USB2.0 full-speed analyzer based on Raspberry Pi RP2040

This is a simple USB sniffer based on the Raspberry Pi RP2040. It supports low speed and full speed modes. The firmware presents itself as a virtual COM port (VCP), so no additional software is required and it is compatible with all operating systems.

Schematic PCB

PicoCray: 9 Raspberry Pi pico RP2040 for parallel computing

The PicoCray project connects multiple Raspberry Pi Pico microcontroller modules into a parallel architecture, utilizing the I2C bus to communicate between nodes

Schematic PCB

Digital photo frame source code (AT76C120+CT956)

Digital photo frame source code (AT76C120+CT956)

Schematic PCB

RP2040 based ohmmeter with audio and ribbon feedback

ESP32Picoremote: ESP32 WiFi remote control with TFT display, mini TV, capable of playing GIFs

The WiFi remote control is based on ESP32 Pico D4 MCU and 160x80 pixel mini TFT display. Additionally, there are onboard I2C temperature and humidity sensors and an accelerometer.

Schematic PCB

Raspberry Pi RP2040 direct drive DVI/HDMI interface display cool display

These demos all use Adafruit's PicoDVI branch, which makes the video framebuffer look like a regular Adafruit_GFX object, which makes drawing very easy.

Schematic PCB

Quadrant: Gesture audio adjustment based on 4 TOF sensors

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Infrared remote control alarm (schematic + PCB diagram + program + documentation).rar

The infrared controlled temperature alarm produced for this competition took half a month to make. It is a simple device made of AT89S52 with LCD 12864 as the display platform, including infrared remote control, temperature measurement, time display, alarm reminder and picture browsing. Infrared controlled temperature sensor.

Schematic PCB

Tetris design based on STM32 (source program, schematic diagram, PCB)

Tetris design based on STM32, including source program, schematic diagram, and PCB files

Schematic PCB

Single-button keyboard based on ESP32-S3 with color screen

Schematic PCB

LiPow, a USB type-C powered lithium battery charger

The lithium battery charger project with USB type-C power transmission based on STM32G0 uses USB type-C with power transmission to charge the lithium polymer battery. Supports charging and balancing of 2s-4s packs, supports charging up to 100W.

Schematic PCB

Snake game design based on STM32 (program, PCB)

Snake game design based on STM32, including program and PCB files

Schematic PCB

Intelligent desktop weather forecast system based on STM32

With voice recognition function, you can use voice to search for weather, as well as radio, temperature and humidity, calendar and other functions.

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Electronic clock module schematic + PCB diagram (2012 version)

Electronic clock module schematic diagram + PCB diagram (2012 version), if you are interested, you can download it and take a look.

Schematic PCB

NES-Game - Homemade handheld game console based on ESP32

Based on ESP32 and ATtiny861 to build a Nintendo NES game emulator handheld console with complete materials for making the project

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Unattended automatic watering system

Grapevines use a lot of water and the soil dries out quickly, so they need to be watered twice a day. This project is about using an unmanned watering system to water flower pots.

Schematic PCB

AlphaPose-real-time full-body multi-person pose estimation and tracking system

It is the first open source system to achieve 70+ mAP (75 mAP) on the COCO dataset and 80+ mAP (82.1 mAP) on the MPII dataset. To match poses corresponding to the same person in frames, an efficient online pose tracker called Pose Flow is also provided. It is the first open source online pose tracker to achieve 60+ mAP (66.5 mAP) and 50+ MOTA (58.3 MOTA) on the PoseTrack Challenge dataset. AlphaPose supports Linux and Windows.

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Design of dual-tone doorbell circuit based on 555 timer

Design of dual-tone doorbell circuit based on 555 timer

Schematic PCB

Sugar glider health management system based on RSL10

The project uses RSL10 to build a sugar glider health monitoring system. With good exercise and diet, my little jelly (sugar glider) can grow up healthily.

Schematic PCB

High-precision LED electronic clock design based on STM8 (all design materials)

Based on STM8S003K3 microcontroller, it has alarm and chime functions and automatic light sensing function.

Schematic PCB