jremington:
Much easier to get a 5V Arduino.
I know, but I use 3.3V ESP's, 3.3V transceivers and most other sensors I generally use is 3.3V, so I bought a whole bunch of 3.3V Mini Pro's and need to use them 
jremington:
Much easier to get a 5V Arduino.
I know, but I use 3.3V ESP's, 3.3V transceivers and most other sensors I generally use is 3.3V, so I bought a whole bunch of 3.3V Mini Pro's and need to use them