give external supply to nrf51

[nordicbeginner]

hello there,

i am giving external supply to nrf51. my external supply is usb 3.3 v. but when i connect it with nordic and then if i check it on multimeter , it shows me 2.12 v. can you tell me why??

[Roger Clark]

LM117T is a 3.3V regulator.

If you are getting 3.0v offload, you already have a problem before you attach the nRF51.