PWM speed regulator

Introduction: 51 microcontroller

Schematic PCB

wyh111

Introduction: Microcontroller

Schematic PCB

STlinkV3_MINI_Adapter board

Introduction: STlinkV3_MINI_Adapter board

Schematic PCB

STM_ENK

Introduction: An ink screen driven by STM8s, which is still in the demo stage

Schematic PCB

brushed motor

Introduction: Intelligent nest-making boat motor

Schematic PCB

12V adapter buck-boost digital display power module

Introduction: It uses a commonly used 12V power adapter as input and can output directly. There are also 2 boost and 2 step-down channel outputs. Touch switch 1 controls the switch, and touch switch 2 controls the digital tube display switching, which can display the temperature value. (over-temperature buzzer alarm, automatic shutdown) and boost/step-down channel voltage value

Schematic PCB

LEDDotScreen

Introduction: Schematic diagram and PCB diagram of 16X16 dot matrix module LED dot matrix screen

Schematic PCB

DSP tuning BP1048 mountain view chip

Introduction: Mountain View DSP1048 integrates high-function multi-

Schematic PCB

(Personal-minimum system)STM32F103C8

Introduction: STM32F103F103C8T6

Schematic PCB

cloud breathing lamp

Introduction: The third prize of the 2022 Guangzhou City Polytechnic School of Electrical Engineering Electrical and Electronic Breathing Lamp Design Competition

Schematic PCB

NAZE32 flight control

Introduction: Two NAZE32 flight control boards, flashing Betaflight flight control firmware, can be used to make 2/3/4/6 rotors

Schematic PCB

[Verified] Arduino development board (ATMEGA328P-MU)

Introduction: Arduino development board based on ATMEGA328P-MU microcontroller, similar to NANO/PRO MINI/UNO development board.

Schematic PCB

Chen Xiangjun

Introduction: Assignment 1

Schematic PCB

Laowang 0.8 yuan 128x32 OLED display adapter board

Introduction: Laowang’s 0.8 yuan 128x32 OLED screen adapter board screen base model BM20B (0.8)-24DS-0.4V (51) provides a stm32f103c8t6 screen driver (based on Zhongjingyuan Electronics’ 0.87-inch OLED modification)

Schematic PCB

Electrical Competition Topic - Infrared Communication

Introduction: The electronic competition topic, infrared communication transmission, has basically completed the function. There are several shortcomings. One is that the current of the transfer station is relatively large. Due to the limitation of stm32ADC, the receiving frequency is unstable around 2k.

Schematic PCB

EVB_SY8809

Introduction: SY8809 EVB test board

Schematic PCB

Engraving machine 2.0

Introduction: STM’s writing machine supports laser firmware but I’m still working on it myself.

Schematic PCB

PL5501 module

Introduction: 10A output buck module based on PL5501 synchronous four-tube buck-boost controller

Schematic PCB

loli control panel

Introduction: COPY FROM: https://oshwhub.com/x309804917/luo-li-yao-kong-qi12-tong-daov1-1-zhi-cha Loli control 12 channels. To be verified

Schematic PCB

STM32F030R8T6 minimum system

Introduction: Ultra-small STM32F030R8T6 minimum system

Schematic PCB