Ultrasonic Tx-Rx Tutorial

This circuit is a church bell controller. Basic component is an ATmega32 microcontroller. At the...

I have an automotive relay (from a scan of a workshop manual I`m afraid) which is rather more...

Read the generic sound level from an Electret Microphone. I`ve seen a number of schematics with...

Control a relay from an Arduino compatible board. When I try to activate the relay from the...

The following schematic has been taken from buildcircuit. com. The following circuit can work as...

LS-2 remote control switch infrared sensor module is basically the same with the LS-18, in...

Some serious overengineering was required to match my previous capacitive scanner. At the local...

As shown in FIG amplification is used to convert a variety of devices and TV video output...