555 Timer Contest | Hackaday.io

74 projects

Just a fun Tesla-punk kissing meter. A couple each hold a copper handle and kiss. Large meter, huge vacuum tube, arcs and sparks.

Relationship Meter

steven-j-greenfield Steven J Greenfield

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

WiFive55

TechColab.co.je

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

NeoPixel Punk Console

adrian-studer Adrian Studer

A Christmas tree decoration with red and green LEDs blinking

LED Christmas Tree Decoration

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

A power interrupt circuit using a 555 timer.

555 Watchdog

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

Binary Clock with 555 Timer

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

Dual TLC555 Capacitance Meter 0.1pF Resolution

steven-j-greenfield Steven J Greenfield

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

NE555-spiced buck converter

NE555 buck converter

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

555 Twinkle

adrian-freed Adrian Freed

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

Biodata Sonification v05

samuelcusumano samuel.cusumano

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

I took a new look at an old circuit and found a simple solution to a problem described in every 555 datasheet

555 monostable mode revisited

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

DMX5(55)12 Lighting Console

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

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

555 MPP solar charger

patrick-van-oosterwijck Patrick Van Oosterwijck

simple way to avoid posioning cathodes in vacuum tube amplifiers

Delay board for vacuum tube amps

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

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

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

ATTiny555

shranav-palakurthi Shranav Palakurthi

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

GPS disciplined 555 clock

jan-waclawek Jan Waclawek

A simple RF transmitter using only (2) LMC555s

555 Contest: 4MHz (80 meter band) CW Transmitter

frank-latos Frank Latos

Are you a real Star Wars fan? George Lucas created a world that has no end-as long as you're open and want to enjoy the ride.

DIY - Boba Fett Helmet With LED Chaser Circuit