This is a novel music level indicator, ideally suitable for using in a place like discotheque. This indicator is made of eight columns of eight LEDs are being placed at […]
Simple Water Sensor Circuit with Alarm
Water sensor is a little unit which is used to give an audible alarm when a hose of the washing machine has burst or when it starts to rain, so […]
Bicycle Light and Alarm Circuit
The post illustrates a simple bicycle light circuit which can be used as a normal front/back indicator lights, and also as an emergency alarm signal such as an SOS signal. […]
IC 555 NiCd Battery Charger Circuit
The post details a simple IC 555 based NiCd charger circuit which can be used for charging all types of nickel cadmium batteries with great accuracy. Charging a 12 V […]
Dog Barking Sound Simulator Circuit
In this post we learn how to make a simple dog barking sound generator, which will simulate an exact dog bark sound through an electronic circuit. The music synthesizer was […]
Mini Running Light Circuit
The post explain how to make a simple mini running light circuit using a couple of ICs 555 and UAA170 As the figure shows, the UAA170 circuit is being used […]