Dooebuzzer with 555
posted by kang-enduts @ 3:00 PM
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Sunday, May 20, 2007
Previous Posts
- Christmas Tree Lights Flasher with 7812+LM380
- Water Alarm with LM350
- Touch Switch By IC 4001 & 4020
- Supply Splitter with IC 741& TIP41,TIP42
- Light Sensitive Switch with LDR + 2N2926
- FET Overload Current Trip
- Dfferential Temperature Relay Switch by IC 741
- D.M.M. To Stopclock Converter with CA3140
- 555 IC Timer control relay Switch
- 5-13V Power Supply with IC 7805 & CA3140
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