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...
Hello All,
Lately, I have been working on building a replacement for a somewhat rare cable assembly for communicating between a HP 141T/8555A/8552 mainframe spectrum analyzer and a HP 8445B "Automatic Preselector" add-on box, and I thought I would document my work here for others to follow.
A...
Here is a Music Spectrum using NeoPixel RGB LED Matrix and ARM microcontroller.
I used the online circuit design tool EasyEDA.com to draw the circuit.
This link is my competed circuit diagram and PCB, where you can see it very clearly.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
