I recently purchased a 5V arduino pro mini that I now wish to connect to a BLE device.
I firstly tried the BLE device with my Uno board and it worked very well! However when I now try to use it on my mini it does not start.
This is my wiring: First I connect the pro mini to the uno in order to upload the code looking like this:
Arduino Mini Pro to Arduino Uno
RX --> TX
- TX --> RX
- VCC --> 5v
- GND --> GND
- RST --> RST
Then I wire the mini to my BLE device (https://learn.adafruit.com/getting-started-with-the-nrf8001-bluefruit-le-breakout/hooking-everything-up):
Arduino Mini Pro to BLE nRF8001
13 --> SCK
- 12 --> MISO
- 11 --> MOSI
- 10 --> REQ
- 9 --> RST
- 2 --> RDY
- GND --> GND
- VCC --> VIN
When I connect this setup to the computer the arduino uno starts and also the pro mini (both has LED lights on). I upload a simple test code that worked when i tried it with the uno but the BLE device does not respond (it seems like it does not turn on) when i use it with the pro mini.
Any idea what might be wrong? I have my board put as: Arduino Pro or Pro Mini, ATmega328 (5V, 16 MHz).
Thanks a ton!! :)