Police Lights

First I got to say, making PCBs with this method is so much fun now, easy and super fast !! I like it!!

This is most basic schematic one could use, I even left out connector for onboard programing, so there are only few components needed. This will run from any voltage greater then say 8v and up to as much as 7805 holds, which is needed because of uC which is ATmega8


The code/program needed for this project was not done by me, I will just change it a bit for myself


Code in TXT file

All but led moduls

Its pretty basic and simple!

PCB in PDF here



Application Note on bridging audio amplifiers

A discussion on bridging audio amplifier circuits like LM3886. Includes a schematic to drive a matched pair of amplifiers in a bridged configuration, power supply considerations for LM3886 and TDA1514 power amplifier circuits-especially in bridged pairs.

Application Note on parallel-bridging LM3886 audio amplifiers

How to make it loud - real loud. (230 watts rms into 8 ohms without clipping from 4 ICs. How to match LM3886s for parallel operation, then bridge the matched parallel banks. If you are not familiar with bridging amplifiers (BTL configuration), read the Application Note on bridging listed left in article Application Note on bridging audio amplifiers.

My first car audio system My second car audio system My third car audio system

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