(Third Prize in ST Competition) Ultrasonic Selfie Artifact

(Third Prize in ST Competition) Ultrasonic Selfie Artifact.

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

51 single chip electronic thermometer

51 single chip electronic thermometer

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

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

Tracking car + simulation

Tracking and obstacle avoidance based on proteus.

Schematic PCB

Digital ammeter production + schematic diagram + program

Digital ammeter production + schematic diagram + program

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

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

Stepper motor module (design plan + programming)

Stepper motor module (design plan + programming)

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

Open ECU control module

Schematic PCB

Thermometer MLX90615-STC89C52

Very good reference document. MLX90615 communication value, lcd1602 display, 51 driver

Schematic PCB

Magnetic levitation system based on STM32F407

Support revolution, fixed height, side floating

Schematic PCB

AVR quadcopter flight control

The flight control source code of the Wolf quadcopter has been verified and can be found on Taobao. It flies normally and is based on the AVR microcontroller, which is very helpful for flight control research.

Schematic PCB

ANAVI Macro Pad 2: Open Source Programmable Two-Button Mechanical Keyboard with Backlight

Every key on the ANAVI Macro Pad 2 can be reprogrammed to be used as a macro or even as a dedicated shortcut key, making it ideal for many applications in a variety of industries.

Schematic PCB

One-handed aircraft somatosensory remote control based on sensortile

Use sensortile to make a somatosensory one-handed drone remote control, which can control the flight of the drone in various postures. It uses ppm control during simulated flight and 2.4G control during actual flight. The file is an mdk project, the chip used is stm32l4, and it has been tested on the simulator.

Schematic PCB

Biped robot source code

The source code is written by myself as a C program. The robot does not walk very smoothly and requires the joint efforts and improvement of robot enthusiasts.

Schematic PCB