March 7, 2012
about 2 years ago
I got an email from the manufacturer stating that the I/O pins are 3.3v but the power supplied to the unit should be at least 4.6v, be careful all those planning to use a 5V TTL for the I/O, I also understand from the manufacturer ADH that unit is less reliable if powered at 3.3V
Could I suggest that Sparkfun avoid using the term “5V TTL”?.
The documentation says that I/O pins are 3.3v can you confirm that 5v logic levels are safe?
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