In this post we will discuss a couple of circuits that will allow automatic watering of plants and flower pots, even while the owner of the house is away from […]
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Electronic Acupuncture Circuit [Bio-Stimulation Circuit]
In this article we discuss how to build an electronic acupuncture circuit, also called bio-stimulation circuit., and use it for a possible treatment of many common body ailments, without any […]
Two Tone Door Bell Circuit
The electronic 2 tone door bell circuit is designed around the popular IC 555. The IC 555 is extensively applied in numerous varieties of timers and also as a basic […]
Tennis Ball Throwing Machine Circuit
In article below explains the control circuit for an automatic tennis ball throwing machine, designed to throw a tennis ball through a mechanized catapult machine, controlled with powerful motors. In […]
Loudspeaker Thump Sound Eliminator Circuit
While using amplifiers, we sometimes experience this very annoying thump sound, popping up in loudspeakers whenever the amplifier is switched ON or OFF. This normally happens with amplifiers that are […]
7 Interesting IC 555 Siren and Alarm Circuits
In this post we will learn how to use IC 555 to create 7 interesting siren and alarm sound effect generator circuits. The versatile astable multivbrator configuration of IC 555 […]