STM32G070CBT6 minimum system core board

Introduction: This project is the STM32G030CBT6 minimum system.

Schematic PCB

USB switch, one device can be connected to two hosts

Introduction: A USB switch made using CH440+51 microcontroller. KVM does not have V. You can connect a USB device to one of the two hosts and use the button to switch the host.

Schematic PCB

stm32 motor driver

Introduction: stm32 motor driver

Schematic PCB

Tactile Rubik's Cube and Pulse Summary

Introduction: Read the piezoresistive sensor signal, amplify it, and communicate using Bluetooth

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Automatic winding machine based on Mega2560 and TB6600

Introduction: This is a project to automatically wind the electronic rotor. The microcontroller solution is arduino mega2560. The motor drive solution is Toshiba's TB6600, and the alternative solution is Trinamic's MTC2160.

Schematic PCB

STM32F103Z_BGA core board

Introduction: STM32F103Z_BGA package core board

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F429

Introduction: Wildfire F429 minimum system backplane expansion board
IO rearranged in order

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Vllink Lite Pocket Edition

Introduction: A simplified version of Vllink Lite, retaining SWD and UART functions and reducing the PCB area. Using GD32F350G8U6 solution

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STM32G030F6P6 core board

Introduction: Click screen artifact?

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STLink V2.1/DAPLink with DC-DC power supply

Introduction: DAPLink debugger, using USB-C interface, leading out SWD, UART, SWO and MCO pins

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Fast charging protocol simulator based on CH224K

Introduction: Use CH224K to simulate fast charging protocol and use the charging head to output multi-level voltage. With output switching function, the output is turned off by default when power is turned on to prevent direct output of high voltage from damaging the equipment.

Schematic PCB

Chasing the chicken head

Introduction: Chasing Chicken Heads

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Serial port probe programmer-with TR sequence switching switch

Introduction: Serial port download and debugging probe module, with TX and RX switching switches, probe pitch 2.54mm

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Nucleo Development Board

Introduction: STM32F411 Minimal System Board

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NO.1 shipinjiaoxue_d_danpianji

Introduction: STM32F411 system expansion board

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3D printer control board SKR MINI E3V2_lite version

Introduction: This project is modified based on the SKR Mini E3 V2.0 schematic diagram. SKR Mini E3 V2.0 is the officially recommended version of the klipper controller for the Voron V0.1 3D printer.

Schematic PCB

F4 flight control-adapted to DOBBY four-axis brushless frame

Introduction: F4 flight control adapted to DOBBY four-axis brushless frame

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3D printer klipper control board Mini E3S6

Introduction: It’s coming! The small size / low cost / 6-axis 3D printer control board that can flash Klipper firmware is here!

Schematic PCB

【Internet of Things】Hongmeng Smart WiFi Switch

Introduction: Use Hongmeng Hi3861 chip combined with servo to realize remote control of physical switches in home or dormitory, making people more relaxed

Schematic PCB

Dimmable light STM8

Introduction: The PWM wave is output through STM8, and then the brightness of the LED light is controlled through the change of the ADC sampling value. When the light is strong, the brightness of the LED light becomes weaker, and when the light is weak, the brightness of the LED light becomes stronger.

Schematic PCB