Davide Gironi published a new build:
Hall Sensor are pretty common components. Most of the time one will find 3 pin Hall Sensor. But there are time that one can find a 4 pin hall sensor. Those kind of sensor is called dual-channel.
See the full post on his blog.
Check out the video after the break.
from Dangerous Prototypes https://ift.tt/2vNMSE9