555 Timer Contest | Hackaday.io

74 projects

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

555 based serial ADC

rue-mohr Rue Mohr

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

555 Twinkle

adrian-freed Adrian Freed

A realistic model of the beacon atop the Barnegat Lighthouse built in hardware!

“Rotating” Lighthouse Beacon

stephen-porter Stephen Porter

A very simple, low cost MPP solar charger built around the venerable 555 timer

555 MPP solar charger

patrick-van-oosterwijck Patrick Van Oosterwijck

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

Acordeonador

What, you're using a 555? I could've done that with a microcontroller!

ATTiny555

shranav-palakurthi Shranav Palakurthi

A digital clock implemented in 555 timer logic

555 Time

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

Biodata Sonification v05

samuelcusumano samuel.cusumano

Two 555 timers and oscilloscope X-Y mode to generate animated art

Oscilloscope Art using 555 Timers

ted-fried Ted Fried

In order to display the function of NE555, I made an object that can replace two resistors and a diode.

Spot the NE555!

Official Hackaday Prize Entry

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

FAR

Accepting the challenge made in a previous Hackaday post.

555 ultrasonic levitation

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

Hexo

thomas-countz Thomas Countz

Using 555s to detect hand distance and alter the pitch and volume of a software based DDS.

555 Theremin

richard-nock Richard Nock

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

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

Metal Detector which is very easy to make, and contains only a few standard electronic components.

Simple Sensitive IB Metal Detector with 2xNE555

mircemk mircemk

AC/DC power converter built using historic componets by Tesla Rožnov. Controlled by 555. Input 230V AC, output 7V, 10A.

555-controlled Switching Mode Power Supply

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

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

555 Pendulum

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

Blinking RGB LEDs with 555s and a handful of 74-series logic

NeoPixel Punk Console

adrian-studer Adrian Studer

The 555 as circuit sculpture.

CS 555

Doing SPI with a microcontroller is boring. Why not do it with dozens of logic chips and 555 instead?

MCU-Less DS1302 Calendar Clock

sleepy-pony Sleepy Pony