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.
Posted inDigitals & Microcontrollers 555 Timer
2 Coin toss Game circuits diagram
This is a review of electronic sound or a violent coin toss. With electronic circuits. Coin toss electronics using NE555-CD4017 This circuit uses integrated digital IC NE555 and CD4017 with…
IC 555 LED Flasher
Dual LED Flasher circuit. It use IC-555 timer IC as the basic astable multi vibrator circuit.