Ulanzi TC001 is an LED pixel clock consisting of 256 individual addressable RGB LEDs (8x32) with built-in battery, buzzer, light, temperature and humidity sensor. The integrated rechargeable battery offers a runtime of up to 5 hours. The WiFi connection to the clock is made via an ESP32 chip. Ulanzi TC001 uses an ESP32-WROOM-32D module. Features Pixelated message display Simultaneous Display of the Number of Followers: Fan growth is immediately visible, suitable for YouTube, Bilibili, and Weibo. Pomodoro Clock Design: Manage your own time more scientifically. Explore unlimited possibilities: Multiple programs need to be installed through the control server to achieve more functions. Awtrix Makes it Better: Awtrix simulator in TC001’s firmware simulates an Awtrix matrix and allows you to control the clock using a standard Awtrix host. Hi-tech and stunning appearance: Modeling simple atmosphere, LED full-color pixel screen with better imaging. Built-in 4400 mAh battery with up to 5 hours of battery life. Specifications Number of LEDs: 256 (8x32) Operating voltage: 3.7 V Power: 3 W Battery capacity: 4400 mAh Interface: USB-C Dimensions: 200.6 x 70.3 x 31.9 mm Weight: 283 g Inbegrepen Ulanzi TC001 Smart Pixel Clock USB cable Manual Downloads Firmware

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The HuskyLens AI Camera intuitive design allows the user to control different aspects of the camera just by pressing buttons. You can start and stop learning new objects and even switch between algorithms from the device. To further reduce the need to be connected to a PC the HuskyLens AI Camera comes with a 2-inch display so you can see what's going on in real time. Specifications Processor: Kendryte K210 Image Sensor: OV2640 (2.0 Megapixel Camera) Supply Voltage: 3.3~5.0 V Current Consumption (TYP): 320 mA @ 3.3 V, 230 mA @ 5.0 V (face recognition mode; 80% backlight brightness; fill light off) Connection Interface: UART, I²C Display: 2.0-inch IPS screen with 320x240 resolution Built-in Algorithms: Face Recognition, Object Tracking, Object Recognition, Line Tracking, Color Recognition, Tag Recognition Dimension: 52 x 44.5 mm (2.05 x 1.75') Included 1x HuskyLens Mainboard 6x M3 Screws 6x M3 Nuts 1x Small Mounting Bracket 1x Heightening Bracket 1x Gravity 4-Pin Sensor Cable

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Features No backlight Displays last images even when powered down Ultra low power consumption SPI interface Compatible with 3.3 V and 5 V Specifications Operating voltage 3.3 V / 5 V Interface 3-wire SPI, 4-wire SPI Outline dimension 89.5 x 38 mm Display size 66.89 x 29.05 mm Dot pitch 0.138 x 0.138 Resolution 296 x 128 Display color red, black, white Grey level 2 Full refresh time 15 s Refresh power 26.4 mW Standby power <0.017 mW Viewing angle >170° For more information check out the waveshare wiki here.

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This kit contains more than 130 components and is specially compiled to build the projects from The Book of 555 Timer Projects. The components are through-hole, so they fit onto a breadboard. This makes it easy to modify and experiment with the projects. Kit Contents Resistors 1x 15 kΩ 1x 68 kΩ 2x 47 kΩ 1x 82 kΩ 2x 820 Ω 1x 8.2 kΩ 3x 10 kΩ 1x 1.8 kΩ 1x 6.8 kΩ 14x 2.2 kΩ 10x 680 Ω 1x 27 kΩ 1x 5.6 kΩ 1x 560 kΩ 1x 4.7 kΩ 1x 3.3 kΩ 3x 33 kΩ 1x 36 kΩ 2x 100 kΩ 5x 1 kΩ 1x 3.9 kΩ 2x 56 kΩ 2x 12 kΩ 1x 10 kΩ potentiometer 1x 1 MΩ potentiometer 2x 50 kΩ potentiometer 3x 20 kΩ potentiometer 1x 10 kΩ potentiometer 1x 10 kΩ potentiometer 1x 50 kΩ potentiometer 1x 100 kΩ potentiometer 1x 50 kΩ potentiometer Capacitors 1x 0.33 μF 1x 1 μF 1x 10 nF 1x 22 nF 1x 47 nF 1x 100 nF 1x 10 μF electrolytic 1x 33 μF electrolytic 2x 100 μF electrolytic LEDs 10x 5 mm red LED 10x 3 mm red LED 3x 3 mm yellow LED 3x 3 mm green LED 1x Common-cathode 7-segment LED Semiconductors 3x 555 timer 1x CD4017 counter 1x CD4026 counter 1x CD4011 NAND gate 4x 1N4148 diode 1x IRFZ46N MOSFET 1x Thermistor 1x Light dependent resistor (LDR) Miscellaneous 1x Passive buzzer 1x Active buzzer 1x SG90 servo 1x 8 Ω mini loudspeaker 1x 9 V DC brushed motor 1x 5 V relay 1x 9 V battery clip 7x Pushbutton switches 1x Breadboard 1x Breadboard jumper wires

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The board provides you with an economical and easy to use development platform if you're needing more power with minimal working space. With the M.2 MicroMod connector, connecting your SAMD51 Processor is a breeze. Simply match up the key on your processor's bevelled edge connector to the key on the M.2 connector and secure it with a screw (included with all Carrier Boards). The SAMD51 is one of the most powerful and economical microcontrollers available so to be able to add it to your MicroMod Carrier Board is a huge advantage for your project! The ATSAMD51J20 utilizes a 32-bit ARM Cortex-M4 processor with Floating Point Unit (FPU), running up to 120MHz, up to 1MB of flash memory, up to 256KB of SRAM with ECC, up to 6 SERCOM interfaces, and other features. This MicroMod SAMD51 even comes flashed with the same convenient UF2 bootloader as the SAMD51 Thing Plus and the RedBoard Turbo. Features ATSAMD51J20 microcontroller 32-bit ARM Cortex-M4F MCU Up to 120 MHz CPU speed 1 MB flash memory 256 KB SRAM Up to 6 SERCOM interfaces UF2 bootloader 1x USB dedicated for programming and debug (Host capable) 2x UARTs 2x I²C 1x SPI 1x CAN 11x GPIO 2x Digital Pins 2x Analog Pins 2x PWM 128 mbit / 16 MB (external) flash memory Status LED VIN Level ADC

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You can program the nRF52840 chip directly to take full advantage of the Cortex-M4 processor, and then calling into the Nordic SoftDevice radio stack when you need to communicate over BLE. Since the underlying API and peripherals are the same for the '832 and '840, you can supercharge your older nRF52832 projects with the same exact code, with a single recompile! CircuitPython works best with disk drive access, and this is the only BLE-plus-USB-native chip that has the memory to handle running a little Python interpreter. The massive RAM and speedy Cortex M4F chip make this a good match. Peripherals Plenty of GPIO, analog inputs, PWM, timers, etc. Best of all, it's got that native USB! Finally, no need for a separate USB serial chip like CP2104 or FT232. Serial is handled as a USB CDC descriptor, and the chip can act like a keyboard, mouse, MIDI device, or even disk drive. This chip has TinyUSB support – that means you can use it with Arduino as a native USB device and act as UART (CDC), HID, Mass Storage, MIDI, and more! Features ARM Cortex M4F (with HW floating point acceleration) running at 64 MHz 1 MB flash and 256 KB SRAM Native Open Source USB stack (pre-programmed with UF2 bootloader) Bluetooth Low Energy compatible 2.4 GHz radio FCC / IC / TELEC certified module Up to +8 dBm output power 1.7 V to 3.3 V operation with internal linear and DC/DC voltage regulators 21 GPIO, 6x 12-bit ADC pins, up to 12 PWM outputs (3 PWM modules with 4 outputs each) Pin #3 red LED for general purpose blinking, NeoPixel for colorful feedback Power/enable pin Measures 2.0 x 0.9 x 0.28' (51 x 23 x 7.2 mm) without headers soldered in Light as a (large?) feather (6 grams) 4 mounting holes Reset button SWD connector for debugging

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YDLIDAR SDM18 is a high-performance single-point LiDAR. Based on the principle of ToF, it is equipped with related optics, electricity, and algorithm design to achieve high-precision laser distance measurement and outputting high frame rate point cloud data of the scanning environment. It can be used for UAV alt-hold, robot obstacle avoidance and navigation, etc. Specifications High Ranging frequency: 50-250 Hz Range Distance: 0.2-18 m FDA Class I eye safety standard Support UART and I²C interfaces Dimensions: 21 x 15 x 7.87 mm Weight: 1.35 g Applications UAV alt-hold and obstacle avoidance Robot obstacle avoidance Intelligent equipment obstacle avoidance Navigation and obstacle avoidance of home service robots / robot vacuum cleaners Downloads Datasheet User Manual Development Manual SDK Tool ROS

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This 10.1-inch HDMI touch screen has a high-definition resolution of 1280x800 and supports a viewing angle of 178°, providing an excellent visual experience. It supports Raspberry Pi, Windows, Linux, Ubuntu and other systems, and is also compatible with Raspberry Pi 3/3B+/4B/5, Jetson Nano, Beaglebone, Banana Pi and other mainstream development boards. You can easily adjust the desired brightness by adjusting the backlight button. This Raspberry Pi capacitive touch screen supports 5-point touch, has fast response speed, and high-definition communication supports plug-and-play.It comes with a stand for easy desktop placement, and mounting holes on the back allow you to securely mount it on a wall or integrate it with a small form factor SBC (single board computer). To protect the screen and enhance its visual appeal, the monitor comes with a durable and stylish acrylic cover. Whether you need a high-quality monitor for gaming, multimedia entertainment, or industrial applications, our 10-inch monitors offer superior visuals, responsive touch controls, seamless connectivity, and versatile mounting options. Features IPS HD 1280x800 resolution and 178° full viewing angle offers crystal clear visuals and vivid colors for high-quality visual experience Support backlight control, itcan be adjusted by button Support capacitive 5-point touch, enable smooth, accurate and fast response Use HD communication, plug and play, and easy to use Support Windows, Linux, Ubuntu, Kodi, etc. Compatible with Raspberry Pi 3/3B+/4B/5, Jetson Nano, Beaglebone Specifications Screen Size 10.1 inch Screen Type IPS screen Resolution 1280 x 800 Backlight adjustment Key switch adjustment Touch Screen Type Capacitive Touch Screen Touch IC SIS9200 Power Micro-USB (5 V) Overall power 5.2942 W (100% brightness) Video Input Interface HDMI-Compatible (up to 1080p) Active Area 216.6 x 135.4 mm Dimensions (L x W x H) 239.4 x 157.4 x 12.3 ±0.2 mm Included 1x 10.1 inch Touch Display 1x HD to HD Cable 2x USB cable 1x HD to Mini HD Adapter 1x Screw Pack 2x Bracket 1x Screwdriver 1x Manual Downloads Manual Wiki

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This is a RGB LED matrix digital clock designed for Raspberry Pi Pico. It incorporates high precision RTC chip DS3231, photosensor, buzzer, IR receiver, and buttons, features multiple functions including accurate electronic clock, temperature display, auto brightness adjustment, alarm, and button config. The important part is, rich open source codes and development tutorials are also provided to help you fast get started with Raspberry Pi Pico and make your own original electronic clock. Features Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series Using P3 fine-pitch RGB LED matrix panel, with 2048 individual RGB LEDs, 64×32 pixels, 3 mm pitch, allows displaying text, colorful image, or animation Onboard high precision RTC chip DS3231, with backup battery holder (battery included), maintains accurate timekeeping when main power is off Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 Optional format: 24-hour OR 12-hour with an AM/PM indicator 2x programable alarm clock Digital temperature sensor output: ±3°C accuracy Embedded photosensor for auto brightness adjustment due to the ambient light, power saving and eye care Embedded buzzer for alarm or hourly ring, etc. IR receiver, combined with the IR remote controller, supports IR wireless control 5x buttons for configuration, reset, and code programming Quality acrylic back panel and dimmer panel, better looking, more comfortable displaying Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples) Included 1x Pico-RGB-Matrix-P3-64x32 base board 1x RGB-Matrix-P3-64x32 LED matrix and accessories 1x Black acrylic back panel 1x Dark brown acrylic front panel 1x IR remote controller 1x Double-sided tape 1x Screws pack Downloads Documentation

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LILYGO T-Display RP2040 Raspberry Pi Module 1.14-inch LCD Development Board This board is based on a Raspberry Pi Pico RP2040 with Dual Cortex-M0+ and 4 MB Flash memory. It is equipped with a 1.14-inch full color IPS display. The ST7789V display has a resolution of 135 x 240 pixels and is connected via the SPI interface. Specifications MCU RP2040 Dual ARM Cortex M0+ Flash 4 MB Bus interfaces 2x UART, 2x SPI, 2x I²C, 6x PWM Programming language C/C++, MicroPython Support machine learning library TensorFlow Lite Onboard functions Buttons: IO06+IO07, battery power detection TFT Display 1.14-inch ST7789V IPS LCD Resolution 135 x 240, full color Interface 4-Wire SPI interface Operating temperature -20°C ~ +70°C Working power supply 3.3 V Connector JST-GH 1.25 mm 2-pin Included LILYGO T-Display RP2040 Unsoldered headers JST cable Downloads Pinout GitHub

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CrowVision 11.6-inch touch screen is designed for all-in-one machines. It features a 1366 x 768 high-resolution screen and IPS panel, providing a superior visual experience. The industrial design-style rear-fixed metal structure is compatible with various single-board computers (SBCs), with a reasonable layout and neat wiring, making it easy to power up and use with simple operations. The screen uses HDMI-compatible communication and supports capacitive multi-touch. It has reserved interfaces and buttons for speakers and other accessories, making it adaptable to different usage scenarios. It can be used with a variety of commonly available single-board computers such as Raspberry Pi, Jetson Nano, and is plug-and-play, while also being fully compatible with the operating systems of single-board computers (such as Raspbian, Ubuntu, Windows, Android, Mac OS, and Chrome OS, etc.). This screen can be widely used in automation application control system displays, personal DIY projects, secondary screen/second window displays, single-board computer audio-video display equipment, HDMI communication devices, game console expansion screens, and other scenarios. Features 11.6-inch high-resolution screen with 1366 x 768 resolution, IPS panel, and 178° wide viewing angle provides a better visual experience Unique rear fixing structure with sliding fixing pillars, compatible with most single-board computer models, easy to assemble Wide compatibility, compatible with multiple operating systems (Raspbian, Ubuntu, Windows, Android, Mac OS, and Chrome OS) Supports audio, video, and capacitive touch, plug and play Integrates a variety of peripheral interfaces (such as speakers, headphones, keypads, touchscreens) and onboard OSD adjustment keys The mainboard is equipped with power conversion function of output 5 V/3 A, not need to separately connect an external power supply for the single-board computer. Specifications Display size: 11.6 inch Touch type: 5-point Capacitive Touch Resolution: 1366 x 768 Color depth: 16M Viewing angle: 178° wide viewing angle Display type: IPS Panel Screen type: TFT-LCD External power supply: 12 V/2 A Digital input: HDMI-compatible interface Interfaces: 1x Keypad interface, 1x power supply 5 V output, 1x Mini HD interface, 1x touch interface, 1x speaker interface, 1x headphone socket, 1x power supply 12 V input Compatibility system: Raspbian, Ubuntu, Windows, Android, Mac OS, and Chrome OS, etc. Active Area: 256.13 x 144 mm Dimensions: 290.8 x 184.2 mm Included 1x 11.6-inch capacitive touch ccreen 1x USB-A to USB-C cable 1x USB-A to micro B cable 1x HD to mini HD cable 1x Micro HD to mini HD cable 1x OSD control board 1x Power adapter 1x Screwdriver 2x Ribbon 1x Manual Downloads Manual Wiki

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Features Dual channel, Bi-directional control motor driver Support motor voltage from 2.5 V to 9.5 V DC Maximum current up to 1.0 A continuous and 1.5 A peak (<5 seconds) 5 V Output (200 mA) to power the controller. Inputs compatible with 1.8 V, 3.3 V and 5 V logic (Arduino, Raspberry Pi, etc). Solid state components provide faster response time and eliminate the wear and tear of mechanical relay Regenerative Braking Speed control PWM frequency up to 20 KHz (Actual output frequency is same as input frequency) Dimension: 43 mm (W) x 35 mm (L) x 14 mm (H) The Problem Faced by Beginners in Driving DC Brushed Motor Maker Drive is designed by taking into account feedback from users, especially 1st time users. If you are a beginner that needs a simple motor driver to drive DC brushed motor for building mobile robot or other purposes, you might come across some of these obstacles: Burning your Motor Driver - Many low cost motor driver does not come with Reserve Polarity Protection and this might result in smoke coming out from the driver if you connect the power in wrong polarity. This gives you a burnt motor driver and of course the waste of money and your precious time. Too Bulky for compact projects - Some motor drivers come with a big heat sink and take up too much space. Hard to test and troubleshoot - With normal motor drivers, beginners face a common problem during building project - difficulty in testing and troubleshooting the circuit. Yes, even with a clear schematic or diagram, the circuit will not work right after you complete the connection. Most of the time, you will need to test or troubleshoot. Without easy to use input and output indicator, you will need to write a program to test the motor driver. And that increases the complexity of debugging as you do not know whether the problem is due to wire connection or coding in your program. Separate Power for Low Voltage Motor - Many low cost motor drivers have an onboard 5 V linear voltage regulator, which is great to power your controller like Arduino. But this linear voltage regulator will not output 5 V if Vin is lower than 7 V. Yet, many small toy motors used in DIY projects are rated at lower than 7 V. These motors are suitable to be powered by two AA or AAA batteries (3 V or less) or single cell Li-ion 18650/Li-Po battery (3.7 V rated voltage). With that, you will need two separate power sources, one for the motors and another one to get stable 5 V output for controller such as Arduino board. Maker Drive is designed to solve the above problems while adding some useful features: Fool Proof - Maker Drive comes with Reverse Polarity Protection at Vin/Vmotor/Vbatt (Power for motor) terminal. With this protection it will greatly reduce the risk of damaging the motor driver Compact Design - Maker Drive is designed to be compact, roughly the size of a passport photo, 43 mm (W) x 35 mm (L) x 14 mm (H) 4 Test Buttons (2 for each channel) - Easily test the motor or your mechanism without any controller or coding. Maker Drive comes with two manual test buttons for each channel. Pressing one of the buttons will drive the output full speed in a direction (if there is motor connected) on respective channel. While another button will drive the output in another direction. These buttons are useful to test the motor direction, connection and operation; even without controller. You can also use these buttons as manual activation button. No programming is needed to use these buttons. 4 Indicator LEDs (2 for each channel) - Easily test your coding and wire connections. With these indicator LEDs, you can check output voltage direction even without connecting the driver to your motor. And combining with the Manual Test Buttons, you can test the Maker Drive easily even without controller and motor connected. You can also easily identify where the error occurs for easy troubleshooting. Of course no programming is needed here either. These LEDs are quite useful for testing and troubleshooting. Buck-boost regulator to produce 5 V output from input voltage as low as 2.5 V- Allows you to power a 5 V controller with 2 AA batteries. Maker Drive can produce output of 5 V with input voltage range, from 2.5 V up to 9.5 V. This 5 V output can supply 200 mA to an external circuit such as a controller (Arduino), saving the trouble of getting another power source for your controller. Now your project can be powered with a single power source. And with the wide input voltage range, you can power Maker Drive with two AA or AAA batteries (1.5 V x 2 = 3 V) or single cell Li-ion or Lipo batteries that have rated voltage of 3.7 V. Although Maker Drive is not an Arduino Shield, it is compatible with a number of Arduino main boards: Arduino Uno R3 Arduino Mega 2560 Arduino Nano Arduino Pro Mini in addition to that, it accepts 1.8 V, 3.3 V & 5 V logic (for control) and is compatible with controllers such as Raspberry Pi, BeagleBone, ESP8266, ESP32, etc. Requirements for the motor you use: DC Brush motor (Two Terminals) Operating voltage from 2.5 V to 9.5 V DC Rated Current <= 1.0 A Peak Current <= 1.5 A Suggested Power Sources 2 x AA/AAA batteries (2 x 1.5 V = 3.0 V) 3 x AA/AAA batteries (3 x 1.5 V = 4.5 V) 4 x AA/AAA batteries (4 x 1.5 V = 6.0 V) 1 x Li-ion 18650 battery (1 x 3.7 V, 3.0 V to 4.2 V) 2 x Li-ion 18650 batteries (2 x 3.7 V = 7.4 V, 6.0 V to 8.4 V) 1 x Li-ion 14500 battery (1 x 3.7 V, 3.0 V to 4.2 V) 2 x Li-ion 14500 batteries (2 x 3.7 V = 7.4 V, 6.0 V to 8.4 V) Documents Datasheet Arduino Sketch: Select PWM_PWM_DUAL under example Fritzing files

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We've provided a Qwiic connector to connect to the I²C data lines easily, but you will also need to connect to two additional lines. This board is tiny, measuring 25.4 mm x 12.7 mm, which means it will fit nicely on your finger without all the bulk. The MAX30101 does all the sensing by utilizing its internal LEDs to bounce light off the arteries and arterioles in your finger's subcutaneous layer and sensing how much light is absorbed with its photodetectors. This is known as photoplethysmography. This data is passed onto and analyzed by the MAX32664, which applies its algorithms to determine heart rate and blood oxygen saturation (SpO2). SpO2 results are reported as the percentage of hemoglobin that is saturated with oxygen. It also provides useful information such as the sensor's confidence in its reporting and a handy finger detection data point. To get the most out of the sensor, Sparkfun has written an Arduino Library to make it easy to adjust all the possible configurations. Features SparkFun Pulse Oximeter and Heart Rate Sensor MAX30101 and MAX32664 sensor and sensor hub Qwiic connectors for power and I²C interface I²C Address: 0x55 MAX30101 - Pulse Oximeter and Heart-Rate Sensor Heart-Rate Monitor and Pulse Oximeter Sensor in LED Reflective Solution Integrated Cover Glass for Optimal, Robust Performance Ultra-Low Power Operation for Mobile Devices Fast Data Output Capability Robust Motion Artifact Resilience MAX32664 - Ultra-Low Power Biometric Sensor Hub Biometric Sensor Hub Solution Finger-Based Algorithms Measure Pulse Heart Rate and Pulse Blood Oxygenation Saturation (SpO2) Both Raw and processed data are available. Basic Peripheral mix optimizes size and performance.

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