arduboy

Introduction: Open source arduboy code address https://github.com/Arduboy/Arduboy.git

Schematic PCB

Esp8266 4.2-inch three-color ink screen calendar desk calendar schedule reminder

Introduction: esp8266 4.2-inch three-color ink screen monthly calendar with weather forecast, schedule reminder, and network configuration interface.

4.2-inch ink screen weather forecast station reminder and countdown Esp8266

Introduction: 4.2-inch three-color ink screen weather forecast station countdown schedule reminder three-day weather forecast

4.2-inch ink screen calendar lunar calendar reminder countdown Esp8266

Introduction: 4.2-inch ink screen calendar lunar calendar reminder countdown Esp8266 only supports Weixue 4.2 ink screen

Mao_LGTISP programmer

Introduction: ISP programmer suitable for LGT chips

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Mao_Larduino_NANO_Lite

Summary: Mao Larduino NANO Lite

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Mao_Larduino_NANO

Introduction: Mao Larduino NANO

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Mao_Larduino_BoB

Introduction: Mao Larduino BOB

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ESP32 test development board

Introduction: Mao_ESP32 test development board

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[Tuya Smart] Remote Control

Introduction: An infrared transmitter that can learn and emit infrared signals

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TKeyboard

Introduction: A simple keypad using Leonardo

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ip5328p

Introduction: Modified based on https://oshwhub.com/zhqsoft/IP5328. See the original post for specific bom

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Based on esp-07s using lithium battery and using external antenna esp8266

Introduction: The esp-07s module is used, the charging chip is 4056, and the chip power supply is RT9013-33GB.

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[Tuya Smart] Intelligent dehumidification industrial controller based on Arduino-582526A

Introduction: 1. Arduino-based industrial dehumidification controller (WIFI version) is suitable for large dehumidifiers (such as skating rink dehumidification) 2. The threshold can be set remotely by mobile phone 3. Current temperature and humidity can be viewed in real time 4. Automatic reporting when temperature and humidity change (Temperature changes by 0.1°C, humidity changes by 1%)

Schematic PCB

【ART-Pi】Arduino-NodeMCU compatible expansion board

Introduction: ART-Pi is compatible with the Arduino UNO pin expansion board, which adapts the ART-Pi pins to the Arduino UNO pins. The expansion board comes with an ESP12-F module, which is compatible with the WiFiduino development board and NodeMCU firmware.

Schematic PCB

STC8G-51 microcontroller development board

Introduction: The 51 microcontroller development board is based on the STC8G2K64S4 microcontroller. With it, you can not only learn all the basic knowledge of the microcontroller, but also develop many product-level projects.

Schematic PCB

Tanabata Toad/Lonely Frog: Serial Screen Baseboard

Introduction: A 2.2-inch serial port screen baseboard, which can be controlled by buttons. The bottom of the board is printed with the "Chinese Valentine's Day Toad" set of pictures that are popular on the Internet.

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A beautiful open source T12 soldering station

Introduction: A nanny-level tutorial to plan an open source T12 soldering station for you from scratch~

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[Solicitation Order] oneTesla open source digital arc extinguishing modified version

Introduction: It is a compatible version of oneTesla Tesla coil arc extinguishing. You can ask for the official firmware, or you can send me a private message for pure digital control. The main chip Atmega328p-pu is easy to replace. The optical fiber is replaced by the common hfbr1414 from the original rare connector.

Schematic PCB

DDS single-channel three-signal generator based on AD9833

Introduction: This project is a single-channel digital signal generator designed based on ADI's AD9833 digital signal direct synthesis IC, which supports sine, square waves, and triangle waves.

Schematic PCB