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Trouble shooting dosing pumps
#3
I won't be able to track this down much more before the weekend. I will have to dissemble everything and take it out of the case, so that I can probe the pins.

The 12v supply is working fine. Unless I needed to hook up a jumper or other power supply line for the pumps separately.
I don't remember soldering those transistors, but I guess they are there then. :)

Actually, that reminds me. I was missing the fet/transistor that drives the feeder. I got four out of five. Perhaps I happen to measure the one that was not installed by pure bad luck.

PS: Yes. I have board version 1 code running. The right pump pins on the arduino wiggle when I dose manually. But as I said, the pins don't stay high but droop quite fast.
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Messages In This Thread
Trouble shooting dosing pumps - by TilmanBaumann - 01-17-2016, 02:41 PM
RE: Trouble shooting dosing pumps - by Rob F - 01-17-2016, 08:24 PM
RE: Trouble shooting dosing pumps - by TilmanBaumann - 01-19-2016, 10:09 AM
RE: Trouble shooting dosing pumps - by Rob F - 01-19-2016, 01:04 PM
RE: Trouble shooting dosing pumps - by Rob F - 01-19-2016, 12:13 PM
RE: Trouble shooting dosing pumps - by Guest - 01-19-2016, 12:20 PM
RE: Trouble shooting dosing pumps - by Rob F - 01-19-2016, 03:35 PM
RE: Trouble shooting dosing pumps - by Rob F - 01-19-2016, 11:16 PM
RE: Trouble shooting dosing pumps - by Rob F - 01-21-2016, 02:27 PM

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