ARM LQFP64 universal development board

Introduction: This is a general development board for ARM core LQFP64 package MCU. It is suitable for some types of microcontrollers such as STM32 GD32 HK32 N32.

Schematic PCB

ZSC_XXX_V0.3

Introduction: 2.8-inch screen chassis

Schematic PCB

【Tested】STLink V2.1 "Photon"

Introduction: It’s like a work of art.

Schematic PCB

KAZZO patches

Introduction: The 0805 used in the component refers to the 2 Kazzo models that have been released.

Schematic PCB

29 Programmer EEPROM29

Introduction: eeprom 29 series programmer, read and write amic29 mx29 sst39 w29

Schematic PCB

EEPROM28_MS51

Introduction: EPROM programmer based on Nuvoton MS51FB9AE

Schematic PCB

AT28C64B AT28C256 EEPROM programmer

Introduction: AT28C64 AT28C256 Programmer

Schematic PCB

Dehumidifier circuit diagram

Introduction: Dehumidifier

Schematic PCB

loli3

Introduction: 1

Schematic PCB

LED clock

Introduction: STC's 8-bit microcontroller, STC8H1K08-36I microcontroller, is used, and the internal RC oscillator circuit is used to provide the clock. The project idea is to use 74HC595 and DS1302 chips to complete the display of the clock and maintain the normal counting of the clock when power is turned off;

Schematic PCB

Fu Ling teaches you how to make a keyboard (commonly used original components for DIY keyboards)

Introduction: Sharing for personal use. I plan to make a tutorial later, so I called it this name.

Schematic PCB

Fr.40 V1.5

Introduction: If my friends need it, I am too lazy to modify it for the time being, so I will open source it.

Schematic PCB

SimpleFOC driver board for use with ESP32

Introduction: Driver chip LN6234

Schematic PCB

Mini VFD fluorescent digital tube clock

Introduction: The upper display module of a mini VFD fluorescent digital tube clock can also be used for other purposes. The digital tube model is ILC2-12. The price is relatively affordable among tubes produced in Jiangxi. The VFD driver chip uses HV5812 instead of MAX6921.

Schematic PCB

Mini VFD fluorescent digital tube clock lower part module

Introduction: The lower part driver module of a mini VFD fluorescent digital tube clock.

Schematic PCB

GD32E230C8T6 personal development board

Introduction: GD32E230C8T6 self-use development board, capacitor and resistor are 0402, welding is difficult, for reference only

Schematic PCB

ESP32S3 development board based on Essence ESP-S3-12K module

Introduction: ESP32S3 development board based on Essence ESP-S3-12K module

Schematic PCB

Boring_stm32h7_screen

Introduction: Zhongjing Tianyuan’s 1.47-inch LCD screen

Schematic PCB

Very small ST-Link V2.1

Introduction: Keep the layout as symmetrical and beautiful as possible while reducing the size. (2.65*1.2cm)

Schematic PCB

ST-Link

Introduction: The 0402 components on the back are very sinister and are not recommended for direct use.

Schematic PCB