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497 articles 9 commentsGuide to UL Wire Specifications & Standards
Who is UL ?The UL enterprise is a global private safety company headquartered in Northbrook, Illinoi…
How to Choose the Right Wire Stripper Tool?
剥线钳是弱电工程师、内线电工、电动机修理、仪器仪表电工及电子制作爱好者常用的工具之一，用来供操作者剥除电线头部的表面绝缘层。剥线钳可以使得电线被切断的绝缘皮与电线分开，可以在不损坏内部金属线层的情况下…
CODE | Arduino UNO MP3 Player
Arduino UNO Mp3音乐播放代码今天我们将使用Arduino UNO 和SD卡制作音乐播放器。这个播放器不需要添加多余的模块，只需要SD读卡器和Arduino UNO开发板就可以播放音频文件…
Identifying Color-Band Resistors and Reading Their Values
色环电阻的识别与数值读取色环电阻是在电阻封装上（即电阻表面）涂上一定颜色的色环，来代表这个电阻的阻值。色环实际上是早期为了帮助人们分辨不同阻值而设定的标准。色环电阻应用还是很广泛的，如家用电器、电子仪…
Books Exploring Arduino Book by Jeremy Blum
Exploring Arduino uses the popular Arduino microcontroller platform as an instrument…
COSO History and 2013 COSO Framework
COSO was established in 1985 to enhance organizational performance and governance through effective…
Air-System Leak Assessment in 12 Steps
Implementing a thorough compressed-air system analysis can eliminate up to 22% of a typical industri…
HELLO RUBY Child Coding
HELLO RUBY儿童编程大冒险儿童编程思维启蒙读本3-6岁：《Hello Ruby儿童编程大冒险》English Version 英文网站 http://www.hellor…