stc89c52rc minimum system board

Introduction: stc89c52rc minimum system board;
no downloader part, but the interfaces have been brought out;
it has been used as the core part of the microcontroller car!

Schematic PCB

Smart building fire protection system based on Huawei LiteOS

Introduction: This project is a smart building fire protection system based on Huawei LiteOS. The main technologies include sensors, LiteOS, NB-IoT, 2G, Huawei Cloud, etc. Developed based on the Bear School smart smoke sensor case.

Schematic PCB

AS5047 high precision magnetic encoder

Introduction: In order to build a test platform for Odrive, an AS5047 encoder was designed to adapt to various hole position installations.

Schematic PCB

Multimedia keyboard based on atmega32A

Introduction: The 13-key one-knob keyboard based on atmega32A
is produced using the QMK firmware reference https://oshwhub.com/Yomen/atmega32a-with-v-usb

Schematic PCB

zynq_mini_pi_S

Introduction: A development board based on ZYNQ7010, with the same size and interface as the Raspberry Pi.
The board has the same interface as the Raspberry Pi, four USB2.0, Gigabit Ethernet, one HDMI, one power interface, and one debugging Serial port, one programming port, one SD card interface, and a set of GPIO.

Schematic PCB

2021 D Topic - Internet-based camera measurement system + yyds team

Introduction: This design is based on the principle of image recognition and designs an Internet-based camera measurement system. The system uses Raspberry Pi as the core processing terminal, and realizes a star-shaped interconnection network through a 100M Ethernet switch and two camera nodes to complete the measurement and real-time display of the swing angle and length of the fishing line and laser pen combination.

Schematic PCB

The most beggar keyboard set modification

Introduction: The modified "drawing board is like eating lettuce" boss's 17-key touch keypad and 61-key keyboard added a little of his own ideas

Schematic PCB

CH552G development board

Introduction: CH552G development board

Schematic PCB

STC32G12K128-LQFP48

Introduction: STC32G12K128-LQFP48 minimum system core board

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[Verified] Microcontroller Register Experimental Board

Introduction: Simple model, verified, for learning microcontrollers

Schematic PCB

Xiaohuangyao’s cheapest 2.13 three-color ink screen driver board

Introduction: Xiaohuangyao’s cheapest three-color ink screen driver board

Schematic PCB

stc8g1k08 system board

Introduction: STC8G1K08-38I-TSSOP20 system board

Schematic PCB

CPLD-EPM240-STC8G1K08 learning board

Introduction: EPM240T100C5N CPLD learning board
Note: JTAGE is not connected to the pull-down resistor, but it can be downloaded for personal testing. Not compatible with EPM570, please pay attention to the chip model.

Schematic PCB

mmdvm_hs_dual_hat duplex board

Introduction: mmdvm_hs_dual_hat duplex board, which can realize mmdvm communication. It has been verified and can be printed directly.

Schematic PCB

STM32F407ZGT6 minimum system board

Introduction: STM32F407ZGT6 minimum system board.

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USB2Serial V2.0

Introduction: Multifunctional USB to serial port module (TTL, RS232, RS485)

Schematic PCB

USB-Blaster

Introduction: usb-blaster downloader

Schematic PCB

I have a bad idealast

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

Schematic PCB

I have a bad idea

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

ATmega32A with V-USB

Introduction: The verification core board of ATmega32a and V-USB is used to verify QMKfirmware. You need to burn the bootloader of USBasploader first, and then use qmktoolbox to burn the firmware file.

Schematic PCB