Two-wheeled self-balancing trolley msp430g2553

It has been verified that the car can stand upright after adjusting the parameters.

Schematic PCB

Conexio Stratus: a tiny, powerful, versatile cellular IoT prototyping platform (schematics, firmware, manuals, etc.)

The Conexio Stratus is a small (50.8mm x 22.86mm) yet powerful development kit for creating cellular connected electronics projects. It runs the best-in-class Zephyr RTOS for connected devices and is a battery-powered platform ideal for prototyping cellular IoT systems such as asset tracking applications, environmental monitoring, smart meter monitoring, and more. Equipped with Nordic nRF9160 System-in-Package (SiP), it supports LTE-M, NB-IoT and Global Positioning System (GPS). Stratus has two external U.FL antennas onboard, one for GPS and one for LTE-M/NB-IoT, enabling it to support LTE bands worldwide.

Schematic PCB

Intelligent time control switch based on 51 microcontroller 12232 display

This product has been verified for use and is the best stable program after debugging.

Schematic PCB

2018 Electronic Competition Question D-Gesture Recognition Device (Shandong University)

Schematic PCB

2021 Electric Competition F Question Intelligent Drug Delivery Robot (National Second) Open Source Tutorial + Openmv End Code + Main Control Code

Schematic PCB

51 single chip stepper motor

Stepper motor source code.

Schematic PCB

Smart car source program + very detailed

Smart car source program + very detailed

Schematic PCB

Agilent power supply schematic diagram

The complete circuit diagram can be used directly for circuit design reference. Simple CNC DC power supply, core power circuit part. Including AC and DC input parts, the pre-voltage regulation part is helpful for dispersing the heat of power devices; input and output protection, startup delay, communication functions; voltage control, current control, overvoltage and overcurrent protection;

Schematic PCB

(Third Prize in ST Competition) Ultrasonic Selfie Artifact

(Third Prize in ST Competition) Ultrasonic Selfie Artifact.

Schematic PCB

Speeduino Open Source ECU: Arduino-based engine management

The Speeduino project is a flexible, fully-featured engine management system (EMS aka ECU) based on the low-cost open-source Arduino platform. It provides the hardware, firmware, and software components that make up an engine management system, all under an open license. With over 1,000 installations, Speeduino has evolved into a product that meets the needs of the hobbyist and enthusiast community without the price tag of a traditional aftermarket ECU.

Schematic PCB

2019 National Electronic Design Competition Title A Province One Code (Dynamic Wireless Charging System for Electric Cars)

Schematic PCB

Magnetic levitation system based on STM32F407

Support revolution, fixed height, side floating

Schematic PCB

Stepper motor module (design plan + programming)

Stepper motor module (design plan + programming)

Schematic PCB

2018 Electronic Competition Question D-Gesture Recognition Device (First Prize in Hebei Province)

Schematic PCB

Protues simulation example (8051)-PWM control LED brightness simulation program.rar

Protues simulation example (8051)-PWM control LED brightness simulation program.rar

Schematic PCB

Electronic clock (with temperature measurement function) with schematic diagram and source program

Electronic clock (with temperature measurement function) based on 51 microcontroller comes with schematic diagram and source program. The main functions include: time, alarm clock, hourly time, and temperature.

Schematic PCB

Packaging line cumulative counter with shutdown memory

The cumulative counter of the packaging line made using a single-chip microcomputer has the function of saving the count value after shutdown and controlling the start/stop of the conveyor belt motor. The circuit is simple, reliable and practical.

Schematic PCB

Tracking car + simulation

Tracking and obstacle avoidance based on proteus.

Schematic PCB

Infineon XC866 electric vehicle schematic PCB diagram program

A complete electrical schematic diagram and program for an electric vehicle based on the Infineon XC866 microcontroller. I have tested it on an electric vehicle and it runs normally.

Schematic PCB

Digital ammeter production + schematic diagram + program

Digital ammeter production + schematic diagram + program

Schematic PCB