| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | UCS1912 | 12-way LED driver circuit www.icdemi.com 12 路 LED 驱动电路-UCS1912 1. 2. 概述：UCS1912 是 12 路 LED 驱动电路，通过外围控制器可实现该电路单片灰度及级 联控制，广泛用于户外大屏幕，护栏管，装饰灯条等彩色点阵发光系统。 特点： z 输出口耐压高达 40V z 芯片内置稳压管 z 256 级灰度调节 z 单根信号线级联 z 数据信号� |
 TR |
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| 1 | UCS1912B | 12-channel LED driver 12 通道 LED 单线级联驱动电路 UCS1912B 产品概述 UCS1912B 是 12 通道 LED 驱动控制专用电路，内部集成有 MCU 数字接口、数据锁存器、LED 高压驱 动等电路。通过外围 MCU 控制实现该芯片的单独辉度、级联控制实现户外大屏的彩色点阵发光控制。产 品性能优良，质量可靠。 功能特点 l 单线数据 |
 UCS |
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[1]
List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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