Wandering Wild King——Butterfly

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

Schematic PCB

StlinkOB_V2

Introduction: stlink v2.1

Schematic PCB

24X16 wireless dot matrix display

Introduction: 24X16 wireless receiving dot matrix display based on STC8F2K16S2 and 24L01

Schematic PCB

【Training Camp】Bionic Electronic Dog

Introduction: Use hi3861+PCA9685 to generate PWM to control 8 or 16-channel servos, thereby realizing the movement of the bionic dog.

Schematic PCB

Original God | Faith Ruler | Keli

Introduction: Accuracy depends on the manufacturer’s printing accuracy

Schematic PCB

huanggua69v2

Introduction: I made a keyboard with a 70mm keyboard when I had an idle low switch. It only supports cherry low switch lights and bottom lights. RGB shell. The 3D printing board is compatible with the 60 shell.

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AC version 12V 6J1 preamplifier

Introduction: 12V tube preamplifier

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TypeC test board

Introduction: A PCB that leads out all typec pins

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WLED

Introduction: WLED

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Open T12 Suzaku T12

Introduction: Open T1 Suzaku T12

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various screens

Introduction: Contains a variety of screens

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0.96_OLED small TV

Introduction: Small TV

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T65 electric iron

Introduction: modified from MINI T12

Schematic PCB

MINI T12

简介：MINI T12

Schematic PCB

ESP32-PICO-D4 Development Board

Introduction: ESP32-PICO-D4 development board

Schematic PCB

ESP8266EX Development Board

Introduction: ESP8266EX Development Board

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Laowang stn/cstn and 1.8in tft screen adapter board

Introduction: Compatible with Laowang stn/cstn and ordinary 1.8in tft screen adapter board

Schematic PCB

usb_dac_stm32

Introduction: Use STM32F401 as USB asynchronous audio output I2S, ES9023 as DAC, optional power supply + amplifier circuit.

Integrated board

Introduction: 2022 Graduation Project

Schematic PCB

VL817's multi-functional HUB

Introduction: 3.0HUB part verification is successful, 2.0HUB and uart part have bugs that have been fixed

Schematic PCB