This anti acoustic feedback circuit can be used to prevent the howling effect that is normally seen when an amplifier and a loudspeaker system are operated inside a hall within […]
Electronic Dice Circuit
This electronic dice circuit constitutes a true dice display simply using only two ICs a 74132 and a 7495. The 7495 is a 4 bit parallel access shift register. It […]
Simple Capacitor Tester Circuit
This simple capacitor tester can be used to identify the values of unknown capacitors. This bridge design was actually built to come across values for odd, unmarked or unknown capacitors. […]
How to Increase Power Rating of Zener Diodes
Generally there are situations wherein a higher power Zener diode is essential and one is not easily accessible. Listed here is a circuit which using a power transistor can easily […]
Model Train Controller Circuit
A lot of model railway controllers possess the regrettable features of providing immediate starts and stops to the train which can make the model passengers nervous. The model train controller […]
Loudspeaker Power Indicator Circuit
This circuit will reveal the height level of an input signal placed on a speaker. It is mainly meant as a fool proof device when linked to an amplifier of […]