The Analogue Inputs (Can be used for digital too) can accept a maximum of 5v and a minimum of 0v.
and the digital ins are "on" when voltage is greater than 0?
so lets say i want to create and indicator that displays if my headlights are on....i connect the POS 12 to a (one) digital input port?
also im trying to hook up my "radio detector" to my ride runner. I was thinking of running cables from the LEDs that come on when a signal is detected to the fusion brain and make it trigger a skin saying "kA band detected" etc.... just a tough.
on a side note...
i showed the board to my electrical engineering professor today... he was quite fascinated and said "i need one of them little gadgets!"... he was asking about sampling rate and A/D conversion accuracy ...i pointed him to your website... :)
If it was a digital input on Version 3, then anything between 0v and 0.7-0.8v is considered a 0. Anything between 4.2-4.3 and 5v, is considered a 1. Anything inbetween is undetermined, and can have random values.
Also dont connect anything that outputs more than 5v. So your 12v signal needs to be divided and hopefully isolated, then connect it to an input.
The LED indicators will work well. Those values shouldnt be too large, but again always use your multimeter before the magic electronics smoke escape.
The sampling rate is actually quite high, but most of it is thrown away. We used a methodology of the PC gets data when it asks for it. Resolution is 10bit.
I have the stock radio behind my 8" touchscreen.. Notice how I have the 3 gaugues (boost, a/f and fuel pressure) on the top part where I wanted to put a 2nd screen. If I could move these gauges back where my HVAC controls are now I could then put a 2nd screen!