Posted to sci.electronics.design,sci.electronics,sci.electronics.equipment,sci.electronics.repair
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Looking for a Low Cost On Delay Timer
On 22 Aug 2013 07:21:34 GMT, Jasen Betts wrote:
On 2013-08-21, Guv Bob wrote:
On Tue, 20 Aug 2013 14:12:28 -0700, "Guv Bob"
http://img43.imageshack.us/img43/7434/wvm.gif
Thanks again! Would this work?
NTE955M Timer, (555 Type), 200 mA Iout, CMOS 8 DIP 1.20
http://www.alliedelec.com/search/pro...x?sku=70215850
Maybe like this:
in------+-------------+
| |
| . . . .|. . . .
| . VCC(8) .
| . .
+-----+-------RES(4) OUT(3)------ out
_|_ | . 555 .
D1 A [R1] +---TH(6) DIS(7)--
'T` | | . .
+-----+---+---TR(2) CV(5)--
| . .
C1 ===== . GND(1) .
| . . . .|. . . .
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----+-------------+---
ground
U1 LMC555 / 7555
D1 1N914
C1 10uF
R1 470K
---
Yup! :-)
--
JF
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