A Simple Adjustable Frequency Square Wave Generator Circuit provides an easy and flexible solution for signal processing, modulation and many electronic projects. Here we see variable frequency oscillator using 555 timer IC which makes square waves and where user can change frequency; also 555 works in astable mode and turning potentiometer changes output speed. Circuit […]
Oscillator Circuits
Simple Sawtooth Wave Generator Circuit
A Simple Sawtooth Wave Generator Circuit finds applications in oscilloscopes, TVs, function generators and PWM systems. IC 555 is very common and is easy to make sawtooth and voltage goes up slow and drop fast in sawtooth shape. Also, frequency changes with potentiometer and circuit works with 5V to 15V. Circuit Working: Parts List: Components […]
Simple Relay Based Lamp Flasher Circuit
Simple Relay Based Lamp Flasher Circuit is good for indicators, warning lights and in anything that need attention. Moreover, circuit uses relay, resistor, capacitor to blink light and does not need any complex parts and it runs on 12V and is easy for beginners to learn electronics. Circuit Working: Parts List: Components Values Quantity Resistor […]
Simple 12V Lamp Flasher Circuit using IC LM317
This Simple 12V Lamp Flasher Circuit using IC LM317 is a cool project to make 12V lamp blink, as this circuit is not only for indicator or warning light but also for car or decoration light. IC LM317 usually controls the voltage but here it work like oscillator for blink and it can handle 1A, […]
Simple 24V Lamp Flasher Circuit using Transistors
Simple 24V Lamp Flasher Circuit using Transistors makes 24V lamps blink back and forth with non stop, as it uses transistors to turn two lamps ON and OFF one by one like astable multivibrator. Also, this circuit is good for signal use like warning or decoration lights with steady blink, therefore, we must use 24V […]
IC 555 Timer Based Mini Flasher Circuit
IC 555 Timer Based Mini Flasher Circuit makes LED blink light with a set speed, as this circuit often uses for signal, indicator and hobby projects. Also, IC 555 timer work in astable mode to give pulses all the time and if required we can change blink speed with a potentiometer, in addition the circuit […]





