![]() ![]() ![]() Why are PCBs green? That’s actually the solder mask showing up through the fibreglass core of the board. These copper circuits, also known as signal traces, electrically connect and mechanically support other mounted components on the board. Substrate: /ˈsəbˌstrāt/ an underlying substance or layer. This non-conductive substrate sandwiches copper circuitry that actually makes up the circuits the boards are named after. ![]() Printed circuit boards are typically made from laminated composite material. Here’s our printed circuit board component tutorial, with lots of information and pictures to help you identify those individual parts. And many of the best aren’t even available online anymore unless you know how to use some special tools (Wayback Machine to the rescue!)īut rather than complain about this state of affairs, we decided to create our own tutorial to fix it. Luckily, there are resources that can help. After working with thousands of PCBs, we understand. If you’ve ever tried to work on your own PCBs, or printed circuit boards, you may have experienced the frustration of looking at a part and not knowing exactly what it is. It can be hard to identify all the components on printed circuit boards (PCBs). ![]()
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