This is a review of electronic sound or a violent coin toss. With electronic circuits. This circuit uses integrated digital IC NE555 and CD4017 with LED display easily.
Principle of the circuit, when voltage is 5 volts to the circuit C1 will charge through the VR1 and R1 fully. IC1, R2, R3 and C2 to the [...]
Here’s a design circuit of phone message flasher, an alternative way to get alarmed when there is an incoming call. This is the figure of the circuit. When the phone rings, high line voltage will be detected by A differential amplifier with hysteresis (Q2, Q3, and Q1). This action will turn on multi vibrator Q5/Q6, [...]
This is a circuit that features a running pace with a changing voice, the tiny microphone. For a frivolous fun.
Operation of the circuit when a signal is to change the MIC1 audio signal and power amplifiers to be stronger. The LM358 IC1 / 1 and IC1 / 2 classified as a circuit that changes the [...]
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