Lo-Fi (ESP32 + LoRa combination) is the perfect solution for anyone looking to establish long-range wireless communication in a variety of applications with WiFi capabilities. LoRa offers exceptional range and easy connectivity, it allows you to seamlessly communicate with devices up to 5 km away.
Devices provide an efficient and trustworthy choice for long-range wireless communication in addition to WiFi access to link internet clouds best suited for Internet of Things applications, enabling connectivity in remote and challenging settings.
Features
Device powered by powerful ESP32 S3 WROOM-1 which is having Xtensa dual-core 32-bit LX7 microprocessor, up to 240 MHz
Inbuilt Wi-Fi & Bluetooth LE for wireless connectivity
Type C interface for Programming/Power
1.14" TFT display for visual interactions
GPIO breakouts for interfacing additional peripherals
Breadboard compatible for easy DIY breadboarding projects
2 separate user programmable buttons along with Reset and Boot buttons
3.7 V Lithium Battery connector for a portable use case with an onboard charging option
Use new generation LoRa spread spectrum to ensure stable communication
For LoRa, faster speed and a longer data transmission range of up to 5 km
Applications
Internet of Things (IoT)
Smart Home Automation
Agricultural Automation
Emergency Services
Environmental Monitoring
Industrial Automation
Specifications
Microcontroller: ESP32 S3 WROOM-1
Wireless Interface: WiFi, BLE, LoRa
Protocol: 802.11b/g/n, Bluetooth 5.0
Memory Size: 16 MB Flash, 384 kB ROM, 8 MB SRAM
Supply Voltage: 5 V
Operating Voltage: 3.3 V
Display Size: 1.14”
Display Type: TFT
Display resolution: 135 x 240 pixels
Display driver: ST7789V
Display Appearance: RGB
Display color: 4k/65k/252k
Display Luminance: 400 Cd/m²
Operating Temperature: -20 to 70°C
Storage Temperature: -30 to 80°C
LoRa Module Specs:
Carrier Frequency (License Free ISM): 868 MHz
Chip: Based on SX1262 RF chip
Range: 5Km
Transmitting Power: 22 dBm
Receiving Sensitivity: -147 dbm
Data Rate: Up to 62.5 kbps
Communication Port: UART serial
Downloads
Getting started guide
Hardware design files
Included
1x Lo-Fi Board
1x Antenna (868 MHz)
PC USB Logic Analyzers with Arduino, Raspberry Pi, and Co.
Step-by-step instructions guide you through the analysis of modern protocols such as I²C, SPI, UART, RS-232, NeoPixel, WS28xx, HD44780 and 1-Wire protocols. With the help of numerous experimental circuits based on the Raspberry Pi Pico, Arduino Uno and the Bus Pirate, you will learn the practical application of popular USB logic analyzers.
All the experimental circuits presented in this book have been fully tested and are fully functional. The necessary program listings are included – no special programming or electronics knowledge is required for these circuits. The programming languages used are MicroPython and C along with the development environments Thonny and Arduino IDE.
This book uses several models of flexible and widely available USB logic analyzers and shows the strengths and weaknesses of each price range.
You will learn about the criteria that matter for your work and be able to find the right device for you.
Whether Arduino, Raspberry Pi or Raspberry Pi Pico, the example circuits shown allow you to get started quickly with protocol analysis and can also serve as a basis for your own experiments.
After reading this book, you will be familiar with all the important terms and contexts, conduct your own experiments, analyze protocols independently, culminating in a comprehensive knowledge set of digital signals and protocols.
PC USB Logic Analyzers with Arduino, Raspberry Pi, and Co.
Step-by-step instructions guide you through the analysis of modern protocols such as I²C, SPI, UART, RS-232, NeoPixel, WS28xx, HD44780 and 1-Wire protocols. With the help of numerous experimental circuits based on the Raspberry Pi Pico, Arduino Uno and the Bus Pirate, you will learn the practical application of popular USB logic analyzers.
All the experimental circuits presented in this book have been fully tested and are fully functional. The necessary program listings are included – no special programming or electronics knowledge is required for these circuits. The programming languages used are MicroPython and C along with the development environments Thonny and Arduino IDE.
This book uses several models of flexible and widely available USB logic analyzers and shows the strengths and weaknesses of each price range.
You will learn about the criteria that matter for your work and be able to find the right device for you.
Whether Arduino, Raspberry Pi or Raspberry Pi Pico, the example circuits shown allow you to get started quickly with protocol analysis and can also serve as a basis for your own experiments.
After reading this book, you will be familiar with all the important terms and contexts, conduct your own experiments, analyze protocols independently, culminating in a comprehensive knowledge set of digital signals and protocols.
Double Backlit User Interface: The dual backlit button is just like the single backlit button, but twice the fun! Use this component when you need to operate something up and down, or right to left. Using cut-out vinyl, you can create icons and stickers on fabric that show your users button functionality.
Features
Component: 4.6 x 6.3"
Individual Button Size: 1" radius circle
Press Durability: Up to 10,000 presses under 5lbf
LED Voltage: 5 V
Like the mini pressure sensor, but bigger! Our 3x3 mega pressure matrix has 6 leads, allowing you to map which point you are at in the 3x3 matrix and get a pressure mapping over a surface. Each area has an analog readout that varies depending on the weight of the item on the pressure sensor. Generally, sensor values will read from 500 Kohms to 100 ohms depending on the force put onto the sensor.
Features
Component: 5 x 6.5"
Sensing Area 3.0" Square
Thickness: Approx 20 mils
The single backlit button is a simple mechanical switch that comes with an LED inside. When you press the button, the circuit is completed, driving your pin high or low. Use the embedded LED to make a glowing power icon, logo , or whatever suits your fancy.
Features
Press durability: Up to 10,000 times pressing under 5lbf (22.24 N)
LED Voltage: 5 V
Component: 2" x 3" Individual (5,08 x 7,62 cm)
Button Size: 1" radius circle (2,54 cm)
This LR1302 module is a new generation LoRaWAN gateway module. It adopts a mini-PCIe form factor design and features low power consumption and high performance. Based on Semtech Network's SX1302 LoRaWA baseband chip, the LR1302 gateway module provides gateway products with potential capacity for long-distance wireless transmission. Compared to the previous SX1301 and SX1308 LoRa chips, the SX1302 chip has higher sensitivity, lower power consumption and lower operating temperature. It supports 8-channel data transmission, improves communication efficiency and capacity, and supports the connection and data transmission of more devices. It reserves two antenna interfaces, one for transmitting and receiving LoRa signals and one U.FL (IPEX) interface for independent transmission. It also has a metal shield to protect against external interference and provide a reliable communications environment. Designed specifically for the IoT space, the LR1302 is suitable for a variety of IoT applications. Whether used in smart cities, agriculture, industrial automation or other fields, the LR1302 module can provide reliable connections and efficient data transmission. Features Uses Semtech SX1302 baseband LoRa chip with extremely low power consumptionand excellent performance Mini-PCIe form factor and compact design make it easier to integrate into various gateway devices, suitable for space-constrained application scenarios, and provide flexible deployment options Support 8-channeldata transmission, provide more efficient communication efficiency and capacity Ultra-low operating temperatureeliminates the need for additional cooling and reduces the size of the LoRaWAN gateway Uses SX1250 TX/RX front end with sensitivity down to -139 dBm@SF12; TX power up to 26 dBm @3.3 V Specifications Frequency 863-870 MHz (EU868) Chipset Semtech SX1302 Chip Sensitivity -125 dBm @125K/SF7-139 dBm @125K/SF12 TX Power 26 dBm (with 3.3 V power supply) Bandwidth 125/250/500 kHz Channel 8 channel LEDs Power: GreenConfig: RedTX: GreenRX: Blue Form Factor Mini PCIe, 52-pin Golden Finger Power Consumption (SPI version) Standby: 7.5 mATX maximum power: 415 mARX: 40 mA Power Consumption (USB version) Standby: 20 mATX maximum power: 425 mARX: 53 mA LBT(Listen Before Talk) Support Antenna Connector U.FL Operating Temperature -40 to 85°C Dimensions (W x L) 30 x 50.95 mm Note LR1302 LoRaWAN Gateway Module is not included. Downloads Wiki SX1302 Datasheet Schematic Diagram
An Introduction to Circuit Simulation
LTspice, developed by Analog Devices, is a powerful, fast, and free SPICE simulator, schematic capture, and waveform viewer with a large database of components supported by SPICE models from all over the world. Drawing a schematic in LTspice is easy and fast. Thanks to its powerful graphing features, you can visualize the voltages and currents in a circuit, and also the power consumption of its components and much more.
This book is about learning to design and simulate electronic circuits using LTspice. Among others, the following topics are treated:
DC and AC circuits
Signal diodes and Zener diodes
Transistor circuits including oscillators
Thyristor/SCR, diac, and triac circuits
Operational amplifier circuits including oscillators
The 555 timer IC
Filters
Voltage regulators
Optocouplers
Waveform generation
Digital logic simulation including the 74HC family
SPICE modeling LTspice is a powerful electronic circuit simulation tool with many features and possibilities. Covering them all in detail is not possible in a book of this size. Therefore, this book presents the most common topics like DC and AC circuit analysis, parameter sweeping, transfer functions, oscillators, graphing, etc. Although this book is an introduction to LTspice, it covers most topics of interest to people engaged in electronic circuit simulation.
The book is aimed at electronic/electrical engineers, students, teachers, and hobbyists. Many tested simulation examples are given in the book. Readers do not need to have any computer programming skills, but it will help if they are familiar with basic electronic circuit design and operation principles. Readers who want to dive deeper can find many detailed tutorials, articles, videos, design files, and SPICE circuit models on the Internet.
All the simulation examples used in the book are available as files at the webpage of this book. Readers can use these example circuits for learning or modify them for their own applications.
An Introduction to Circuit Simulation
LTspice, developed by Analog Devices, is a powerful, fast, and free SPICE simulator, schematic capture, and waveform viewer with a large database of components supported by SPICE models from all over the world. Drawing a schematic in LTspice is easy and fast. Thanks to its powerful graphing features, you can visualize the voltages and currents in a circuit, and also the power consumption of its components and much more.
This book is about learning to design and simulate electronic circuits using LTspice. Among others, the following topics are treated:
DC and AC circuits
Signal diodes and Zener diodes
Transistor circuits including oscillators
Thyristor/SCR, diac, and triac circuits
Operational amplifier circuits including oscillators
The 555 timer IC
Filters
Voltage regulators
Optocouplers
Waveform generation
Digital logic simulation including the 74HC family
SPICE modeling LTspice is a powerful electronic circuit simulation tool with many features and possibilities. Covering them all in detail is not possible in a book of this size. Therefore, this book presents the most common topics like DC and AC circuit analysis, parameter sweeping, transfer functions, oscillators, graphing, etc. Although this book is an introduction to LTspice, it covers most topics of interest to people engaged in electronic circuit simulation.
The book is aimed at electronic/electrical engineers, students, teachers, and hobbyists. Many tested simulation examples are given in the book. Readers do not need to have any computer programming skills, but it will help if they are familiar with basic electronic circuit design and operation principles. Readers who want to dive deeper can find many detailed tutorials, articles, videos, design files, and SPICE circuit models on the Internet.
All the simulation examples used in the book are available as files at the webpage of this book. Readers can use these example circuits for learning or modify them for their own applications.
LuckFox Pico Mini is a compact Linux micro development board based on the Rockchip RV1103 chip, providing a simple and efficient development platform for developers. It supports a variety of interfaces, including MIPI CSI, GPIO, UART, SPI, I²C, USB, etc., which is convenient for quick development and debugging.
Features
Single-core ARM Cortex-A7 32-bit core with integrated NEON and FPU
Built-in Rockchip self-developed 4th generation NPU, features high computing precision and supports int, int8, and int16 hybrid quantization. The computing power of int8 is 0.5 TOPS, and up to 1.0 TOPS with int4
Built-in self-developed third-generation ISP3.2, supports 4-Megapixel, with multiple image enhancement and correction algorithms such as HDR, WDR, multi-level noise reduction, etc.
Features powerful encoding performance, supports intelligent encoding mode and adaptive stream saving according to the scene, saves more than 50% bit rate of the conventional CBR mode so that the images from camera are high-definition with smaller size, double the storage space
Built-in RISC-V MCU supports low power consumption and fast start-up, supports 250 ms fast picture capture and loading Al model library at the same time to realize face recognition "in one second"
Built-in 16-bit DRAM DDR2, which is capable of sustaining demanding memory bandwidths
Integrated with built-in POR, audio codec and MAC PHY
Specifications
Processor
ARM Cortex-A7, single-core 32-bit CPU, 1.2 GHz, with NEON and FPU
NPU
Rockchip 4th-gen NPU, supports int4, int8, int16; up to 1.0 TOPS (int4)
ISP
Third-gen ISP3.2, up to 4 MP input at 30fps, HDR, WDR, noise reduction
RAM
64 MB DDR2
Storage
128 MB SPI NAND Flash
USB
USB 2.0 Host/Device via Type-C
Camera Interface
MIPI CSI 2-lane
GPIO Pins
17 GPIO pins
Power Consumption
Low power, RISC-V MCU for fast startup
Dimensions
28 x 21 mm
Downloads
Wiki
The LuckFox Pico Ultra is a compact single-board computer (SBC) powered by the Rockchip RV1106G3 chipset, designed for AI processing, multimedia, and low-power embedded applications.
It comes equipped with a built-in 1 TOPS NPU, making it ideal for edge AI workloads. With 256 MB RAM, 8 GB onboard eMMC storage, integrated WiFi, and support for the LuckFox PoE module, the board delivers both performance and versatility across a wide range of use cases.
Running Linux, the LuckFox Pico Ultra supports a variety of interfaces – including MIPI CSI, RGB LCD, GPIO, UART, SPI, I²C, and USB – providing a simple and efficient development platform for applications in smart home, industrial control, and IoT.
Specifications
Chip
Rockchip RV1106G3
Processor
Cortex-A7 1.2 GHz
Neural Network Processor (NPU)
1 TOPS, supports int4, int8, int16
Image Processor (ISP)
Max input 5M @30fps
Memory
256 MB DDR3L
WiFi + Bluetooth
2.4GHz WiFi-6 Bluetooth 5.2/BLE
Camera Interface
MIPI CSI 2-lane
DPI Interface
RGB666
PoE Interface
IEEE 802.3af PoE
Speaker interface
MX1.25 mm
USB
USB 2.0 Host/Device
GPIO
30 GPIO pins
Ethernet
10/100M Ethernet controller and embedded PHY
Default Storage Medium
eMMC (8 GB)
Included
1x LuckFox Pico Ultra W
1x LuckFox PoE module
1x IPX 2.4G 2 db antenna
1x USB-A to USB-C cable
1x Screws pack
Downloads
Wiki
The M12 Mount Lens (12 MP, 8 mm) is ideal for use with the Raspberry Pi HQ Camera Module, offering sharp and detailed imaging for a wide range of applications.
The M12 Mount Lens (5 MP, 25 mm) is ideal for use with the Raspberry Pi HQ Camera Module, offering sharp and detailed imaging for a wide range of applications.
The M12 mount lens (12 MP, 2.7 mm) is ideal for use with the Raspberry Pi HQ Camera Module, offering sharp and detailed imaging for a wide range of applications.
ATOM U is a compact low-power consumption speech recognition IoT development kit. It adopts an ESP32 chipset, equipped with 2 low-power Xtensa 32-bit LX6 microprocessors with the main frequency of up to 240 MHz. Built-in USB-A interface, IR emitter, programmable RGB LED. Plug-and-play, easy to upload and download programs. Integrated Wi-Fi and digital microphone SPM1423 (I2S) for the clear sound record. suitable for HMI, Speech-to-Text (STT). Low-code development ATOM U supports UIFlow graphical programming platform, scripting-free, cloud push; Fully compatible with Arduino, MicroPython, ESP32-IDF, and other mainstream development platforms, to quickly build various applications. High integration ATOM U contains a USB-A port for programming/power supply, IR emitter, programmable RGB LED x1, button x1; Finely tuned RF circuit, providing stable and reliable wireless communication. Strong expandability ATOM U is easy access to M5Stack's hardware and software system. Features ESP32-PICO-D4 (2.4GHz Wi-Fi dual mode) Integrated programmable RGB LED and button Compact design Built-in IR emitter Expandable pinout and GROVE port Development platform: UIFlow MicroPython Arduino Specifications ESP32-PICO-D4 240MHz dual core, 600 DMIPS, 520KB SRAM, 2.4G Wi-Fi Microphone SPM1423 Microphone sensitivity 94 dB SPL@1 KHz Typical value: -22 dBFS Microphone signal-to-noise ratio 94 dB SPL@1 KHz, A-weighted Typical value: 61.4 dB Standby working current 40.4 mA Support input sound frequency 100 Hz ~ 10 KHz Support PDM clock frequency 1.0 ~ 3.25 MHz Weight 8.4 g Product size 52 x 20 x 10 mm Downloads Documentation
The M5Stack Core Ink Development Kit is a new E-Ink display that uses an ESP32-Pico-D4 to take advantage of the benefits of the E-Ink technology.
E-Ink displays are easier on the eyes, have extremely low power consumption and can retain an image even after they have run out of power.
Features
ESP32 Standard wireless functions WiFi, Bluetooth
Internal 4M Flash
Low Power Display
180-degree viewing angle
Expansion ports
Built-in Magnet
Internal Battery
Multi-function button
Status LED
Buzzer
Deep Sleep functionality
Applications
IoT Terminal
E-Book
Industrial Control Panel
Electronic Tag
Included
1x CoreInk
1x LiPo 390 mAh
1x Type-C USB(20cm)
Please note: avoid long-time high-frequency refresh when using it. The recommended refresh interval is (15s/time). Do not expose to ultraviolet rays for a long time, otherwise, it may cause irreversible damage to the ink screen.
OV7740 is a AI Camera powered by Kendryte K210, an edge computing system-on-chip(SoC) with a dual-core 64bit RISC-V CPU and state-of-art neural network processor.
Features
Dual-Core 64-bit RISC-V RV64IMAFDC (RV64GC) CPU / 400Mhz(Normal)
Dual Independent Double Precision FPU
8MiB 64bit width On-Chip SRAM
Neural Network Processor(KPU) / 0.8Tops
Field-Programmable IO Array (FPIOA)
AES, SHA256 Accelerator
Direct Memory Access Controller (DMAC)
Micropython Support
Firmware encryption support
On-board Hardware:
Flash: 16M Camera :OV7740
2x Buttons
Status Indicator LED
External storage: TF card/Micro SD
Interface: HY2.0/compatible GROVE
Applications
Face recognition/detection
Object detection/classification
Obtain the size and coordinates of the target in real-time
Obtain the type of detected target in real-time
Shape recognition Video recorder
Included
1x UNIT-V(include 20cm 4P cable and USB-C cable)
The M5Stack Watering Unit integrates water pump and measuring plates for soil moisture detection and pump water control. It can be used for intelligent plant breeding scenarios and can easily achieve humidity detection and Irrigation control. The measurement electrode plate uses the capacitive design, which can effectively avoid the corrosion problem of the electrode plate in actual use compared with the resistive electrode plate.
Features
Capacitive measuring plate (corrosion resistant)
Integrated 5 W power water pump
LEGO compatible holes
Applications
Plant cultivation
Soil moisture detection
Smart irrigation
Included
1x Watering Unit
2x Suction pipe
1x HY2.0-4P cable
Pump power
5 W
Weight
78 g
Dimensions
192.5 x 24 x 33 mm
M5Stamp Fly is a programmable open-source quadcopter, featuring the StampS3 as the main controller. It integrates a BMI270 6-axis gyroscope and a BMM150 3-axis magnetometer for attitude and direction detection. The BMP280 barometric pressure sensor and two VL53L3 distance sensors enable precise altitude hold and obstacle avoidance. The PMW3901MB-TXQT optical flow sensor provides displacement detection.
The kit includes a buzzer, a reset button, and WS2812 RGB LEDs for interaction and status indication. It is equipped with a 300 mAh high-voltage battery and four high-speed coreless motors. The PCB features an INA3221AIRGVR for real-time current/voltage monitoring and has two Grove connectors for additional sensors and peripherals.
Preloaded with debugging firmware, the Stamp Fly can be controlled using an Atom Joystick via the ESP-NOW protocol. Users can choose between automatic and manual modes, allowing for easy implementation of functions like precise hovering and flips. The firmware source code is open-source, making the product suitable for education, research, and various drone development projects.
Applications
Education
Research
Drone development
DIY projects
Features
M5StampS3 as the main controller
BMP280 for barometric pressure detection
VL53L3 distance sensors for altitude hold and obstacle avoidance
6-axis attitude sensor
3-axis magnetometer for direction detection
Optical flow detection for hovering and displacement detection
Buzzer
300 mAh high-voltage battery
Current and voltage detection
Grove connector expansion
Specifications
M5StampS3
ESP32-S3@Xtensa LX7, 8 MB Flash, WiFi, OTG\CDC support
Motor
716-17600kv
Distance Sensor
VL53L3CXV0DH/1 (0x52) @ max 3 m
Optical Flow Sensor
PMW3901MB-TXQT
Barometric Sensor
BMP280 (0x76) @ 300-1100hPa
3-axis Magnetometer
BMM150 (0x10)
6-axis IMU Sensor
BMI270
Grove
I²C+UART
Battery
300mAh 1S high-voltage lithium battery
Current/Voltage Detection
INA3221AIRGVR (0x40)
Buzzer
Built-in Passive Buzzer @ 5020
Operating temperature
0-40°C
Dimensions
81.5 x 81.5 x 31 mm
Weight
36.8 g
Included
1x Stamp Fly
1x 300 mAh high-voltage Lithium battery
Downloads
Documentation
Most people are increasingly confronted with the applications of Artificial Intelligence (AI). Music or video ratings, navigation systems, shopping advice, etc. are based on methods that can be attributed to this field.
The term Artificial Intelligence was coined in 1956 at an international conference known as the Dartmouth Summer Research Project. One basic approach was to model the functioning of the human brain and to construct advanced computer systems based on this. Soon it should be clear how the human mind works. Transferring it to a machine was considered only a small step. This notion proved to be a bit too optimistic. Nevertheless, the progress of modern AI, or rather its subspecialty called Machine Learning (ML), can no longer be denied.
In this book, several different systems will be used to get to know the methods of machine learning in more detail. In addition to the PC, both the Raspberry Pi and the Maixduino will demonstrate their capabilities in the individual projects. In addition to applications such as object and facial recognition, practical systems such as bottle detectors, person counters, or a “talking eye” will also be created.
The latter is capable of acoustically describing objects or faces that are detected automatically. For example, if a vehicle is in the field of view of the connected camera, the information 'I see a car!' is output via electronically generated speech. Such devices are highly interesting examples of how, for example, blind or severely visually impaired people can also benefit from AI systems.
This is a set of five magnetic, telescopic whip antennas – with 100 MHz to 1 GHz tuning range – that can be used with KrakenSDR for direction finding. The magnets are strong and will be secure on the roof of a moving car. It includes a set of five two-meter, LMR100-equivalent coax cables that have been length matched for better performance.
Learn how to use the ESP32 Microcontroller and MicroPython programming in your future projects!
The project book, written by well-known Elektor author Dogan Ibrahim, holds many software- and hardware-based projects especially developed for the MakePython ESP32 Development Kit. The kit comes with several LEDs, sensors, and actuators. The kit will help you acquire the basic knowledge to create IoT projects.
The book’s fully evaluated projects feature all the supplied components. Each project includes a block diagram, a circuit diagram, a full program listing, and a complete program description.
Included in the kit
1x MakePython ESP32 development board with color LCD
1x Ultrasonic ranging module
1x Temperature and humidity sensor
1x Buzzer module
1x DS18B20 module
1x Infrared module
1x Potentiometer
1x WS2812 module
1x Sound sensor
1x Vibration sensor
1x Photosensitive resistance module
1x Pulse sensor
1x Servo motor
1x USB cable
2x Button
2x Breadboard
45x Jumper wire
10x Resistor 330R
10x LED (Red)
10x LED (Green)
1x Project book (206 pages)
46 Projects in the Book
LED Projects
Blinking LED
Flashing SOS
Blinking LED – using a timer
Alternately flashing LEDs
Button control
Changing the LED flashing rate using pushbutton interrupts
Chasing-LEDs
Binary-counting LEDs
Christmas lights (random-flashing 8 LEDs)
Electronic dice
Lucky day of the week
Pulsewidth Modulation (PWM) Projects
Generate a 1000-Hz PWM waveform with 50% duty cycle
LED brightness control
Measuring the frequency and duty cycle of a PWM waveform
Melody maker
Simple electronic organ
Servo motor control
Servo motor DS18B20 thermometer
Analog To Digital Converter (ADC) Projects
Voltmeter
Plotting the analog input voltage
ESP32 internal temperature sensor
Ohmmeter
Photosensitive resistance module
Digital To Analog Converter (DAC) Projects
Generating fixed voltages
Generating a sawtooth-wave signal
Generating a triangular-wave signal
Arbitrary periodic waveform
Generating a sinewave signal
Generating accurate sinewave signal using timer interrupts
Using The OLED Display
Seconds counter
Event counter
DS18B20 OLED based digital thermometer
ON-OFF temperature controller
Measuring the temperature and humidity
Ultrasonic distance measurement
Height of a person (stadiometer)
Heart rate (pulse) measurement
Other Sensors Supplied with the Kit
Theft alarm
Sound-activated light
Infrared obstacle avoidance with buzzer
WS2812 RGB LED ring
Timestamping temperature and humidity readings
Network Programming
Wi-Fi scanner
Remote control from the Internet browser (using a smartphone or PC) – Web Server
Storing temperature and humidity data in the Cloud
Low-Power Operation
Using a timer to wake up the processor
This NVMe M.2 2242 SSD (128 GB) is already pre-installed with Raspberry Pi OS for immediate use with the Raspberry Pi 5 M.2 HAT+.
Features
Form factor: M.2 2242 M-Key NVMe SSD
Pre-loaded with Raspberry Pi OS
High level of ability to endure shock, vibration, and high temperature
SMART TRIM support
PCIe Interface: PCIe Gen3 x2
Compliance: NVMe 1.3, PCI Express Base 3.1
Capacity: 128 GB
Speed:
Read: Up to 1700 MB/s
Write: Up to 600 MB/s
Shock: 1500 G/0.5 ms
Operation temperature: 0°C-70°C
Up to 30x faster than a typical hard disk drive
Boosts burst write performance, making it ideal for typical computer workloads
Faster boot-up, shutdown, application load, and response for Raspberry Pi
Downloads
Datasheet
Use your Raspberry Pi with LTE Cat-4 4G/3G/2G Communication & GNSS Positioning, for remote data transmission/phone/SMS, suitable for remote area monitoring/alarming.
This 4G hat is based on the Maduino Zero 4G LTE, but without any controller. It needs to work with Raspberry Pi (2x20 connector and USB). The Raspberry communicate with this HAT with simple AT commands (via the TX/RX Pins in the 2X20 connector) for simple controls, such as SMS/Phone/GNSS; with the USB connecting and proper Linux driver installed, the 4G hat act as a 4G network adapter, that can access to the Internet and transmit data with 4G protocol.
Compares to normal USB 4G dongle, this Raspberry Pi 4G Hat has the following advantages:
Onboard Audio codec, that you can have a call directly with your RPI, or auto broadcasting with a loudspeaker;
Hardware UART communication, hardware controlling of Power(by 2s pulse of PI GPIO or POWERKEY button), hardware controlling of flight mode;
Dual LTE 4G antenna, plus GPS antenna
Features
LTE Cat-4, with uplink rate 50 Mbps and downlink rate 150 Mbps
GNSS Positioning
Audio Driver NAU8810
Supports dial-up, phone, SMS, TCP, UDP, DTMF, HTTP, FTP, and so on
Supports GPS, BeiDou, Glonass, LBS base station positioning
SIM card slot, supports 1.8V/3V SIM card
Onboard audio jack and audio decoder for making a telephone call
2x LED indicators, easy to monitor the working status
Supports SIM application toolkit: SAT Class 3, GSM 11.14 Release 99, USAT
Included
1x 4G LTE Hat For Raspberry Pi
1x GPS antenna
2x 4G LTE antenna
2x Standoff
Downloads
GitHub