For anything related to the 'official' Speeduino boards (Eg v0.3, v0.4 etc)
By oxide
#43117
Hi, I'm new to Speeduino (and to electronics, soldering and EMS in general, so please bear with me!) I've just assembled a v0.3.7 board for a Ford/ Saab V4 injection/ ignition conversion, but I must have made a mistake or fitted a duff component, as one of the ignition LEDs doesn't come on. I'm using a SpeedySim and the TunerStudio hardware test.

I've been probing the board with a multimeter, but since I'm not exactly sure what I'm doing/ looking at, I've been trying to find a schematic for my board in the hope that would clarify things. I don't see anything in the wiki, can someone please point me towards a diagram? Many thanks in advance!

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