Adapter board for yy-stm32 and w5100s

Introduction: This is the adapter board between stm32 and w5100s modules

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[Internet of Things] Hongmeng IoT Smart WIFI Switch

Introduction: Use the Hongmeng Hi3861 chip combined with the servo to realize intelligent WIFI remote control of physical switches in homes or dormitories.

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[Not verified yet] 43-key keyboard——Tassel43

Introduction: Not yet verified_32u4 main control, qmk firmware, hot-swappable

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AT_Start_F403A_AT32F403A

Introduction: Yatli at32f403A development board

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19/20 key numeric area keypad

Introduction: A 20-key keypad made on the basis of the old lettuce-eating numeric keypad on the sketchpad. Three common keys, tab, calculator, and backspace, are added to the top row. It has RGB and full-key hot swapping. , the firmware is written by Brother Lettuce

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usb power meter mini(power-s) optimized PCB version

Introduction: Main control: stm32f401cccu6 Screen: 0.96-inch st7735 Test: ina226 Type-C male and female splint 0.8mm or 1.0mm thickness is acceptable. When ldo is 20V, it can generate heat of more than 70 degrees!

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Arduino PCB Template (Standard UNO)

Introduction: UNO semi-finished wheel

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Arduino PCB Template (Standard Leonardo)

Introduction: Leonardo semi-finished wheels

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ATMEGA328P Arduino Nano core board

Introduction: Homemade Arduino Nano minimum system test board!

[51 microcontroller] VFD clock control board

Introduction: VFD clock control board

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ArmorM: a replacement hit detection device suitable for RoboMaster referee systems AM02 and AM12

Introduction: ArmorM, an alternative hit detection device suitable for RoboMaster referee systems AM02 and AM12. GitHub: https://github.com/Q1anWan/Armors

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17 small keyboard pattern bottom plate

Introduction: 17 keypad pattern bottom plate

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Intelligent monitoring system for electrical equipment completed

Introduction: Project Title: Design of Intelligent Monitoring System for Electrical Equipment

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CH551 microcontroller HID three-button keyboard

Introduction: Adapted from the open source project: https://www.oshwhub.com/TheLight/zi-ding-yi-jian-pan Thanks to the boss of TheLight for the open source project.

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Infrared light communication device

Introduction: This design is an infrared optical communication device that transmits mixed signals. It is mainly composed of four parts: signal acquisition module, infrared transmitting module, infrared relay module, and infrared receiving module. It can realize simultaneous transmission of voice signals and the ambient temperature of the transmitter. The maximum transmission distance is up to 5m without obvious distortion.

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Guangdong University of Technology-Electronic Information Association-51 Development Board

Introduction: A 51 minimum system for association members. The plan has been verified and can be modified by yourself.

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QZD electronic sheep

Introduction: Third Prize in the 2022 Guangzhou City Polytechnic School of Electrical Engineering Electrical and Electronic Breathing Lamp Design Competition

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Lumi_Robot

Introduction: F1C200s, ESP32 dual-core processing, twelve-legged robot

stc 51 microcontroller fast programmer

Introduction: A burner for typec interface of 51 microcontroller burning program

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DAP-Link + Serial STM32 Downloader

Introduction: I have modified two versions using the open source DAP-Link. Please select the information for reference only. The specific information shall be subject to the open source files. I am a newbie. If you don’t like it, please don’t criticize me. Please bear with me if there are any deficiencies.

Schematic PCB