555 Timer Contest | Hackaday.io

74 projects

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

A 555 to Monitor Battery Voltage

I present two new designs with an improved 555 timer core in 20-pin packages

New 555 Timers with 20-pins

adrian-freed Adrian Freed

A digital clock implemented in 555 timer logic

555 Time

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

A simple game using one button. Get the pendulum swinging as high as you can.

555 Pendulum

Can we make a precise clock with analog indicators driven by 555s?

GPS disciplined 555 clock

jan-waclawek Jan Waclawek

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

Put aside your FPGAs and high performance oscilloscopes - Here's a two-chip solution to your reverse engineering needs

Dumping Firmware With a 555

jarrett Jarrett

Modifying the Toyota OEM turn flasher to one-touch line change (3 blinks) and LED lamps

Upgrade the Toyota flasher with 555 timers

dejan-vasi Dejan Vasić

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

Six "sided" LED Randomizer a.k.a. an electric die

Hexo

thomas-countz Thomas Countz

A quiz game buttons project that I decided to design it based on a double 555 (556) and a 555 for a tone generator. #EFHC

Quiz game buttons 556/555 based

emmanuel-herrera Emmanuel Herrera

All Logic Gates & 2-bit Ripple Carry Adder built with only TLC556 Timer ICs. Proof of concept blocks for 555 based Turing Machine/uP

555 Timer Functional Complete Logic Gates

lornechrones-nick LorneChrones (Nick)

A rotary circuit sculpture with four 555 Atari punk console synths made in brass.

Cyclotone - The Mechanical Punk Console Sequencer

The 555 as circuit sculpture.

CS 555

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

Should Have Used a 555

This circuit allows for customized speed of turbo/autofire for any video game controller.

Video Game Controller Turbo/autofire circuit

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 as a PWM controller for a buck converter

COT Buck Converter with LM555

kai-yin Kai Yin

Two 555 timers turn capacitance into an analog voltage readable on a DMM. With a modern 600.00mV scale, that is readable to 10e-11F.

Dual TLC555 Capacitance Meter 0.1pF Resolution

steven-j-greenfield Steven J Greenfield

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

Audi e-tron with 555

We've come full circle. Here's a timer made up of timers...

555 Timer - Timer

A Christmas tree decoration with red and green LEDs blinking

LED Christmas Tree Decoration

Honey Bee shaped 555 Blinky course ware for Maker's Asylum Electronics course.

MAP6 Maker Bee

anool-mahidharia Anool Mahidharia