Boring_stm32h7_1.8 inch resistive touch screen

Introduction: Zhongjing Tianyuan’s 1.8-inch capacitive touch screen produced for the Boring_stm32h7 development board.

Schematic PCB

GD32-DAPlink

Introduction: Modeled on Github open source DAP-Link based on GD32F350G8U6

Parking lot management system

Introduction: Parking Lot Management System

Schematic PCB

Power 3.0 output tail panel

Introduction: CNC power supply 3.0 tail plate

Schematic PCB

Breathing light design

Introduction: The third prize in the 2022 Electrical and Electronic Breathing Lamp Design Competition of the School of Electrical Engineering of Guangzhou City Polytechnic Institute. Based on the RGB multi-color flashing lights controlled by 51 microcontroller, the graphics show the shape of the Eye of Tianjin.

Schematic PCB

Palm-sized loli remote control

Introduction: Chips 12le and 5a60 are common. For 1s power supply, you can use the onboard TP4056 for charging. For 2s power supply, an external plug is required. There is a space on the board. The SMD wireless module supports two types. The board size is 100*50, which is convenient for the production of 6-inch light-curing printers. shell

Schematic PCB

STM32F40xZGT6 core board

Introduction: The STM32F4xxZGT6 core board is only 77*50mm in size and leads to all IOs. The peripheral modules only retain LEDs, buttons, debugging serial ports, USB and EEPROM.

Schematic PCB

STM32F103CxT6 core board

Introduction: STM32F103CxT6 minimum system, typec interface version.

Schematic PCB

USB-TTL(N12 shell)

Introduction: I bought a lot of N12 transparent shells and thought of using them, so I made this USB-TTL. Verification available! The capacitors and resistors used are 0805, which is easier to solder.

Schematic PCB

[Verified] FPGA+STM32 development board

Introduction: STM32G0+AG1280 development board

Schematic PCB

W2812 learning development board

Introduction: The main control is STC15F104W infrared control W2812B LED light

Schematic PCB

51 microcontroller minimum system (with expansion)

Introduction: 51 microcontroller is the smallest system board, which can expand Bluetooth module and 2.4G module, and is suitable for making smart cars.

Schematic PCB

STM32F030C6T6 core board

Introduction: This project uses STM32F030C6T6 (Xiaobao 9.9 free shipping). Integrated LM2596 voltage stabilizing chip, which can accept 3.3V, 5V, 12V voltage power supply, leads to common pins such as IIC and serial ports, and leads to PWM output port and auxiliary drive circuit for driving the servo.

Schematic PCB

5.1 Special for single-sided machine 99

Introduction: Introduction: 51 microcontroller development board, simplified version, jinpeng

Schematic PCB

Improved version of Link-Card

Introduction: An improved version of Zhihui-jun Link-card

Schematic PCB

9-key numeric keypad

Introduction: 9-key small keyboard, which can be used as an axis tester or a keyboard. The firmware for the bottom light and knob has not been written yet. Currently, only the axis light RGB is made, which supports via

Schematic PCB

STC89C52 distance alarm

Introduction: Ultrasonic distance measurement, the measured distance is displayed on LCD1602, three buttons can adjust the alarm distance

Schematic PCB

[Training Camp_Advanced Class] WiFi Smart Socket

Introduction: Wi-Fi smart socket.

Schematic PCB

[Physical product verified] Lite version of STM32F103RE development board

Introduction: This is a streamlined version of the STM32 development board that is suitable for business trips.

Schematic PCB

[Physical product verified] STM32 Weixue ink screen driver board

Introduction: Ink screen driver board based on STM32

Schematic PCB