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One Direction Motion Sensor

May 23, 2011 Rend 0

This is a one direction motion sensor circuit. This motion sensor circuit is used to detects an object passing in one direction, ignoring an object […]

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220V Power Line Interface

May 16, 2010 Rend 0

This is a simple 220V power interface circuit. This circuit used as interface for monitoring electric devices and equipments using a computer. The circuit only […]

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Laser Diode Driver

July 17, 2009 Circuitguy 0

A  laser diode driver can be implemented using voltage-controlled current source.  This simple  linear laser diode driver gives cleaner drive current than a switched (PWM) […]