Author - Bert Henscheid

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Bert Henscheid	Write for Electronic Design
Bert Henscheid is a senior hardware engineer. Email address: bhenscheid@cox.net
2 results found for Bert Henscheid, displaying items 1 - 2

November 5, 2009 [Ideas For Design]
Garage Door Opener Parts Form IR Intrusion Detector
While creating an infrared beam intrusion detector system, the need for a beam-focusing method became evident. Parts from a modified Genie garage door Safe-T-Beam system, purchased at the local home improvement store, proved to be perfectly suited to the application. The main reason for choosing the Genie unit is that the IR transmitter and receiver housings each contain a plastic lens inside a short plastic tube molded into the housing. The tube and lens...

August 9, 2004 [Ideas For Design]
PIR Light Controller Relies On A Missing-Pulse Detector
Figure 1 shows a way to control a light (or other 120-V ac appliance) with a passive-infrared (PIR) alarm sensor. The original concept was to turn a closet or shop light on whenever someone went into...