My car has the feature on the driver's side electric window that lowers the window automatically if the switch is pressed hard enough. However, none of the other windows has this feature and nor does this feature work in reverse, raising the window. So I was thinking that I could use a 555 circuit that would sense the switch being on and after it was on for a few seconds the timer would keep the window motor energized until power was removed. So I built the timer circuit but now need some way to shut the thing off and all I can think of is some sort of current sensing switch that would turn off the power when the current rose to a certain point. For the driver's side window I could use whatever is there for the down motion but that won't work for any of the other windows. Anybody have any advice? I'm gonna search the web too but I value the instruction I have received here in the past. Thanks, Eric
- posted
10 years ago
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