Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I'm planning on building a VU-Meter/Spectrum Analyzer for a car stereo. The case it is to fit into is a standard DIN chassis(50mm tall & 180mm wide). That's the WINDOW, the actual case is a little bigger. There's room to stack 5 rows high, and 34 LEDs across using 3mm LEDs. Each "row" will be a...
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