STM32 automatic fire extinguisher (with steering gear)

It can realize automatic search for fire sources and automatic obstacle avoidance functions.

Schematic PCB

51 microcontroller electronic keyboard design

Electronic keyboard design based on 51 microcontroller.

Schematic PCB

CANFDuino: The best platform for open source, CAN-bus Arduino projects

CANFDuino supports CANFD, the latest version of the CAN bus standard, which can accommodate speeds up to 5 Mbps. It has two local ports with DB9 connectors in a housing that can be mounted on your vehicle or installed in your own projects. The platform is designed for tinkerers, hackers, and industry professionals looking for a ready-made, open source CAN bus solution that requires little or no hardware assembly.

Schematic PCB

Digital voltmeter based on microcontroller (circuit diagram)

Digital voltmeter based on microcontroller (circuit diagram)

Schematic PCB

Design color LED lighting based on STM32 NUCLEO board (purely developed by cubeMX)

Design colored LED lighting based on STM32 NUCLEO board (purely developed by cubeMX).

Schematic PCB

MSP430F149+1602 digital display and real-time clock

MSP430F149+1602 digital display and real-time clock

Schematic PCB

2017 Electric Power Competition Question A-Microgrid Simulation System-National First Report + Schematic Diagram + Simulation Document (Changsha University of Science and Technology)

Schematic PCB

10x10x10 LED cube

The project is a cube shaped 10x10x10 LED matrix controlled by a serial interface.

Schematic PCB

Single-chip wireless dual-display answering machine based on AT89S51 (with papers, circuit diagrams, and C language programs)

This design is a system built using AT98C51 microcontroller. The wireless answering terminal uses a combination of PT2262 transmit encoding chip + F05P transmit module (including thesis description, circuit diagram, and C program are complete)

Schematic PCB

Heart-shaped running water lamp program and circuit

Heart-shaped running water lamp program and circuit.

Schematic PCB

Xiaomi gravity sensor remote control

Xiaomi gravity sensor remote control (contains schematic diagram, code)

Schematic PCB

Intelligent non-contact infrared electronic thermometer with voice broadcast

The program is written in C language and contains MLX90614 temperature measurement, OLED driver, and 4004-8 voice chip driver. The entire system is user-friendly. The user can choose voice broadcast or OLED display, low temperature or over-temperature alarm, and forehead skin function. Conversion formula from temperature to real body temperature (the formula has been verified by actual measurements and has high accuracy). The entire system has been verified to be feasible, and the measurement results were compared with electronic thermometers on the market, with an accuracy higher than 98%.

Schematic PCB

Fingerprint password lock based on 51

This design developed a fingerprint recognition electronic password lock system based on a single-chip microcomputer. The system uses STC89C52 microcontroller as the core of the module. It controls the ZFM-60 fingerprint module through serial communication to register fingerprints and store fingerprint data. It displays the comparison process and results through the HS12864-15C LCD, supplemented by DC relays and light-emitting diodes to simulate unlocking. Actions. This system has small size, high cost performance, fast transmission speed, and is suitable for families and organizations.

Schematic PCB

STM8S903 electric controller program and PCB

PCB: EB712ST-LX03-120327 The program has not been verified and looks poorly written. The PCB is worth reference.

Schematic PCB

2018 Electronic Competition Question A-Current Signal Detection Device (Xidian University)

Schematic PCB

Light cube production source code + schematic diagram

Light cube production source code + schematic diagram.

Schematic PCB

JLINKV9 schematic diagram

jlink-v9.5 schematic diagram, you can directly learn the JLINK principle

Schematic PCB

Hackbat: Open source hacker hardware platform based on RP2040, penetration testing tool

Schematic PCB

Design program of password lock based on microcontroller

51 microcontroller password lock LCD display

Schematic PCB

Smart car Smart car based on 51 microcontroller (tracking, obstacle avoidance, remote control, ranging, voltage detection)

Smart car Smart car based on 51 microcontroller (tracking, obstacle avoidance, remote control, ranging, voltage detection)

Schematic PCB