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IC 555 Timers & Circuits

555 IC Timers & Circuits

The 555 timers is one of the most used IC's when it comes to building timed circuits. Here's some 555 timer circuits and other electronic circuits that performing timing functions.

Photo: Multi Mode Timer Circuit Multi Mode Timer Circuit
This timer kit contains seven different timing modes using only ONE IC and some support components on a single-sided PCB.
Photo: Count-Down Timer - Relay Output Switch Count-Down Timer - Relay Output Switch
Timer kits are an ever popular item with the hobbyist. This uses a 555 timer IC and goes from 8 seconds to 8192 seconds.
Trains Horns: Two-Tone Diesel-Train Horn Sound Effect Circuit
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An electronic circuit that uses a 556 (Dual timer) IC to produce a two-tone train horn sound effect. Equivalent circuit using two 555 timers (single timers) is given.
Photo: Universal Relay Timer-Switch Electronic Kit Universal Relay Timer-Switch Electronic Kit
Set this relay-based timer for anywhere from a few seconds to about 15 minutes so that you can time on/off almost anything.
Photo: AM Radio One Chip Educational Electronic Kit AM Radio One Chip Educational Electronic Kit
This is a complete AM radio for the standard broadcast band, most of which is on a single IC. Other components, such as coils and variable capacitor to make a finished radio are included. The IC is the RF Amp, detector and AGC circuitry. The IC's output d
Photo: Led Dice with Slowdown Game Electronic Kit Led Dice with Slowdown Game Electronic Kit
This is an excellent kit for use as an introduction to electronics and circuit analysis. Seven LEDs arranged like a real die face. Push the switch and the die rolls and then slows down, stops. Ingenious circuit design used to minimize components. Uses 140
Photo: Timer Circuits Relay Switches Timer Circuits Relay Switches
Timer circuits are handy for many experimenters projects, not to mention the photo lab. This kit has three separate circuits that can be used individually or together. Each circuit has a separate 5 Amp relay. Circuits operate on 9 Volt DC.
7805 Datasheet - 5V DC Voltage Regulator Data Sheet / Specs
0 Comments - in Datasheets
Data sheet for the 7805 (LM7805), a compact IC 5v DC voltage regulator integrated circuit. This page further describes the 7805 and provides Datasheets for the IC device.
Photo: Motion Detector Movement Detector Components Motion Detector Movement Detector Components
A bit different from other kits. We supply the three basic components for you to make your own movement detector. Included is a PCB mounted fresnel lens, a PIR movement sensor and the latest movement IC just released. Eight pages of application notes show
Photo: Flasher Multi Sequential 5 LED Flasher Multi Sequential 5 LED
Flashes five very bright LED's in any one of seven, user-selectable, patterns. A COB (chip-on-board) IC makes assembly very easy; the chip is supplied premounted on its own board and a motherboard contains the entire circuit. Operates on 3 volts DC, batte
Photo: Stereo Audio Amplifer - 10 Watts Stereo Audio Amplifer - 10 Watts
This kit uses the TDA2009 class AB audio amplifier IC for high quality stereo applications.
Photo: Temperature Meter LCD Temperature Meter LCD
This temperature meter uses a Harris 7106 IC as the heart of a low cost, accurate temperature meter. LCD 3-1/2 digit readout. All of the active circuits are in this one, versatile chip. In addition to temperature functions, the board includes an area for
Photo: Stepper Motor Driver Stepper Motor Driver
Drives any 5, 6 or 8 lead unipolar stepper motor. Based on the UCN5804 IC. All features of this IC