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LED support with Hagstrom KE72 (pics)
Sasquatch!:
--- Quote from: MannyTC on March 12, 2003, 01:07:43 am ---Dang I thought I was going to get to post those pics first! I had sent my unit in 2 weeks ago for other work and the LED header. Looks real good. Can't wait to try mine out tomorrow when it comes.
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I got the firmware on my upgraded too while it was in. Unbeknowst to me, upgrading it erased the memory on it. THANK GOD I still have the CFG file from two years ago.
Carsten Carlos:
--- Quote ---I can't answer this with 100% accuracy but from what I know about the hardware driving the IPAC, I'm guessing it puts out at least 10ma, which is quite a bit more than what you are dealing with.
That's why you might have to use different resistors with Oscar's circuit.
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I designed this circuit/resistor for the I-PAC. You are right, for the KE72 you'll have to use a 3 KOhm-resistor instead of 1 kOhm.
I guess the transistor should work with this low current also, but can't test it out now to verify.
Carsten Carlos:
--- Quote ---You are right, for the KE72 you'll have to use a 3 KOhm-resistor instead of 1 kOhm.
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Sorry, didn't read the correction with the 8mA.
Leave the circuit with 1KOhm, it will work. This way the current is 4.3 mA, no harm for your KE72.
Sasquatch!:
--- Quote from: Carsten Carlos on March 12, 2003, 06:02:26 am ---Sorry, didn't read the correction with the 8mA.
Leave the circuit with 1KOhm, it will work. This way the current is 4.3 mA, no harm for your KE72.
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Cool. Thanks for the info, Carlos!