USB cable organizer V3

Introduction: There are too many USB cables, please store them away

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Universal CH340 download circuit

Introduction: Very commonly used STC microcontroller downloader/USB to serial port module

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STC8H8K64U-LQFP48 core board

Introduction: STC8H8K64U-LQFP48 core board

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STC32G12K128 core board-LQFP64 open source

Introduction: STC32G12K128-LQFP64 core board. Verified

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Three-digit LED digital tube

Introduction: Three-digit LED digital tube module, size 48mm*96mm

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Horizontal double board connection test

Introduction: This project is a test PCB project file for a horizontal double-board connection unit. The test file is only for further optimization of splicing. Currently, it has a more complete structure.

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RGB5050 dot matrix-74HC595

Introduction: [Four-layer board] uses 5050 packaged RGB, not WS2812. This is for destocking.
The cover is packaged in 3528

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Make ordinary buttons light up

Introduction: Make ordinary buttons light up

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PCB desk mat

Introduction: PCB table mat, with a 1cm grid and concentric circle pattern on the board

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Universal dot screen PCB design

Introduction: The universal dot screen panel can light up most screens. The advantage is that it does not require Dupont wires and flying wires.

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Meteor Shower Light Bar-TM1827 Open Source Sharing

Introduction: Meteor Shower Light Bar-TM1827

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LED24X8 dot matrix

Introduction: LED 24*8 dot matrix module, PCB size is within 10cm, can be directly cascaded.

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LED24X23 dot matrix light board

Introduction: Dot matrix plus buttons, can develop small games. But it has not been developed yet.

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LED luminous character board

Introduction: LED luminous character board, can be spliced ​​structure, fixed display content you need

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LED dot matrix 24X32 cascade screen

Introduction: 10 595s directly drive a 24*32 dot matrix. Two cascades give a 48*32 resolution.

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LCD1602 frequency meter open source

Introduction: LCD1602 frequency meter design, this is a multi-functional LCD1602 development board.

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HQFP32-STC8H8K adapter board

Introduction: HQFP32: Huge QFN32, this PCB is customized for STC8H8K-LQFP32 package

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5th order light cube-10cm

Introduction: A fifth-order light cube with a size of 10*10*10cm can be made in one sample.

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40PIN screen adapter board

Introduction: 40PIN screen adapter board can adapt to 10 screen spacings within 0.5-1.27mm. Maximum number of PINs is 40

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[Pin header memory] 32Byte memory

Introduction: [Pin header memory] 32Byte memory, verified

Schematic PCB