IC-555 timer is an integrated circuit used for timer, pulse, oscillator application. They can be used to the time delays, flip-flop. They have 8 pins so easy, and small circuits.
Learn more: How does NE555 timer circuit works | Datasheet | Pinout
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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. [...]
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?
This is Simple 555 Alarm sound circuit, for beginner as buzzer sound. IC1 is pulse generator, to transistor PNP for boost current to speakers.
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…
Dual LED Flasher circuit. It use IC-555 timer IC as the basic astable multi vibrator circuit.