LM386 Audio Amplifier Circuit with PCB
This is an LM386 audio amplifier that can be used with a small 9 volt Battery Operated,Current use as little as 5 milliamps.And amplification up to 500 mW. Read more
Amplifiers
Simple Electronic Stethoscope circuit
This is Electronic Stethoscope circuits. Usually the stethoscope is a medical device that listens to the heartbeat. Which we can make it with the least amount of electronic equipment so easy to make. Read more
9 Burglar alarm circuits ideas
Here is five burglar alarm circuits for you can look as idea To protect their property from thieves. simple switching, vibration systems, touch-sensitive. Read more
3 Intercom circuit using LM386 – OP-Amp ICs
See Intercom circuit using LM386 and other IC. louder transistor version. And easy and cheap. With Condenser MIC and Speaker, longer cable. Read more
Audio peak limiter circuit to improve input signal
The simple audio signal overload protection circuit. Why use it? it will protect input of power amplifier away high amplitude, more than1Vrms. Easy circuit! Read more