Hi, just incase there are any novice's out there that are stuck using a ULN2003a like I was yesterday. I was trying to read the voltage out of the ULN2003a to power four
12 volt LED's. I had 4.5 volts from the #picaxe 14m2 I was using to out pins 2,3,4,and 5.However you can't read the voltage at...