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Summary of change:
I'm trying to connect HALL to both primary and secondary inputs on my development board. '''Trigger1:''' Pin is connected to IC by 10k R55 and shorted SJ2. It's protected by a 5.1V zener on D14 and a short on D13. '''Trigger2:''' Pin is connected to IC by 10k R91 and shorted SJ5. It's protected by a 5.1V zener on D27 and short on D24. The signal should look like this 'hall signal -> pulled up by 10k to 5v -> 10k series resistor -> 5v1 zener to ground -> ic1 pin'. Thanks, Dave. '''Schematic diagram showing the recommended hall setup''' [http://www.vems.hu/files/DaveBrul/mini_hall.JPG hall schematic diagram]
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