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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: I haven't tested much on this yet, but i was unable to get plug spark using test mode. Will look more at this and update. '''Reply from support:''' * always make sure to have GND return path. But with other problems, it is recommended NOT to try to spark. Use 1k resistor in series with a LED, and test output with that (the anode to +5V, testing 1 switched output at a time). '''Reply from Per:''' I found a passage about '''enabling the stepper driver''' in the user guide - '''setting water pump channel to S259/7 and start temperature to -40'''? (or using a misc output to activate S259/7 unconditionally). Maybe that was what was missing? '''Update from Per:''' That was it - setting up water pump channel did the trick, '''enabling the stepper driver unconditionally by activating S259/7 ''' I now have sparks! Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.