Circuit Project Electronic

This dusk to dawn switch switches on the lamp at night and automatically switches off the lamp in daytime.
The circuit uses an old-fashioned relay as switching element which makes it suitable for all lamp types: not only
incandescent but also TL and compact fluorescent.
description

When it is light, infrared-diode D1 will be conducting; the voltage on the [...]

Click to View Circuit Infra Red Switch control by normal remote
Circuit : Andy Collinson
Email: anc@mitedu.freeserve.co.uk
Description:
This is a single channel (on / off) universal switch that may be used with any Infra Red remote control using 36-38kHz. (This is a very common remote handset frequency).

Notes:
Any “button” of any remote control may be used to work this [...]

This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac. The receiver circuit is based on the Radio Shack infrared receiver module (MOD), part number 276-137. It is also available from some of the other sources listed on my Links page. The MOD [...]