Thermometer MLX90615-STC89C52

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

Schematic PCB

2021 Undergraduate Electronic Design Competition G-Title Second Grade Work (Plant Protection Aircraft)

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

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

Based on AT89S51 digital electronic code lock

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

Schematic PCB

2019 Electronic Competition Question A-Wireless Charging Car Design Plan and Report (National First, Hohai University)

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

Mini quadcopter KK flight control source code

Mini quadcopter flight control source code program, if you are interested, you can take a look.

Schematic PCB

2019 Electronic Competition Question C-Circuit Load and Fault Detection Device-Design Report (National Secondary School, Southeast University)

Schematic PCB

Protues simulation example (8051)-H type motor drive

Protues simulation example (8051)-H type motor drive

Schematic PCB

Open source lab-grade automated microscope

Infrared barrier smart car

It is a good learning material for students studying microcontrollers and smart cars.

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

Proteus simulation example (8051)-stepper motor control

Proteus simulation example (8051)-stepper motor control.

Schematic PCB

The second prize source program of the 9th Freescale South China Optoelectronics Group is the program used in the competition without reservation.

It must be 10 points. This is the result of my three months. It is a program for competition. You can download it. If you don’t understand, you can ask.

Schematic PCB

Open source planet exploration vehicle releases V2.0 version

Schematic PCB

Internet of Things smart home solution-based on Nucleo-STM32L073&Gizhiyun.zip

Using the third-party cloud platform Gizwits, we created an IoT application system based on ultra-low power consumption Nuleo STM32 L073

Schematic PCB

2020 Electronic Competition Question F-Simple non-contact temperature measurement and identification device (Anhui Division)

Schematic PCB

BeanCounter: Simple, battery powered, pocket-sized open source parts counter for 8mm cut tape and partial reels (schematics, source code, etc.)

BeanCounter is a pocket-friendly SMT parts counter. Powered by a CR2032 coin cell battery, it uses two infrared photointerrupters to count parts as quickly as possible. It works with any opaque, 8 mm wide carrier tape up to 2 mm, and it covers most 0805 or smaller LEDs and passives, as well as SOT23 transistors.

Schematic PCB

Ultrasonic car three-way ultrasonic

Ultrasonic car three-way ultrasonic detection obstacle avoidance obstacle competition dedicated carbon-free car electronic design competition

Schematic PCB