There are two main connectors on the board; one is the female SMA antenna connector and in the opposite direction of the board is a 10-pin dual row header. See table below for pinout of this header.
Pin | Name | Name | Pin |
---|---|---|---|
1 | Reset | Misc | 2 |
3 | Interrupt Sleep | Transmit | 4 |
5 | Chip Select | MOSI | 6 |
7 | MISO | SCK | 8 |
9 | GND | VCC (1.8 - 3.6V) | 10 |
There are also two single row headers on the board:
J103 (Not mounted): Two pin header that can be soldered in to do current measurement with an ampere meter. R105 must be unsoldered to enable this feature.
J104 (Not mounted): Three pin header that can be soldered in to access the auxiliary (Miscellaneous) signals from the radio transceiver.