about the hall effect sensor.. i see on google that there are 2 types of them. one whith 3 legs and on whit 4...
is it the one whit 4 thats the one to use.. and are there one kind u like best.. im shoping parts on ebay.
Re: 8x85 RGB whit 1 Chip?
Posted: Thu Mar 17, 2011 10:51 am
Either should be fine.
I think the one with four legs just has an enable pin. so you can choose to enable or disable the sensor.
With my circuit, I always have the sensor enabled by connecting it to vcc with a resistor.