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Re: Just to verify my reset circuit

Subject: Re: Just to verify my reset circuit
From: "Chris"
Date: 11 Apr 2006 07:39:28 -0700
Newsgroups: sci.electronics.basics
Chris wrote:
> By the way, if you want a simple transistor circuit for your one minute
> delay, and you happen to have a 10,000 uF cap and a 10K pot handy, you
> might want to try this (view in fixed font or M$ Notepad):
> <snip>
> Good luck
> Chris

OK -- Let's save the switch by discharging the 10,000uF cap through a
diode and a series resistor.

|
|      SW1
| VCC-o
|     __--o-o-------o-------.
| GND-o     |       |       |
|           |       |       |
|           |      .-.      |
|           |  .-->| |10K   |
|           |  |   | |      |
|         D -  |   '-'      |
|           ^  |    |       |
|           |  '----o       |
|          .-.      |       |
|      100 | |     .-.      |
|          | |   1K| |      |
|          '-'     | |  .---o
|           |      '-'  |   |
|           |       | |/    |
|           '-------o-|     |
|                  +| |>    |
|           10,000 ---  | |/
|             uF   ---  '-| TIP101
|                   |     |>
|                   |       |
|                  ===   .--o
|                  GND   |  |
|                       D|  C|
|                        -  C|RY1
|                        ^  C|
|                        |  |
|                       ======
|                       GNDGND
|
|
(created by AACircuit v1.28.6 beta 04/19/05 www.tech-chat.de)

Chris


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