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Telephone In-Use Indicator

Description

See image above

Copyright 2006: Bill Bowden http://ourworld.compuserve.com/homepages/Bill_Bowden/

Partlist

1x 3 volt battery
2x 3.3 MOhm resistors
1x 680 KOhm resistor
1x 100 Ohms resistor
1x 0.1 uF capacitor
1x 2N3904 NPN amplifier
1x 2N3906 PNP amplifier
1x LED

Files

Posted by Jospfh at May 27 2006 14:28

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