PCF85063AT-ARD: Arduino Shield -I ² C bus

FRDM-K22F-AGMP03: Sensor Toolbox development board for 10-axis solution using FXLS8962AF, FXAS21002C, MAG3110 and MPL3115A2

OM5579: Development kit for the PN7150 plug-and-play NFC controller

Maivin AI Vision Starter Kit

KIT09XS3400EVBE: Evaluation Kit - MC09XS3400, Quad Channel High-Side Switch

TWR-MC36XSDEVB: Embedded Component: 36V Tower ^{System eXtreme Switch Module}

PCA9957HN-ARD: Arduino Shield board

KITFS5600FRDMEVM: FS5600 Evaluation Board

KITFS5600SKTEVM: FS56 evaluation board (with socket)

PCA9959HN-ARD: Arduino^® Shield Board

PIN Pad POS Solution

Linux ^® POS Card Reader

RDDRONE-T1ADAPT: Ethernet media converter for drones, rovers, mobile robots and cars

ESP32-CAM-WEB camera

Modified from the ESP32 Arduino routine "CameraWebServer" 1. Treat ESP32 as a web server. You can see the camera monitoring screen and control it through browser access. 2. Mainly change the web page from English to Chinese and delete some functions. 3. Added control functions for servos, motors, relays, and LEDs. 4. Through this program, you can easily create a wireless reconnaissance robot with ESP32.

Schematic PCB

Unicycle self-balancing robot produced by Zhihuijun

This little robot is called ONE, which is actually a work UP made when he was in school five years ago. After finishing it that year, I never had time to sort out the materials. During this period, many classmates came to ask me questions related to this project. This time, I simply uploaded the materials to Github and made them open source. Open source information includes the source code of the STM32 main control and the 3D model files of the mechanical structure. The circuit source files can no longer be found due to their age. Students with basic knowledge can study it by themselves~

Schematic PCB

GitHub developers make their own Mars rover, and the tutorial is fully open source

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Schematic PCB

Zhihuijun open source super mini smart NFC card (schematic diagram, PCB, source code, etc.)

With electronic ink screen, can simulate various IC cards

Schematic PCB

Open source writing machine design

The author introduces the classic corexy structure writing machine.

Schematic PCB

IndyMill: Open source DIY metal CNC machine tool

IndyMill is an open source DIY CNC machine

Schematic PCB

Jlink V9 DIY High Speed ​​SWD

The Jlink OB made by F072 has a maximum speed of 3000kHz, and the Jlink V9 has a maximum speed of 12000kHz.

Schematic PCB