[Successful test] Expansion board based on arduino UNO

Introduction: Expansion board based on arduino UNO

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[Unfinished] A strange B-station player has been added!

Introduction: Strange PCB added!

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[To be soldered] DHT11 solution verification board

Introduction: This project is used to verify the scheme verification design of LCSC’s temperature and humidity detection module DHT11 (LCSC No. C117051) https://item.szlcsc.com/118309.html

Schematic PCB

[New version - successful test] IoT switch

Introduction: This project is version 5.3 of https://oshwhub.com/liyichuangeda/ji-yu-ESP12de-1lu-wu-lian-wang-kai-guan-2

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[Successful test] 2-way relay module with optocoupler

Introduction: 2-way relay module with optocoupler

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wemos d1 OLED expansion board

Introduction: wemos d1 OLED expansion board

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STC8A8K-Lao Liu Oscilloscope

Introduction: STC8A8K-Lao Liu Oscilloscope

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esp8266 game console

Introduction: ESP8266 handheld computer, suitable for various programs

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ESP8266 ink screen driver board-2.13 inches

Introduction: ESP8266 ink screen driver board-2.13 inches

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ESP32S2-Pyboard-module version

Introduction: ESP32S2-Pyboard-module version

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ESP32 watch-1.14 inch LCD

Introduction: Open source watch made with ESP32

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ESP32-PICO-D4-Demo test board

Introduction: ESP32-PICO-D4-Demo test board

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Arduino Nano Type C interface version

Introduction: Arduino Nano Type C interface version

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Water rocket attitude control module

Introduction: Arduino-based attitude control module. Control the steering gear based on the signal from the attitude sensor

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[Verified] USBasp burner avr downloader

Introduction: An open source usbasp

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leonardo upgraded version

Introduction: A relatively advanced and hard-core Leonardo development board

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ESP32 ink screen driver board

Introduction: An ESP-32 ink screen development board

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Four-way servo control_public

Introduction: Four-way servo control

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51 simple development board_public

Introduction: 51 microcontroller simple development board

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51 microcontroller minimum system_public

Introduction: 51 microcontroller minimum system

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