Following the new trend on the board of not thread-jacking, I'm going to move all my questions over to this thread.
The story so far: Our hero (me), helped as always by his faithful sidekicks Intruder and Blue LEDz, has embarked on a brave new quest to keep his stereo from turning off when the car turns on. However, there's a twist: I don't want the stereo to stay on when I turn the car off, but only while the engine cranks.
I *think* I have worked the circuit out, but I'm not an expert on this stuff so I want to make sure before I go out and buy the parts. Also, I was talking things over with Intruder last night and he brought up a good point. The cap and diode Blue LEDz posted (here and here) are rated for very low amperage. Would these work, or just burn up with the power to the HU?
The diagram below is the best I could come up with. One thing I couldn't figure out though, would the cap have any effect at all if there's no diode in the circuit? I'm hoping it won't, because then if I bypass the diode there won't be a delay.
The story so far: Our hero (me), helped as always by his faithful sidekicks Intruder and Blue LEDz, has embarked on a brave new quest to keep his stereo from turning off when the car turns on. However, there's a twist: I don't want the stereo to stay on when I turn the car off, but only while the engine cranks.
I *think* I have worked the circuit out, but I'm not an expert on this stuff so I want to make sure before I go out and buy the parts. Also, I was talking things over with Intruder last night and he brought up a good point. The cap and diode Blue LEDz posted (here and here) are rated for very low amperage. Would these work, or just burn up with the power to the HU?
The diagram below is the best I could come up with. One thing I couldn't figure out though, would the cap have any effect at all if there's no diode in the circuit? I'm hoping it won't, because then if I bypass the diode there won't be a delay.
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