kitchen electronic scale

Introduction: Use the relevant open source function modules of the Lichuang open source community technology team and Lichuang EDA to design and develop your own kitchen electronic scale

Schematic PCB

STC32G12K128 minimum system

Introduction: STC32G12K128 is the smallest system. The microcontroller is independently powered, all IOs are fan-out, USB direct connection download, comes with 3 sets of buttons + 2 sets of LEDs for easy debugging, and comes with a second 3v3 channel for debugging.

Schematic PCB

opendoor-fingerprint

Introduction: Dormitory fingerprint door opening circuit

Schematic PCB

Webcam voice car

Introduction: Controlling the car through the voice of the camera, a failed project

Schematic PCB

jidianqi

Introduction: efsef

Schematic PCB

asdasdas

Introduction: sadasfasdasds

Schematic PCB

K thermocouple reader

Introduction: K-type thermocouple cold junction compensation and temperature and voltage display

Schematic PCB

Internet of Things Dot Matrix Clock_Pendant_HUB75 Dot Matrix Screen_stm32

Introduction: A product that includes a variety of clock display animations, perpetual calendar, rolling subtitles, spectrum, Internet of Things control to modify display content, etc., using HUB75 indoor 64*32 screen. I’ll open source what I’m currently working on first, and continue working on it after the exam. I hope you can give me suggestions on what content and functions you hope to add.

Schematic PCB

stm32 heating stage 1.0

Introduction: The stm32 heating table is built using various modules. It is suitable for DIY by a novice like me who is not very good at drawing boards. 1.0 has optimized the interface.

Schematic PCB

[Complete Design] Intelligent epidemic prevention access control based on STM32

Introduction: In view of the current epidemic situation, an intelligent epidemic prevention access control system is designed. This system consists of STM32F103C8T6 microcontroller core board, color screen LCD display circuit, voice broadcast circuit, non-contact temperature measurement sensor circuit, steering gear drive circuit, WIFI module, button circuit and power supply.

Schematic PCB

Intelligent refueling system based on STM32

Introduction: In response to the current increasing demand for vehicle refueling, an intelligent refueling system is developed based on STM32 development technology and sensor technology. The intelligent refueling system should have the functions of fuel quantity control, pricing based on fuel costs, and refueling environment detection. The system can simulate the entire process of car refueling and has the function of remote control

Schematic PCB

[Verified] Arduino O development board

Introduction: Based on Atmega328P, integrated I2C interface 12864OLED and buttons.

Schematic PCB

Remote

Introduction: This remote control is adapted to the four-axis UAV Perfei_Fly project

Schematic PCB

Four-axis drone Perfei_Fly

Introduction: I refer to other open source flight control operations, optimize based on them, and add some new functions. After testing, the flight is very stable.

Schematic PCB

Simple TSOP48 programming socket for RT809H programmer

Introduction: Simple TSOP48 programming socket suitable for RT809H programmer

Arduboy game console

Introduction: Arduboy game console (including Flash, multiple games)

Schematic PCB

attiny85 beta version

Introduction: ATtiny85 test board

Schematic PCB

Loli third generation remote control-Loli mini

Introduction: An ultra-small remote control based on Loli open source, only the size of a lighter, including two pairs of rockers, 3 sliding channels, 5 switch channels, additional voltage display, TypeC charging, TypeC PPM input and output, rocker selection Switch game console joystick, feels good in hand.

Schematic PCB

# Seventh Lichuang Electric Competition# Design of remote control and intelligent maintenance system for breeding farms

Introduction: Farm control that can be controlled remotely

Schematic PCB

[Solicitation Order] Smart Car

Introduction: Smart car, ultrasonic obstacle avoidance, Essence 2.4G module remote control

Schematic PCB