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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: If your RPM shows "dips" (sometimes jumping, usually to 0), use the latest firmware, at least [http://www.vems.hu/download/round/ 2009-10-12] ---- To understand more of the analog and rpm input, a schematic would really help. * the RPM input is divided internally towards 5V, so about 0.6V on RPM input will be about 2.8V internally, equal the RPMref threshold. * RPMref (often around 2.8V), can be changed with pulldown resistor to GND, or pullup to eg 4V 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.