nRF52840 Dongle
Blecon Modem for Prototyping
The nRF52840 Dongle is a cheap and widely available USB dongle with an nRF52840 onboard.
Pinout
| Pin Label | Name | Function |
|---|---|---|
GND | GND | Ground |
VBUS | VBUS | USB Power supply |
VDD OUT | VDD | nRF Embedded Regulator Output |
1.13 | RX | UART RX |
1.10 | TX | UART TX |
0.02 | CTS | UART Clear to Send |
1.15 | RTS | UART Ready to Send |
0.09 | NFC1 | NFC antenna connection |
0.10 | NFC2 | NFC antenna connection |
Please note that the Blecon Modem firmware configures the onboard regulator to output 3.0V, and pins to operate at the 3.0V level. However some other firmware might configure those differently (1.8V).
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