144LED array development board based on IS31FL3732

Introduction: Beta version based on IS31FL3732

Schematic PCB

GDEH042Z96-ink screen

Introduction: Dalian Jiaxian black, white and red three-color ink screen (GDEH042Z96) adapter board

Schematic PCB

Mijia control small light based on esp12f

Introduction: ws2812 night light based on esp12f

Schematic PCB

HK32F030M Experimental Board

Introduction: Used to test all peripheral functions of HK32F030M microcontroller

Schematic PCB

ProMicro_TypeC_All GPIO: Homemade Atmega32u4 core board

Introduction: Self-made TypeC interface ProMicro, 26GPIO version, no RX, TX indicator lights, CC1, CC2 do not pull down.

Schematic PCB

Atmega32u4 core board, TypeC interface, 23 GPIOs

Introduction: Atmega32u4 core board, TypeC interface, 23 GPIOs.

Schematic PCB

ESP-12E Downloader

Introduction: ESP-12E automatic downloader

Schematic PCB

Multi-level menu OLED display

Introduction: Function introduction of the work: Through multi-level menus, multiple functions such as NTP clock, local clock (DS3231), weather forecast, BME280 temperature and humidity, B station fans, video playback, WS2812_8*32, etc. can be displayed.

Schematic PCB

AWTRIX 2.0 Temperature and Humidity + Light Sensor IIC

Introduction: Temperature, humidity sensor and light sensor discussion group: 708509507

Schematic PCB

AWTRIX 2.0 Bluetooth Music Edition

Introduction: AWTRIX2.0 Bluetooth Music Edition

Schematic PCB

Lie detector based on arduino nano v3.0

Introduction: This project is a lie detector based on arduino nano v3.0.

Schematic PCB

Lie Detector V1.0

Introduction: Lie Detector

Schematic PCB

(Verified) Module-ESP8266

Introduction: ESP8266 module, discrete device

Schematic PCB

(Verified) Module-CH340C Programmer

Introduction: CH340C programmer, one-click download, GPIO2, REST button and ESP8266 module multiplexing.

Schematic PCB

(Verified) Module-RDA5807+PAM8403 Radio

Introduction: RDA5807M radio chip + PAM8403 power amplifier

Schematic PCB

(Verified) Module-DL1414+PCA9555

Introduction: Use PCA9555 to expand IIC to 16 IO ports, which is used to drive two HPDL1414 display modules and four buttons.

Schematic PCB

ESP32 development board-TYPE-C interface (verified)

Introduction: Differences from the previous version: The original RC element adopts 0402 package, TYPE-C interface, and 1.27mm toggle encoder.

Schematic PCB

Imitation of Zhihuijun ESP32 development board

Introduction: Replace the resistor and capacitor components with 0603 packages for easier welding, replace the TYPE C USB interface with micro USB, and replace the ceramic patch antenna with a printed antenna.

Schematic PCB

4-inch ink screen driver board (CPU part)-vertical acrylic ornament

Introduction: 4-inch screen + acrylic desktop clock. Its appearance beats Xiaomi’s second-second electronic calendar.

Schematic PCB

Personal information display terminal based on ESP32 4-inch ink screen

Introduction: Ink screen terminal: *Based on ESP32, Arduino (mpython will be supported later) *WiFi clock, weather, real-time *WeChat applet personalized information, such as reminders, etc. *Hardware open source *Software code open source

Schematic PCB