linux development board PCB

Introduction: Refer to https://oshwhub.com/AmateurEEWEI/Embedded-Linux-validation-board#P3 schematic design. Thank you for sharing.
In order to challenge the wiring speed, I did not pay too much attention to the rules.

Schematic PCB

HUIMAOSHENTAN223

Introduction: An stm32 is mainly used as a motherboard for intelligent IoT and other aspects. It has multiple interfaces, such as Bluetooth, WIFI and other communication methods.

Schematic PCB

Loli dual-channel unidirectional brushed 1S power supply ESC

Introduction: Loli dual-channel one-way ESC

Schematic PCB

STC44ToPDIP40 (to be verified)

Introduction: Convert the 44pin STC microcontroller to PDIP40pin. 2 LEDs provided: Power and P55 IO.
Support USB direct download. It is intended for students who already have experimental boxes and chips.

Schematic PCB

2021 Question C-Three-port DC-DC converter + waveform adjustment is not in line

Introduction: Electric Competition C Three-Port DC-DC Converter

Schematic PCB

Mini_ODrive_F411_FD6288

Introduction: A streamlined version of ODrive

ad0831 convert 5v voltmeter

Introduction: STC89C52RC microcontroller and adc0831 5v voltmeter

Schematic PCB

6-way USB power distributor + power meter OLED display

Introduction: A compact 6-way USB switch, + power meter OLED display.

Schematic PCB

TYPEC input adjustable power supply

Introduction: type-c input, up to 20V5A 100W buck-boost adjustable power supply

Schematic PCB

STM32L431 core board

Introduction: As the title says, STM32L431Rx, LQFP64 core board

Schematic PCB

YLZhang

Introduction: Testing

Schematic PCB

[Solicitation Order] Simple underwater acoustic communication device

Introduction: A simple underwater acoustic communication device that uses frequency shift keying (2FSK), works with 40KHz and 20kHz as carrier waves, and transmits unicode-encoded text signals.
The project is simple. It is the first time for a novice to make water sounds. I hope you guys can give me your criticisms and corrections.

Schematic PCB

42 closed loop steps

Introduction: A 42 stepper motor closed loop driver board

Schematic PCB

RM2022 Supercapacitor Project-Open Source Project

Introduction: RM2022 supercapacitor management bidirectional DCDC

Schematic PCB

2021 Question F - Smart medicine delivery car + the team with a weird name can win the prize

Introduction: Topic F of the 2021 National Electronics Competition: Intelligent Medicine Delivery Car. The image processing part is the H750 core board equipped with OPEMMV, the main controller is the F401 microcontroller, and the motor drive, power module and other parts.

Schematic PCB

[Minimum system] STC32G12K128

Introduction: STC has launched a 32-bit microcontroller, compatible with STM32 small blue board design, simple yet exquisite, a good helper for STC32 learning.

Schematic PCB

Mini51

Introduction: Design of electronic perpetual calendar of 51 microcontroller DS1302

Schematic PCB

XGM_MSboardA

Introduction: STM32F103RCT6 main control board
serial port PWM CAN I2C GPIO

Schematic PCB

STM32F031C6T6_COR02

Introduction: The development board of STM32F031C6T6 has 3 LEDs, 2 button interfaces reserved for USART I2C SWD download and an NRF wireless communication interface. Onboard TYPEC power supply 6P and CH340C (CH340G is shown in the picture)

Schematic PCB

Simple 2.4G wireless car

Introduction: Use STM32F031C6T6 to receive 2.4G wireless information and use PWM to control four motors, differential forward transmission, reverse rotation, etc.

Schematic PCB