Datasheet

2
7
7
8
9
10
11
11
11
11
12
12
15
15
16
16
18
18
19
20
22
22
22
23
23
24
24
24
24
25
25
25
25
26
26
26
26
28
28
29
29
Guide Contents
Guide Contents
Introduction
nRF52832 Technical Details
nRF51 or nRF52 Bluefruit Devices?
Device Pinout
Special Notes
Power Pins
Analog Inputs
PWM Outputs
I2C Pins
Assembly
Header Options!
Soldering in Plain Headers
Prepare the header strip:
Add the breakout board:
And Solder!
Soldering on Female Header
Tape In Place
Flip & Tack Solder
And Solder!
Arduino BSP Setup
1. BSP Installation
Recommended: Installing the BSP via the Board Manager
2. adafruit-nrfutil Tool Installation
3. Advanced Option: Manually Install the BSP via 'git'
Adafruit nRF52 BSP via git (for core development and PRs only)
BSP FAQs
I cannot upload sketch to Feather nRF52 !! Although I have followed the tutorial correctly.
On Linux I'm getting 'arm-none-eabi-g++: no such file or directory', even though 'arm-none-eabi-g++' exists in the
path specified. What should I do?
Arduino Board Setup
1. Select the Board Target
2. Select the USB CDC Serial Port
Download & Install CP2104 Driver (nRF52832)
Download & Install Adafruit Driver (nRF52840 Windows)
3. Run a Test Sketch
FAQs
I cannot upload sketch to Feather nRF52 !! Although I have followed the tutorial correctly.
Using the Bootloader
Forcing Serial Boot Mode
Factory Reset
Advanced: OTA DFU Bootloader
© Adafruit Industries https://learn.adafruit.com/bluefruit-nrf52-feather-learning-guide Page 2 of 175