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Ted Yapo has designed a multi-year always-on LED replacements for gaseous tritium light sources.

Heat activated cooling fan controller is a simple project which operates a brushless fan when the temperature in a particular...

One Channel Infra-Red Remote and receiver with onboard Relay provides normally open and normally closed output.

circuitstoday.com guide us to the basics of LED and bargraph usage in Proteus software.

Raj @ embedded-lab.com published a revised version of an old project, a programmable Relay Switch based on PIC16F1847 (or...

Quad Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project.

Dark activated LED light is a simple project which operates a LED when the light falling on the LDR goes below a set point.

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager.

This is a discrete Half-bridge driver based on IR2104 gate driver IC and low impedance high current N channel IRFP4368 MOSFETS.

by Jim Williams @ end.com The simplest model of a battery comprises an ideal voltage source that connects in series with a...

16 Channel Infra-Red remote controller is based on PIC16F73 Microcontroller from Microchip.