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Adafruit Feather nRF52 Bluefruit LE (nRF52832) thumbnail

Adafruit Feather nRF52 Bluefruit LE (nRF52832)

Feather-format development board featuring Nordic nRF52832 SoC with Bluetooth LE, built-in LiPo charger, USB-UART, and Arduino IDE support. MCU: Nordic nRF52832 (Cortex-M4F, 64 MHz, 512KB flash, 64KB RAM).

MANUFACTURERAdafruit Industries
PART NUMBER3406
VERSION1.1.0
DOMAINSelectrical, mechanical, network
TAXONOMYmicrocontroller.adafruit_mcu
LICENSEApache-2.0
i2cspiuartusb

UHD definition — interfaces

INTERFACE
DOMAIN
PROTOCOL · ROLE
SLOTS / PROFILE
PARAMETERS
VBUS
electrical
power · input
—
voltage 4.5 V – 5.2 V
VBAT
electrical
power · input
—
voltage 3 V – 4.2 V
3V3
electrical
power · input / output
—
voltage 3 V – 3.4 V · Max regulator output (peak) 500 mA
GND
electrical
power · ground
—
—
EN
electrical
digital · input
—
voltage 3 V – 3.4 V
RST
electrical
digital · input
—
voltage 3 V – 3.4 V
I2C (Wire)
electrical
i2c · master
sda → SDA · scl → SCL (profile: I2C (Wire))
clock_freq 400 kHz
SPI
electrical
spi · master
mosi → MOSI · miso → MISO · sck → SCK (profile: SPI)
clock_freq 8 MHz
UART to USB (via CP2104)
electrical
uart · device
rx → RX · tx → TX (profile: UART to USB (via CP2104))
—
ADC (A0-A7)
electrical
analog · input
channel → A0 + A1 + A2 + A3 + A4 + A5 + A6 + A7 (profile: A0-A7 header pins)
—
Power Inputs
electrical
power · input
vbus → VBUS · vbat → VBAT · gnd → GND (profile: VBUS / VBAT / GND)
—
USB Micro-B
electrical
usb · device (+1)
—
voltage 4.5 V – 5.2 V · max_current 500 mA
JST-PH Battery Connector
electrical
power · input
—
voltage 3 V – 4.2 V
Bluetooth LE Radio (nRF52832)
network
bluetooth · peer
—
—
Feather header rows
mechanical
mechanical_connection · connector
—
—
Feather footprint
mechanical
mechanical_connection · mounting_point
headers → Feather header rows (profile: Feather header rows)
—
Power Sources (USB VBUS, LiPo VBAT, or regulated 3.3 V): any_of( pin_vbus, pin_vbat, pin_3v3 ) · Bootloader Control Test Points (DFU / FRST): all_of( pin_dfu, pin_frst ) · Analog Inputs A0-A7: all_of( pin_a0, pin_a1, pin_a2, pin_a3, pin_a4, pin_a5, pin_a6, pin_a7 )

Artifacts