SEEWO OPS built-in PC module MT11 boot card

Introduction: Can turn your OPS module into a home computer

Schematic PCB

【Call for submission】PS2 interface keyboard and mouse to Bluetooth

Introduction: Use esp32-c3 module or esp32-s module to convert ps2 keyboard and mouse to bluetooth keyboard and mouse

Schematic PCB

NS1081S_U disk_BGA153/221/254

Introduction: usb3.0 emmcu disk main control board designed by NS1081S main control

Schematic PCB

Meow Meow Thermal Printer V4.1_Program Optimization

Introduction: Use ESP32 module to make a thermal printer compatible with multiple print heads

Schematic PCB

Laowang's 00795-MF1-B 12864 OLED screen module

Introduction: I don’t know who designed OLED. . . Although it is SSD1306, it has an external vcomh voltage. . .

Schematic PCB

[Training Camp] Ordinary Hongmeng Robot Dog

Introduction: The training camp’s mechanical dog was made using the prostitute school’s laser cutting machine. Unfortunately, I forgot to bring the screws, so I simply used hot melt glue.

Schematic PCB

CP2108 USB to 4-way uart serial port module

Introduction: USB to 4-way uart serial port module using CP2108 chip

Schematic PCB

AU6438_USB2.0 write-protected EMMCU disk/card reader

Introduction: AU6438 is the emmcu disk main control board with the main chip. Currently, there is only the bga153 version
AU6438 is the usb2.0 card reader with the main chip.

Schematic PCB

15V power amplifier circuit for training

Introduction: 15V powered Walkman speaker

Schematic PCB

【Training Camp】Robot Dog

Introduction: A bouncing mechanical dog

Schematic PCB

LED running water lamp

Introduction: With the progress of the times, the emergence of this fruit knife with running water lamp function has filled the gap of not being able to see the running water lamp when peeling apples (dog head saves life)

Schematic PCB

matrix clock

Introduction: Refer to https://oshwhub.com/350508a/1588AURju-zhen-shi-zhong. Magically change the size to make it white.

Schematic PCB

STM32RCv2

Introduction: STM32F103RC/405RC demo version, onboard DAPLink.

Schematic PCB

M482SIDv2

Introduction: Nuvoton M482 demo version, onboard DAPLink.

DAPLink uses firmware open source: https://github.com/XIVN1987/DAPLink

Schematic PCB

DAPLink

Introduction: DAPLink based on Nuvoton M482

Schematic PCB

【Yatelian】Two-way smart switch

Introduction: A two-way wireless smart switch designed based on the Yatelian CB2S wireless WIFI module.

Schematic PCB

OLED Smart Watch

Introduction: This smart watch is made of STC15W408AS microcontroller, with alarm and calendar functions.
It has touch buttons and can also be controlled by sending messages through the serial port.

Schematic PCB

Gesture recognition system based on FDC2214

Introduction: The gesture recognition of this device uses STM32 chip as the main control chip, which is mainly composed of FDC2214 measurement module, Bluetooth communication module and LCD display module. The system can recognize three types of guessing gestures and five digital gestures, and also implements guessing games and simple calculator functions for human-machine battles.

Schematic PCB

[Training Camp] Wa Weili, who has a robotic arm

Introduction: A four-legged bionic robot dog based on the HI3861 Hongmeng system control, and uses the ASR speech recognition module for voice control. The dog has a built-in STM32 minimum system and OpenMV camera for object recognition and information feedback. Who would say no to an obedient little Gogou! ! !

Schematic PCB

Eddy current ranging reserve temperature detection

Introduction: A board with inaccurate ranging

Schematic PCB