Electric racing car - DC motor car motor driver board suitable for MSP432

Introduction: The motor driver board I previously made for an electric racing car includes current detection, two-way H-bridge, and battery charging circuit.

Schematic PCB

S4.7A bidirectional brushed ESC

Introduction: 7A bidirectional brushed ESC, maximum 13A, continuous 7A

Schematic PCB

S1. Loli generation remote control

Introduction: Loli Generation’s open source remote control

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Allwinner D1s

Introduction: Quanzhi D1s

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BGT60 floor

Introduction: Compatible with MCU7

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CRSF_TO_PWM12

Introduction: 0402 package 12-channel PWM conversion output

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Puppies based on Hi3861 and PCA9685

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F401 master control

Introduction: STM32F401RCT6 is the smallest system, the four-layer board has better effect, and the RTC clock, VBAT pin, and IO port are all lead out. The size is only 4*4cm, which is relatively compact and can be used with various baseboards. There are buttons and LEDs on the board, and simple debugging can also be implemented independently.

Schematic PCB

Raspberry Pi pico RP2040 development board

Introduction: RP2040 development board, all IO leads out, verified, NOR FLASH compatible with DFN8 and SOP8. Use AD to draw, personal non-profit. The board and patch verification has been completed.

Schematic PCB

The official forum is a relatively easy-to-use CH55xT development board.

Introduction: CH55x is a 51 microcontroller with USB from WCH. Known as the cheapest USB interface microcontroller. This development board is compatible with a total of 4 models of CH55x. All IO leads are verified. Use AD to draw, personal non-profit. The board and patch verification has been completed.

Schematic PCB

SnaillPI_v3x

Introduction: This is a small computer based on Quanzhi V3x

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EG1163 Electric constant voltage and constant current synchronous rectifier

Introduction: EG1163 power module

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Computer status display based on STM32

Introduction: A computer status display instrument (CPU, RAM) based on STM32 microcontroller.

Schematic PCB

51 microcontroller development board

Introduction: A 4-layer 51 microcontroller development board that integrates multiple practical modules (not including programs). Its completeness is second only to Puzhong’s official development board. It has a smaller area and is suitable for basic learning of microcontrollers. The cost of making the board yourself is slightly higher.

Schematic PCB

PyramidRadio

Introduction: FM radio controlled by microcontroller. Based on TEA5767 (including power amplifier circuit) + LCD5110 + rotary encoder +51. External small speakers.

Schematic PCB

Super mini T12 soldering station

Introduction: The ultra-mini T12 soldering station with Typec interface is about the same size as a lipstick. It has practical functions such as one-click power on, double-click power off, OLED display, adjustable temperature, memory setting temperature when power is off, and self-sleep function. The layout is relatively dense and requires a little welding ability.

Schematic PCB

STC12 simple learning board

Introduction: An STC12 board drawn when working on CDIO

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NRF24L01 wireless handle

Introduction: NRF24L01 wireless controller developed based on STM32F103C8T6

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STM32F103C8T6-2.0

Introduction: The STM32F103C8T6-2.0 development board is separated from the STM32F103C8T6 development board project for easy viewing.

Schematic PCB

DAP-LINK

Introduction: The privately customized version of DAPlink emulator supports TYPE C and Micro-B data line interfaces, strengthens 3.3V power output, and adds ESD overvoltage and overcurrent protection and other functions.

Schematic PCB