Posted inOscillator circuits 555 Timer
555 timer Pulse Generator circuits | astable mode
This is a simple pulse generator circuit or standard astable oscillator circuit for IC 555 timer,NE555N IC. Use for digital Logic circuit.
Posted inMeters & Detectors 555 Timer
555 audio simple ohmmeter circuit
This is 555 audio simple ohmmeter circuit. Some times, we need to measure roughly resistances only. we can know resistances by audio also fast check. [...]
Posted inDigitals & Microcontrollers 555 Timer
Three bounceless switch circuit using digital IC
The simple bounceless switch circuit. It is one kind of electronic switches, high quality, and low noise. They are suitable for the digital circuits. Why?
Posted inSound Generator 555 Timer
5 circuits of 555 Alarm sound and tone generator
This is Simple 555 Alarm sound circuit, for beginner as buzzer sound. IC1 is pulse generator, to transistor PNP for boost current to speakers.
IC 555 LED Flasher
Dual LED Flasher circuit. It use IC-555 timer IC as the basic astable multi vibrator circuit.