Showing posts with label Quick Circuits. Show all posts
Showing posts with label Quick Circuits. Show all posts

Use old phones as an intercom

+ | | - +-------+------ - - --+---||||---/\/\/--+---- - -----+-------+ | | | ...

Audio equalizer with transistors BF245 - BC109

SPY FM Transmitter (1.5V)

Spy FM Transmitter Circuit Schematic With Explanation

3 LED Battery Monitor

Monitor the voltage level of an automobile battery using 3 LED battery monitor circuit

AC Powered White LEDs

One of the major problems that is to be solved in an electronic circuit design is the production of low voltage DC power supply from Mains ...