Freescale smart car CCD program

Freescale smart car CCD program

Schematic PCB

Prototype boards for ESP8266, ESP32 and ESP32-S2 modules

This is a prototype board for use with ESP8266, ESP32 and ESP32-S2 modules. The board is divided into areas that can be cut and then put together to build advanced IoT prototypes. After cutting as shown in the picture, you can start assembling the IoT device.

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2018 Electric Competition Question B-Fire Fighting Aircraft (Xiamen University)

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51 single chip electronic thermometer

51 single chip electronic thermometer

Schematic PCB

Based on ST ST25RU3993 unmanned convenience store ultra-high frequency UHF RFID reader solution

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

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.

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Digital ammeter production + schematic diagram + program

Digital ammeter production + schematic diagram + program

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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.

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Tracking car + simulation

Tracking and obstacle avoidance based on proteus.

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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.

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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

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.

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WM8960 High-Definition Sound Card for Raspberry Pi

Schematic PCB

Based on AT89S51 digital electronic code lock

Digital electronic combination lock. Based on chip AT89S51. Choose LED to display the results. Contains circuit diagram

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

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Stepper motor module (design plan + programming)

Stepper motor module (design plan + programming)

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Thermometer MLX90615-STC89C52

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

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