RTL8188_USB WIFI network card

Introduction: Disassemble the RTL8188EUS module to DIY USB network card, and test it to be stable after long-term work.

Schematic PCB

Multimedia terminal based on F1C200S

Introduction: A multimedia platform designed based on the Allwinner F1C200S platform. It runs linux4.16 QT LVGL, connects to the Internet through the ESP8266 module, can play audio, and supports 5-inch RGB interface LCD and resistive touch.

Schematic PCB

2021 Question B - Three-phase AC-DC conversion circuit makes money relying on the team

Introduction: 2021 National Competition Question B

Schematic PCB

[Internet of Things] Hongmeng IoT Smart WIFI Switch

Introduction: Use Hongmeng Hi3861 combined with a servo to achieve remote control of physical switches in your home or dormitory

Schematic PCB

STM32F427 core board

Introduction: STM32F427 core board, with FLASH, case, crystal oscillator, CH340 automatic download, OTG

51 microcontroller simple heart-shaped lamp - version 3

Introduction: Pattern heart-shaped running water lamp based on STC89C52RC

Schematic PCB

Core board-CH554G

Introduction: Core board-CH554G
The CH554 chip is an enhanced E8051 core microcontroller compatible with the MCS51 instruction set from Qinheng.

Schematic PCB

5.8g image transmission automatic frequency search/sweep

Introduction: Applicable to rx5808

Schematic PCB

ATTiny45_Player_SD

Introduction: A player produced by ATTiny45, please give me a thumbs up

Schematic PCB

STC32G12K128-LQFP48

Introduction: STC32G12K128-LQFP48 is the smallest system board with no problem in functional verification.

Schematic PCB

F1C200S development board that supports three screens

Introduction: Source project based on the open source board modified by AI_QY boss
: https://www.oshwhub.com/AI_QY/f1c100s_1

Schematic PCB

gesture recognition device

Introduction: Based on the basic principle of parallel plate capacitors, the copper plate capacitance value is read through FDC2214. Compare with the threshold to determine the current gesture, display the result by TFTLCD, and announce the recognized gesture by the voice module. And a human-machine battle system is added, and any person can play a guessing game with the system after training.

Schematic PCB

[Graduate Design] Two-dimensional lidar

Introduction: Two-dimensional tof lidar
360-degree range measurement without blind spots

Schematic PCB

Low cost FOC robot joint

Introduction: The main control uses STM32G030F6P6
motor to drive DRV8313
magnetic encoder as5600
serial communication
brushless motor 2804 motor
low-cost and small-sized brushless motor robot joint

Schematic PCB

STC15ESP8266

Introduction: Use STC15F2K60S2 to create an IoT development board, suitable for learning the basic IoT functions of ESP8266

Schematic PCB

LCR measuring instrument

Introduction: LCR measuring instrument

Schematic PCB

Waveform detection and parameter measurement instruments

Introduction: This work is a waveform detection and parameter measurement instrument that can identify sine waves, rectangular waves, triangle waves, etc....

Schematic PCB

8*8 dot matrix--51 development board

Introduction: 51 development board, expansion module 8*8 dot matrix LED

Schematic PCB

4*4 matrix button ss

Introduction: 4*4 matrix key expansion board

Schematic PCB

stm32f103c6t6 minimum system board

Introduction: Use a microphone to amplify the collected sound signal, then use stm32f103c6t6 to perform FFT transformation on the collected signal, and then display the spectrum through a 0.96-inch OLED graphic with IIC protocol

Schematic PCB