555 Timer Contest | Hackaday.io

74 projects

use lm358 as non-inverting low-pass filter to clean audio of higher harmonics, then send thorough 555 timer.

audio to square wave using 555

eric-fontaine Eric Fontaine

Foot pedal operated SMD Vacuum for manual placement of components. This upgrade from tweezers simplifies SMD placement during PCB assembly.

Manual Pick and Place SMD Vacuum

Generating a DMX512 signal for lighting control using only 555 timers.

DMX5(55)12 Lighting Console

Kinetic sculpture that uses eight NE555 timer ICs to sequence four blinking LEDs and drive a bipolar stepper motor

LED Animated Kinetic Chaser

bornach bornach

555 Timer as a PWM controller for a buck converter

COT Buck Converter with LM555

kai-yin Kai Yin

Musical instrument without batteries!, created with the motor of a PC CD player and a piano generated with the incredible 555

Acordeonador

Livewell bait timer

Livewell bait timer

zeljko-vincic Zeljko Vincic

Official Hackaday Prize Entry

Fixed-rate Asynchronous Receiver. Extremely simple asynchronous serial input to parallel data output converter.

FAR

Newton's Cradle driven by an electromagnet

Infinite Newton's Cradle

lucas-drufva Lucas Drufva

A power interrupt circuit using a 555 timer.

555 Watchdog

Create music from the invisible changes occurring within plants, using a 555 timer!

Biodata Sonification v05

samuelcusumano samuel.cusumano

A circuit to log a lead-acid battery voltage with galvanic isolation between the logger and the battery

A 555 to Monitor Battery Voltage

A Kite Camera Using a 555 Timer to Trigger an old Film Camera

555 Timer Kite Camera

A Working Replica of the classic 555 timer made using discrete components

Giant 555 Timer

rudraksha-vegad Rudraksha Vegad

This project uses a 555 timer and a few op amps to convert voltage to frequency with emphasis on data measurement

555 Timer Voltage to Frequency For Measurement

allthingsoneplace

Enhanced ESP-01 WiFi relay/SSR/opto module & 555 emulator.

WiFive55

TechColab.co.je

I've made a PCB that represents the front of the Audi e-tron

Audi e-tron with 555

A new 555 IC with 15 PPM Sine Wave Synthesizers for Twinkly lights and Drone Music

555 Twinkle

adrian-freed Adrian Freed

This is what happens when an electronics instructor mentioned that he needed a better way to show his students how the 555 works

NE555 Training Breakout Board

555 timer with a motor driver to make a rotary turntable driver and a PCB shaker to etch PCBs, in a single circuit .

A 555 Timer based Turntable and PCB Shaker Circuit

A simple analog radio simulator/servo tester built with 555 chips

Should Have Used a 555

We know the Terminator’s main CPU is a 6502, but recently revealed that it is clocked by rad-hardend redundant 555 timer.

Terminator’s 6502 Clocked By 555 Timer

ted-fried Ted Fried

Look ma! no computer! How about a 555 ADC* that outputs 230kbaud serial ascii !!

555 based serial ADC

rue-mohr Rue Mohr

There is nothing better than making your own clock and no software no mechanical just using a 555 timer.

Binary Clock with 555 Timer