Bestsellers

Program, build, and master 60+ projects with the Wireless RP2040 The Raspberry Pi Pico and Pico W are based on the fast, efficient, and low-cost dual-core ARM Cortex M0+ RP2040 microcontroller chip running at up to 133 MHz and sporting 264 KB of SRAM and 2 MB of Flash memory. Besides spacious memory, the Pico and Pico W offer many GPIO pins, and popular peripheral interface modules like ADC, SPI, I²C, UART, PWM, timing modules, a hardware debug interface, and an internal temperature sensor. The Raspberry Pi Pico W additionally includes an on-board Infineon CYW43439 Bluetooth and Wi-Fi chipset. At the time of writing this book, the Bluetooth firmware was not yet available. Wi-Fi is however fully supported at 2.4 GHz using the 802.11b/g/n protocols. This book is an introduction to using the Raspberry Pi Pico W in conjunction with the MicroPython programming language. The Thonny development environment (IDE) is used in all of the 60+ working and tested projects covering the following topics: Installing the MicroPython on Raspberry Pi Pico using a Raspberry Pi or a PC Timer interrupts and external interrupts Analogue-to-digital converter (ADC) projects Using the internal temperature sensor and external sensor chips Using the internal temperature sensor and external temperature sensor chips Datalogging projects PWM, UART, I²C, and SPI projects Using Bluetooth, WiFi, and apps to communicate with smartphones Digital-to-analogue converter (DAC) projects All projects are tried & tested. They can be implemented on both the Raspberry Pi Pico and Raspberry Pi Pico W, although the Wi-Fi-based subjects will run on the Pico W only. Basic programming and electronics experience are required to follow the projects. Brief descriptions, block diagrams, detailed circuit diagrams, and full MicroPython program listings are given for all projects.

Read more less

The Arduino Uno is an open-source microcontroller development system encompassing hardware, an Integrated Development Environment (IDE), and a vast number of libraries. It is supported by an enormous community of programmers, electronic engineers, enthusiasts, and academics. The libraries in particular really smooth Arduino programming and reduce programming time. What’s more, the libraries greatly facilitate testing your programs since most come fully tested and working. The Raspberry Pi 4 can be used in many applications such as audio and video media devices. It also works in industrial controllers, robotics, games, and in many domestic and commercial applications. The Raspberry Pi 4 also offers Wi-Fi and Bluetooth capability which makes it great for remote and Internet-based control and monitoring applications. This book is about using both the Raspberry Pi 4 and the Arduino Uno in PID-based automatic control applications. The book starts with basic theory of the control systems and feedback control. Working and tested projects are given for controlling real-life systems using PID controllers. The open-loop step time response, tuning the PID parameters, and the closed-loop time response of the developed systems are discussed together with the block diagrams, circuit diagrams, PID controller algorithms, and the full program listings for both the Raspberry Pi and the Arduino Uno. The projects given in the book aim to teach the theory and applications of PID controllers and can be modified easily as desired for other applications. The projects given for the Raspberry Pi 4 should work with all other models of Raspberry Pi family. The book covers the following topics: Open-loop and closed-loop control systems Analog and digital sensors Transfer functions and continuous-time systems First-order and second-order system time responses Discrete-time digital systems Continuous-time PID controllers Discrete-time PID controllers ON-OFF temperature control with Raspberry Pi and Arduino Uno PID-based temperature control with Raspberry Pi and Arduino Uno PID-based DC motor control with Raspberry Pi and Arduino Uno PID-based water level control with Raspberry Pi and Arduino Uno PID-based LED-LDR brightness control with Raspberry Pi and Arduino Uno

Read more less

For Raspberry Pi, ESP32 and nRF52 with Python, Arduino and Zephyr Bluetooth Low Energy (BLE) radio chips are ubiquitous from Raspberry Pi to light bulbs. BLE is an elaborate technology with a comprehensive specification, but the basics are quite accessible. A progressive and systematic approach will lead you far in mastering this wireless communication technique, which is essential for working in low power scenarios. In this book, you’ll learn how to: Discover BLE devices in the neighborhood by listening to their advertisements. Create your own BLE devices advertising data. Connect to BLE devices such as heart rate monitors and proximity reporters. Create secure connections to BLE devices with encryption and authentication. Understand BLE service and profile specifications and implement them. Reverse engineer a BLE device with a proprietary implementation and control it with your own software. Make your BLE devices use as little power as possible. This book shows you the ropes of BLE programming with Python and the Bleak library on a Raspberry Pi or PC, with C++ and NimBLE-Arduino on Espressif’s ESP32 development boards, and with C on one of the development boards supported by the Zephyr real-time operating system, such as Nordic Semiconductor's nRF52 boards. Starting with a very little amount of theory, you’ll develop code right from the beginning. After you’ve completed this book, you’ll know enough to create your own BLE applications.

Read more less

Smartscope is the only scope in the world that runs on all major platforms: Windows, macOS, Linux, Android and iOS (with WiFi bridge). Connect the SmartScope to pretty much any device! Even more, you can get mobile with it: take the SmartScope on the road, thanks to the single-cable connectivity. Everything is going to be intuitive: pointing, pinching and swiping finally replaces the clunky interfaces of old scopes. With the SmartScope you develop your digital interfaces using the 100 MS/s logic analyzer. With this tool you can design any signal you want using Excel, then upload it to the built-in Arbitrary Waveform Generator (AWG). At the end capture the voltage at any point of your design at 100 million times each second. The Software for the support of Windows / macOS) / Linux / Android and Export formats (Excel .csv / Matlab .mat) are given. Features Channel sampled at 100 MHz/s each AC/DC coupling on analog inputs 100% silent 64 Mbit RAM: x10000 zoom Arbitrary Waveform Generator 8 digital inputs at 100 MS/s each 4 digital outputs at 100 MS/s each Externally power your scope in case your mobile can't supply the juice. Specifications Oscilloscope Bandwidth 30 MHz (-3 dB point) Sample rate 2x 100 MS/s Channels 2 Max pre-trigger position 16x full scale Max post-trigger position Full scale Max full voltage scale 10 V/div (±35 V input range) Min full voltage scale 20 mV/div Analog input range -35 V, +35 V Max input peak-to-peak 40 V Signal coupling AC / DC Precision 8 bit Input impedance 1 MΩ // 10 pF Waverforms 200 waveforms/s Data delay to host < 10 ms Sample depth Up to 4 million samples per channel External trigger Yes Logic Analyzer Input channels 8 Input impedance 100 kOhm // 2 pF to GND Sample rate 100 MS/s Logic level 1.8 V to 5.0 V Diode protection Bidirectional Input data buffer 4 million samples Waverforms 200 waveforms/s Data delay to host < 10 ms Protocol decoders I²C, SPI, UART, I²S integrated User extensible Wave Generator (Analog Output) Output channels 1 Data rate Up to 50 MS/s Output level 0-3.3 V (Opamp driven) Output buffer Up to 2048 samples Max slew rate 30 ns/V Step 13 mV Wave Generator (Digital Output) Channels 4 Data rate Up to 100 MS/s Output level 3.3 V or 5 V (selectable) Output buffer Up to 2048 samples Diode protected Yes Programmable Logic USB controller MicroChip PIC18F14K50 USB interface PicKit3 or USB flashable FPGA Xilinx Spartan 6 FPGA interface JTAG and USB flashable Size & Weight Dimensions (L x W x D) 4.33 x 2.52 x 0.95' (110 x 64 x 24.2 mm) Weight 158 g Case Aluminium Connectivity Device/Host mini USB included Record waveforms Store Matlab (.mat) or Excel (.csv) files through Dropbox Analog BNC 2 probes included Digital 8x 0.1' pitch, probes (included) Sync USB micro B-B Power USB micro B (optional) Included 1x SmartScope USB Oscilloscope 2x Analog probes 1x Digital probe cable 1x Mini-B USB cable Downloads User manual Software GitHub Wiki

Read more less

Have you ever wondered if the objects in your house are radioactive or not? Does the apple in your fridge give off radiation? Are the books on your shelves giving off gamma rays? You can easily find that out by building your Geiger counter! Thanks to the serial logging function you can track exposure over time, and you can use the mute button to detect radiation without any noise. Detect beta and gamma radiation with your own portable Geiger counter! Features 100% Open Source Hardware! Sensitive to beta and gamma radiation LED and piezo speaker alert you to detected radioactivity. Mute button for silent operation. An ATtiny2313 microcontroller brain that is begging to be hacked! Support for several common Geiger-Müller tubes: SI-3BG, SI-1G, and SBM-20. HV supply can be adjusted from ~300-600 V. Headers for serial (9600 baud), in-circuit programming of the AVR microcontroller, and pulse output (to connect the Geiger counter to other stuff!) Serial data logging! Counts per second (CPS), counts per minute (CPM), and equivalent dose are reported via the serial port once a second. Included Geiger counter kit incl. PCB and all parts 1x SBM-20 Geiger-Müller tube 1x Laser cut acrylic case Downloads Assembly Instructions Case Assembly Instructions Design Files Source Code Usage Instructions

Read more less

This LCR meter offers a wide range of functions at a low price. The LCR meter can measure capacitance, resistance, and inductance among other things. In addition, it can automatically recognize components, for example, it can distinguish between different types of transistors, such as NPN or PNP transistors. The device is particularly easy to operate, as all measurements are started at the touch of a single button. Thanks to the integrated 350 mAh battery, measurements can also be carried out on the road. The battery is charged with the help of a 5 V power supply unit (available separately) and the enclosed micro-USB cable. In addition, this measuring device can decode infrared signals and show them as a waveform on the display. Specifications Measurable components Resistor, capacitor, inductor, thyristor, triac, (double) diode, Z-diode, field effect transistor, bipolar transistor, infrared decoder Display type 3.5" TFT LCD (160 x 128 p) Special features Automatic calibration, One key operation Built-in battery Lithium Ion rechargeable, 3,7 V, 350 mAh Dimensions 90 x 70 x 27 mm Items delivered Tester, Micro-USB cable, Test clip, LED, Capacitor Measuring Ranges Capacitance 25 pF - 100 mF Resistance 0.01 Ω - 50 MΩ Inductance 0.01 mH - 20 H Battery 0.1 V - 4.5 V, 300 mAh Z-diode breakdown voltage 0.01 V - 30 V Z-diode 0.01 V - 4.5 V Diode UF < 4,5 V Thyristor / Triac IGT < 6 mA Downloads Manual

Read more less

Measuring conducted emission is the simplest and most affordable method of getting some indication of whether a design can meet EMI/EMC requirements. A Line Impedance Stabilization Network (LISN) is an indispensable part of an EMC pre-compliance test setup. In cooperation with Würth Elektronik, Elektor has developed a 5 µH, 50 Ω Dual DC LISN that supports voltages up to 60 V and currents up to 10 A. The instrument measures RF interferences on both channels (the power supply) by means of 5-μH blocking inductances. The internal 10-dB attenuation network – one in each channel – contains a 3rd-order high-pass filter with a cutoff frequency of 9 kHz to protect the input of instruments like a spectrum analyzer from potentially harmful DC voltages or low frequencies coming from the EUT (Equipment Under Test). Specifications RF path Channels 2 (with clamping diodes) Bandwidth 150 kHz – 200 MHz Inductance 5 μH || 50 Ω Internal attenuation 10 dB Connectors SMA DC path Max. current < 10 ADC Max. voltage < 60 VDC DC resistance < 2 x 70 mΩ PCB size 94.2 x 57.4 mm Connectors 4-mm banana Hammond enclosure Type 1590N Dimensions 121 x 66 x 40 mm Included 1x 4-layer PCB with all SMT parts fitted 1x pre-drilled enclosure with ready-printed front panel layout 5x gold-plated, insulated, 4-mm banana sockets, rated for 24 A, 1 kV 1x Hammond enclosure 1590N1, Aluminum (Die-Cast Alloy) More Info Project on Elektor Labs: Dual DC LISN for EMC pre-compliance testing Elektor 9-10/2021: EMC Pre-Compliance Test for Your DC-Powered Project (Part 1) Elektor 11-12/2021: EMC Pre-Compliance Test for Your DC-Powered Project (Part 2)

Read more less

The lab power supply JT-RD6006 provides up to 60 V and 6 A in combination with the powerful DC power source. Due to the keypad and a push and rotary encoder, the operation of the power supply unit is very comfortable. In addition, you can easily save and reload up to nine settings using the keypad. The high-resolution 2.4-inch colour display clearly shows all important information. The USB interface and an optional wireless network interface enable the device to be operated via PC or with an app from mobile devices. Moreover, the device has different protection and limit functions like constant voltage operation, constant current operation, overvoltage protection, overcurrent protection and replaceable fuses on the board itself (backside of the power supply). Specifications Input voltage 6-70 V Output voltage 0-60 V Output current 0-6 A Output power 0-360 W Voltage resolution 0.01 V Current resolution 0.001 A Capacity measuring range 0-9999.99 Ah Energy measuring range 0-9999.99 Wh Residual ripple 100 mV(pp) at maximal capacity Display 2.4 inch LCD Dimensions (housing) 172 x 86 x 310 mm Weight (incl. device, power supply and housing) 3 kg Included JT-RD6006 DC Power Supply Power Supply for JT-RD6006 (RD6006-NT) Large aluminium housing for JT-RD6006 (Case02) ESP-12F WiFi Module Downloads Datasheet JT-RD6006 Manual JT-RD6006 PC Software Windows driver Mac driver Linux driver

Read more less

With the availability of free and open source C/C++ compilers today, you might wonder why someone would be interested in assembler language. What is so compelling about the RISC-V Instruction Set Architecture (ISA)? How does RISC-V differ from existing architectures? And most importantly, how do we gain experience with the RISC-V without a major investment? Is there affordable hardware available? The availability of the Espressif ESP32-C3 chip provides a way to get hands-on experience with RISC-V. The open sourced QEMU emulator adds a 64-bit experience in RISC-V under Linux. These are just two ways for the student and enthusiast alike to explore RISC-V in this book. The projects in this book are boiled down to the barest essentials to keep the assembly language concepts clear and simple. In this manner you will have “aha!” moments rather than puzzling about something difficult. The focus in this book is about learning how to write RISC-V assembly language code without getting bogged down. As you work your way through this tutorial, you’ll build up small demonstration programs to be run and tested. Often the result is some simple printed messages to prove a concept. Once you’ve mastered these basic concepts, you will be well equipped to apply assembly language in larger projects.

Read more less

With this microSD (32 GB) with pre-installed Raspberry Pi OS you can start using your Raspberry Pi right away. Just plug it in and get started!

Read more less

Secure, Modular, Open-Source and Self-Sufficient Ever since the Raspberry Pi was introduced, it has been used by enthusiasts to automate their homes. The Raspberry Pi is a powerful computer in a small package, with lots of interfacing options to control various devices. This book shows you how you can automate your home with a Raspberry Pi. You’ll learn how to use various wireless protocols for home automation, such as Bluetooth, 433.92 MHz radio waves, Z-Wave, and Zigbee. Soon you’ll automate your home with Python, Node-RED, and Home Assistant, and you’ll even be able to speak to your home automation system. All this is done securely, with a modular system, completely open-source, without relying on third-party services. You’re in control of your home, and no one else. At the end of this book, you can install and configure your Raspberry Pi as a highly flexible home automation gateway for protocols of your choice, and link various services with MQTT to make it your own system. This DIY (do it yourself) approach is a bit more laborious than just installing an off-the-shelf home automation system, but in the process, you can learn a lot, and in the end, you know exactly what’s running your house and how to tweak it. This is why you were interested in the Raspberry Pi in the first place, right? Turn your Raspberry Pi into a reliable gateway for various home automation protocols. Make your home automation setup reproducible with Docker Compose. Secure all your network communication with TLS. Create a video surveillance system for your home. Automate your home with Python, Node-RED, Home Assistant and AppDaemon. Securely access your home automation dashboard from remote locations. Use fully offline voice commands in your own language. Download the software and view the errata for the book on GitHub.

Read more less

When you experiment with the Raspberry Pi on a regular basis and you connect a variety of external hardware to the GPIO port via the header you may well have caused some damage in the past. The Raspberry Pi Buffer Board is there to prevent this! The board is compatible with Raspberry Pi Zero, 3, 4, 5 and 400. All 26 GPIOs are buffered with bi-directional voltage translators to protect the Raspberry Pi when experimenting with new circuits. The PCB is intended to be inserted in the back of Raspberry Pi< 400. The connector to connect to the Raspberry Pi is a right angled 40-way receptacle (2x20). The PCB is only a fraction wider. A 40-way flat cable with appropriate 2x20 headers can be connected to the buffer output header to experiment for instance with a circuit on a breadboard or PCB. The circuit uses four TXS0108E ICs by Texas Instruments. The PCB can also be put upright on a Raspberry Pi 3 or newer. Downloads Schematics Layout

Read more less

Examine your circuits with high precision and solder even the smallest SMDs and elements without any hassle. Features Multifunctional HDMI Digital Microscope features Full HD, comfortable headroom, improved ergonomy, multiple output signals with different resolutions. Tilt angle of the wide LCD monitor is adjustable. Comes with remote control. Can be used as stand-alone. Specifications Screen size 7 inch (17.8 cm) Image sensor 4 MP Video output UHD 2880x2160 (24fps)FHD 1920x1080 (60fps/30fps)HD 1280x720 (120fps) Video format MP4 Magnification Up to 270 times (27 inch HDMI monitor) Photo resolution Max. 12 MP (4032x3024) Photo format JPG Focus range Min. 5 cm Frame rate Max. 120fps (under 600 Lux Brightness & HDP120) Video interface HDMI Storage microSD card (up to 32 GB) Power source 5 V DC Light source 2 LEDs with the stand Stand size 20 x 12 x 19 cm Included 1x Andonstar AD407 Digital Microscope 1x Metal stand with 2 LEDs 1x Optical bracket 1x UV filter 1x IR remote 1x Switch cable 1x Power adapter 1x HDMI cable 2x Screws 1x Screwdriver 1x User manual Downloads User Manual Model Comparison AD407 AD407 Pro AD409 AD409 Pro-ES Screen size 7 inch (17.8 cm) 7 inch (17.8 cm) 10.1 inch (25.7 cm) 10.1 inch (25.7 cm) Image sensor 4 MP 4 MP 4 MP 4 MP Video output 2160p 2160p 2160p 2160p Interfaces HDMI HDMI USB, HDMI, WiFi USB, HDMI, WiFi Video format MP4 MP4 MP4 MP4 Magnification Up to 270x Up to 270x Up to 300x Up to 300x Photo resolution Max. 4032x3024 Max. 4032x3024 Max. 4032x3024 Max. 4032x3024 Photo format JPG JPG JPG JPG Focus distance Min. 5 cm Min. 5 cm Min. 5 cm Min. 5 cm Frame rate Max. 120f/s Max. 120f/s Max. 120f/s Max. 120f/s Storage microSD card microSD card microSD card microSD card PC support No No Windows Windows Mobile connection No No WiFi + Measurement WiFi + Measurement Power source 5 V DC 5 V DC 5 V DC 5 V DC Light source 2 LEDs with the stand 2 LEDs with the stand 2 LEDs with the stand 2 LEDs with the stand Endoscope No No No Yes Stand size 20 x 12 x 19 cm 20 x 18 x 32 cm 18 x 20 x 30 cm 18 x 20 x 32 cm Weight 1.6 kg 2.1 kg 2.2 kg 2.5 kg Price €259.00€199.00 €289.00€229.00 €399.00€279.00 €449.00€299.00

Read more less

Now save more than €30 with this Starter Kit compared to buying them separately! This Raspberry Pi 5 Ultimate Starter Kit includes everything you need to get started right away with the latest version of the world's most popular mini computer as a development and multimedia device. Kit Contents Raspberry Pi 5 (8 GB RAM)The new Raspberry Pi 5 delivers more performance than ever before. Thanks to the faster CPU, GPU and RAM, Raspberry Pi 5 is up to 3x faster than its already fast predecessor. 64-bit quad-core ARM Cortex-A76 processor (2.4 GHz) VideoCore VII GPU (800 MHz) 8 GB of LPDDR4X RAM (4267 MHz) Raspberry Pi silicon RP1 I/O controller chip Real-time clock On/off button PCIe 2.0 UART connector Fan connector Official 27 W Power Supply for Raspberry Pi 5 (EU, white)The official Raspberry Pi 27 W PD USB-C power supply is designed specifically to power the Raspberry Pi 5. microSD Card pre-installed with Raspberry Pi OS (32 GB)With this microSD (32 GB, Class 10) with pre-installed Raspberry Pi OS you can start using your Raspberry Pi right away. Official Case for Raspberry Pi 5 (white/red)The Raspberry Pi 5 case offers improved thermal features to support the higher peak power consumption of the Raspberry Pi 5. Active Cooler for Raspberry Pi 5The active cooler provides an alternative cooling solution for users who wish to use their Raspberry Pi 5 under sustained heavy load without a case. Official HDMI Cable for Raspberry Pi (white, 1 m)The official Raspberry Pi micro-HDMI to HDMI (A/M) cable (white, 1 m) is designed for the Raspberry Pi. FPC Camera Cable for Raspberry Pi 5 (200 mm)With this cable you can connect your current Raspberry Pi camera products to the Raspberry Pi 5. FPC Display Cable for Raspberry Pi 5 (200 mm)With this cable you can connect your current Raspberry Pi display products to the Raspberry Pi 5. Book: Raspberry Pi 5 Essentials – Program, build, and master over 60 projects with Python This 322-page book (written by the best-selling author Dogan Ibrahim) starts with an introduction to the Raspberry Pi 5 computer and covers the important topics of accessing the computer locally and remotely. Use of the console language commands as well as accessing and using the desktop GUI are described with working examples. The remaining parts of the book cover many Raspberry Pi 5-based hardware projects using components and devices such as LEDs and buzzers, LCDs, Ultrasonic sensors, Temperature and atmospheric pressure sensors, The Sense HAT, Camera modules.

Read more less

3K5 Noteworthy Designs (1975-2023) This USB archive stick contains over 3500 noteworthy circuits from all areas of electronics (audio & video, computers & microcontrollers, radio, hobby & modelling, home & garden, power supplies & batteries, test & measurement) published in Elektor Magazine since 1975. You can use the article search function to find specific content in the full text. The results are always shown as preformatted PDF documents. Adobe Reader may be used to browse articles as well as find individual words and expressions using the program’s integrated Search functions.

Read more less

The Raspberry Pi USB-C power supply is designed specifically to power the latest Raspberry Pi 4 Model B computers. The power supply features a USB-C cable and is available in four different models to suit different international power sockets, and in two colors. Specifications Output Output voltage +5.1 V DC Minimum load current 0 A Nominal load current 3.0 A Maximum power 15.3 W Load regulation ±5 % Line regulation ±2 % Ripple & noise 120 mVp-p Rise time 100 ms maximum to regulation limits for DC outputs Turn-on delay 3000 ms maximum at nominal input AC voltage and full load Protection Short circuit protectionOvercurrent protectionOver temperature protection Efficiency 81% minimum (output current from 100%, 75%, 50%, 25%)72% minimum at 10% load Output cable 1.5 m 18AWG Output connector USB Type-C Input Voltage range 100 - 240 Vac (rated)96 - 264 Vac (operating) Frequency 50 / 60 Hz ± 3 Hz Current 0.5 A maximum Power consumption (no load) 0.075 W maximum Inrush current No damage shall occur, and the input fuse shall not blow Operating ambient temperature 0 - 40 °C

Read more less

Elektor GREEN and GOLD members can download their digital edition here. Not a member yet? Click here. Arduino Portenta Machine Control and Arduino Portenta H7A CAN-to-MQTT Gateway Demo Project Unboxing the Elektor LCR Meter with David Cuartielles MicroPython Enters the World of Arduino Connected Projects, SimplifiedDive Into the Arduino Cloud Introduction to TinyMLBig Is Not Always Better Arduino K-Way Writing Arduino Sketches Just Got Better Get to Know Arduino Getting Started with the Portenta X8Manage Software Securely with Containers Build, Deploy, and Maintain Scalable, Secure ApplicationsWith Arduino Portenta X8 Featuring NXP’s i.MX 8M Mini Applications Processor and EdgeLock SE050 Secure Element How I Automated My HomeArduino CEO Fabio Violante Shares Solutions Altair 8800 SimulatorHardware Simulation of a Vintage Computer MS-DOS on the Portenta H7Run Old-School Software on Contemporary Hardware Grow It YourselfA Digitally Controlled, Single-Box Solution for Indoor Farming Save the Planet With Home Automation?MQTT on the Arduino Nano RP2040 Connect Go Professional with Arduino Pro Smart Ovens Take a Leap Into the Future Tagvance Builds Safer Construction Sites with Arduino Santagostino Breathes Easywith Remote Monitoring that Leverages AI for Predictive Maintenance Security Flies High with RIoT Secure’s MKR-Based Solution Open-Source Brings a New Generation of Water Management to the World SensoDetect Deforestation with Sound Analysis The Mozzi Arduino Library for Sound SynthesisInsights from Tim Barrass The New Portenta X8 (with Linux!) and Max Carrier Redefine What’s Possible How Using Arduino Helps Students Build Future Skills Must-Haves for Your Electronics Workspace The Importance of Robotics in Education Dependable IoT Based Upon LoRa Unboxing the Portenta Machine Control 8-Bit Gaming with Arduboy Reducing Water Usage at Horseback Riding TracksAn IoT to Constantly Monitor Soil Humidity and Temperature Levels The Panettone ProjectA sourdough starter management and maintenance system Supporting Arduino Resellers Space Invaders with Arduino Art with ArduinoInspiring Insights from Artists and Designers Arduino Product Catalogue The Future of Arduino

Read more less

The Andonstar AD409 Pro-ES is a digital microscope with an extra-high stand that is also equipped with an endoscope. The microscope allows clear observation of the sides of components, the inside of pipes, etc., enabling 360° observation without dead angles. The microscope also has a remote control that allows you to easily switch between the following image modes: two-lens, microscope and endoscope. Features High-quality metal lens and focusing barrel Professional HDMI digital microscope supports multiple output methods Soldering Microscope with Pro Metal Stand Unique UV filter design 8 Levels adjustable LED Lights Convenient Wireless Remote Control Professional Measurement Software Specifications Screen size 10.1 inch (25.7 cm) Image sensor 4 MP Video output UHD 2880x2160 (24fps)FHD 1920x1080 (60fps/30fps)HD 1280x720 (120fps) Video format MP4 Magnification Up to 300 times (27 inch HDMI monitor) Photo resolution Max. 12 MP (4032x3024) Photo format JPG Focus range Min. 5 cm Frame Rate Max. 120fps Video interface HDMI Storage microSD card (up to 64 GB) PC support Windows, PC software with measurement Mobile phone, tablet terminal support Support WiFi connection and measurement Power source 5 V DC Light source 2 LEDs with the stand Endoscope Yes Stand size 18 x 20 x 32 cm Included 1x Andonstar AD409 Pro-ES Digital Microscope 1x Endoscope 1x Metal stand with 2 LEDs 1x UV filter (already assembled in the lens) 1x IR remote 1x Switch cable 1x Power adapter 1x Wrench 2x Metal clips 1x HDMI cable 1x User manual Downloads User Manual Software Model Comparison   AD407 AD407 Pro AD409 AD409 Pro-ES Screen size 7 inch (17.8 cm) 7 inch (17.8 cm) 10.1 inch (25.7 cm) 10.1 inch (25.7 cm) Image sensor 4 MP 4 MP 4 MP 4 MP Video output 2160p 2160p 2160p 2160p Interfaces HDMI HDMI USB, HDMI, WiFi USB, HDMI, WiFi Video format MP4 MP4 MP4 MP4 Magnification Up to 270x Up to 270x Up to 300x Up to 300x Photo resolution Max. 4032x3024 Max. 4032x3024 Max. 4032x3024 Max. 4032x3024 Photo format JPG JPG JPG JPG Focus distance Min. 5 cm Min. 5 cm Min. 5 cm Min. 5 cm Frame rate Max. 120f/s Max. 120f/s Max. 120f/s Max. 120f/s Storage microSD card microSD card microSD card microSD card PC support No No Windows Windows Mobile connection No No WiFi + Measurement WiFi + Measurement Power source 5 V DC 5 V DC 5 V DC 5 V DC Light source 2 LEDs with the stand 2 LEDs with the stand 2 LEDs with the stand 2 LEDs with the stand Endoscope No No No Yes Stand size 20 x 12 x 19 cm 20 x 18 x 32 cm 18 x 20 x 30 cm 18 x 20 x 32 cm Weight 1.6 kg 2.1 kg 2.2 kg 2.5 kg Price €259.00€199.00 €289.00€229.00 €399.00€279.00 €449.00€299.00

Read more less

Designed for overclockers and other power users, this fan keeps your Raspberry Pi 4 at a comfortable operating temperature even under heavy load. The temperature-controlled fan delivers up to 1.4 CFM of airflow over the processor, memory, and power management IC. The bundled heatsink (18 x 8 x 10 mm) with self-adhesive pad improves heat transfer from the processor. The Raspberry Pi 4 Case Fan works with Raspberry Pi 4 and the official Raspberry Pi 4 case.

Read more less

Jan Didden created Linear Audio in 2010 and published 14 Volumes between 2010 and 2017. Each 200-page Volume contains on average 10 articles by expert authors in the field of audio, acoustics, and instrumentation. Whether you are interested in tube amplifiers, solid-state equipment, loudspeaker design, capacitor and resistor distortion or distortion measurement, you are certain to find helpful advice and interesting discussions. From beginner to advanced level, for the audio professional or the serious hobbyist, this ExpertCollection will advance your understanding and offer new perspectives on common issues. Bonus material included with this collection is a 5-part YouTube series on negative feedback as applied to audio by renowned author Jan Didden, and nine additional landmark audio articles and presentations. If you are seriously interested in audio, acoustics, and instrumentation, you can’t afford to miss this! The published material is indexed and fully searchable and will provide an almost limitless resource for many years to come. You can read about Linear Audio’s authors, and the Table of Contents of each Volume, at linearaudio.net.

Read more less

The Cytron Maker Pi Pico (with Raspberry Pi Pico RP2040 soldered on Board) incorporates the most wanted features for your Raspberry Pi Pico and gives you access to all GPIO pins on two 20 ways pin-headers, with clear labels. Each GPIO is coupled with an LED indicator for convenient code testing and troubleshooting. The bottom layer of this board even comes with a comprehensive pinout diagram showing the function of each pin. Features Work out-of-the-box. No soldering! Access to all Raspberry Pi Pico's pins on two 20 ways pin headers LED indicators on all GPIO pins 3x programmable push button (GP20-22) 1x RGB LED – NeoPixel (GP28) 1x Piezo buzzer (GP18) 1x 3.5 mm stereo audio jack (GP18-19) 1x Micro SD card slot (GP10-15) 1x ESP-01 socket (GP16-17) 6x Grove port Specifications Core 32-bit ARM Cortex-M0+ CPU Clock 48 MHz, up to 133 MHz Flash Size 2 MByte Q-SPI Flash Programming Language MicroPython, C++ Board Power Input 5 VDC via MicroUSB Alternative Board Power 2-5 VDC via VSYS Pin (Pin 39) MCU Voltage 3.3 VDC GPIO Voltage 3.3 VDC USB Interface USB 1.1 Device Host Program Loading MicroUSB, USB Mass Storage GPIO 26x Input/Output ADC 3x 12-bit 500 ksps Temperature Sensor Built-in, 12-bit UART 2x UART I²C 2x I²C SPI 2x SPI PWM 16x PWM Timer 1x Timer with 4 x Alarm Real-Time Counter 1x Real Time Counter PIO 2x Programmable High-Speed I/O On-Board LED 1x Programmable LED On-Board Button 1x BOOTSEL Button

Read more less

In Get Started with MicroPython on Raspberry Pi Pico, you will learn how to use the beginner-friendly language MicroPython to write programs and connect up hardware to make your Raspberry Pi Pico interact with the world around it. Using these skills, you can create your own electro‑mechanical projects, whether for fun or to make your life easier.Microcontrollers, like RP2040 at the heart of Raspberry Pi Pico, are computers stripped back to their bare essentials. You don’t use monitors or keyboards, but program them to take their input from, and send their output to the input/output pins.Using these programmable connections, you can light lights, make noises, send text to screens, and much more. In Get Started with MicroPython on Raspberry Pi Pico, you will learn how to use the beginner-friendly language MicroPython to write programs and connect up hardware to make your Raspberry Pi Pico interact with the world around it. Using these skills, you can create your own electro‑mechanical projects, whether for fun or to make your life easier.The robotic future is here – you just have to build it yourself. We’ll show you how.About the authorsGareth Halfacree is a freelance technology journalist, writer, and former system administrator in the education sector. With a passion for open-source software and hardware, he was an early adopter of the Raspberry Pi platform and has written several publications on its capabilities and flexibility.Ben Everard is a geek who has stumbled into a career that lets him play with new hardware. As the editor of HackSpace magazine, he spends more time than he really should experimenting with the latest (and not-solatest) DIY tech.

Read more less

The official Raspberry Pi micro HDMI to HDMI (A/M) cable (black, 1 m) designed for the Raspberry Pi 4 and 5. 19-pin HDMI Type D(M) to 19-pin HDMI Type A(M) 1 m cable (black) Nickel-plated plugs 4Kp60 compliant RoHS compliant 3 Mohm 300 VDC insulation, withstands 300 VDC for 0.1s

Read more less

ANT500 from Great Scott Gadgets is a telescopic antenna designed for operation from 75 MHz to 1 GHz. Its total length is configurable from 20 cm to 88 cm. ANT500 is constructed of stainless steel and features an SMA male connector, rotating shaft, and adjustable elbow. ANT500 is a 50 ohm general purpose antenna. It is the perfect first antenna for use with HackRF One.

Read more less