bird bath fountain circuit

Bird Bath Fountain Monitor

T.K. Hareendran - 11/16/13

A bird bath fountain (a small shallow pond-created with a water-filled basin- in which birds may bath and [...]
rf spy bug detector circuit schematic

RF Spy Bug Detector Circuit

P. Marian - 05/23/13

Here is a simple RF bug detector that will help you detect spy bugs and can operate up [...]
infrared model train detector schematic

Infrared Model Train Detector

T.K. Hareendran - 05/08/13

This simple and economical IR model train detector circuit is intended especially for those hobbyists who wish to [...]
pcb drill speed controller schematic

PCB Drill Speed Controller with 555

T.K. Hareendran - 03/18/13

Described here is a simple, inexpensive and useful circuit for electronics hobbyists. The circuit is nothing but a [...]
human reaction time test schematic

Test Human Reaction Time with the 555 IC

P. Marian - 02/26/13

With this simple circuit that is built with the 555 IC you can test human reaction time. You [...]
strobe lighting project kit

Strobe Lights Project

Edgefx Kits - 02/24/13

Stroboscopic effects of lights for nightclubs are realized by bringing into play old white Light Emitting Diodes (LEDs) [...]
12V Load Switch

Engine Running Detector, Load Switch

Jim Keith - 11/07/12

This circuit determines when an engine is running, and when running, it turns on a solid-state switch to [...]
555 Duty Cycle Control Schematic

555 Duty Cycle Control

Jim Keith - 10/20/12

Here is a simple oscillator circuit that varies the duty cycle over a wide range without affecting the [...]
firefly lights circuit schematic

Firefly Lights Circuit

Jim Keith - 08/11/12

This firefly lights flasher is an easy, fun project. It can be built on the tiny circuit board, [...]
insomnia treatment circuit

Rain Sound Generator – Sleep Aid in Case of Insomnia

P. Marian - 07/16/12

Insomnia treatment consist mostly of sleeping pills consumption but this circuit is an alternative for that and consists [...]
PPM using 555 timer

Simple Pulse Position Modulation Circuit

Srihari Rao - 07/10/12

In pulse position modulation, the amplitude and width of the pulses are kept constant, while the position of [...]
LED as a Polarity indicator

Simple and Useful LED Circuits

Srihari Rao - 07/07/12

Due to the advantages like low voltages, long life, cheap, reliable, fast on-off switching etc, the LED's are [...]
Looking for the latest from TI?