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
3 Sound activated switch and Detector Circuit with PCB
This is Sound switch circuit,using IC-1458 and SCR-C106D It will work only if the loud is overdue,for player cameras, can apply to a Burglar alarm circuit Read more
Monostable multivibrator using 555 timer
These are many Monostable multivibrator using 555 timer. We use it as timer for control a load, LEDs,driver relay. Which trigger them using a normal switch. […] Read more
3 Police siren circuits using 555 timer
Here are police siren circuit using IC 555 with PCB layout. It uses IC 555s as a frequency generator and a transistor to drive the speaker. Read more
4 ideas of One LED flasher circuits using transistor, IC, UJT
These circuits are simple One LED flashers that use transistors as the main (first circuit), the transistor UJT (second circuit) and IC Op amps (the Third), Read more below. Using transistors as base The capacitor C1.Resistors R1 frequency generator to Q1. Which acts as a switch.then used Q2 to be the current increase. Operation of … Read more