Content for NE555

How to make an Universal DC Motor Speed Controller

“Motors are everywhere where and we see them in every application.From Drills to Locomotives , from RC car to lathe machine everywhere there are uses of motors. But the most important characteristic of the motor is ,the need to be …

DIY Rain Alarm Using 555 Timer

“Building a home made rain alarm. This circuit beeps for about 40 seconds when it detects rain. This circuit uses a 555 timer. This circuit can also be used with pressure sensor or with LDR for detecting light”

Simplest High Frequency PWM with NE555

“In this instructable I will show you how I made a high frequency Pulse Width Modulator with the well known integrated circuit NE555. This circuit is a good starting point in electronics for beginners because of the low amount of …

Knight Rider LED Flasher - 555 & 4017

“In this instructable I will show you how I made an LED flasher with Knight Rider effect. The circuit is relatively simple. For me the hardest part was etching the PCB.”

555 LCO & JavaScript Get Freaky Now

“Perhaps the cheapest and easiest baseline synthesizer ever made from a light controlled oscillator driven by the brightness of a laptop screen. A sequencer written in JavaScript varies the brightness of the patch, controlling the pitch of the synthesizer. Though …

Basic (PWM) Motor Speed Control Using 555 Timer ICs

“This is the first part of supposed to be a two-part instructable about speed control of a DC motor using 555 timer ICs meant to cater those who are still starting to make electronics a hobby and beginners like me …

Build a 4-Bit Binary Counter with 5x7 LED Matrix

“Traditionally, discrete LEDs are used to display digital data from a binary counter. 4-bit binary patterns of 1s and 0s are deciphered manually using a weighted value method to determine the equivalent decimal number generated by the digital counter. I …

DIY Clap Switch 555 Timer

“A clap switch has its many important applications some uses for security purposes some uses to control home appliances but i made it simple you can also add a relay to control high power devices.”

DIY Electronic Piano 555

“This is very funny instrucatable everyone will make in less than 10 minutes. A complete guide also given in the tutorial video….. Actually an idea come from the kids toys. Almost every kid play the piano like this so this …

Build Your Own Negative Voltage Generator

“Many hobbyists will have come across an op-amp circuit that uses a dual rail supply. In order to provide the dual rails power, two power supplies can be used but many do not have access to such equipment or the …