INTERFACE
DOMAIN
PROTOCOL · ROLE
SLOTS / PROFILE
PARAMETERS
USB-C receptacle
electrical
usb · device (+1)
—
voltage 4.75 V – 5.25 V · max_current 500 mA
5V power in
electrical
power · input
vin → USB-C receptacle · gnd → USB-C receptacle (profile: USB-C VBUS + connector ground · +1 more)
voltage 4.75 V – 5.25 V · max_current 500 mA
3.3V power out
electrical
power · output
vout → 3V3 pin · gnd → GND pin (profile: 3V3 edge pad + GND edge pad)
voltage 3 V – 3.6 V · max_current 700 mA
USB device/data
electrical
usb · device
dp → USB-C receptacle · dm → USB-C receptacle (profile: USB-C receptacle D+/D-)
—
GPIO (single pin)
electrical
digital · peer
io
—
ADC (single channel)
electrical
analog · input
channel
—
I2C master
electrical
i2c · master
sda → D4 / SDA · scl → D5 / SCL (profile: SDA=D4, SCL=D5)
—
SPI master
electrical
spi · master
mosi → D10 / MOSI · miso → D9 / MISO · sck → D8 / SCK · ss → D7 / RX (also usable as SPI SS) (profile: SPI master)
—
UART
electrical
uart · peer
rx → D7 / RX (also usable as SPI SS) · tx → D6 / TX (profile: TX=D6, RX=D7 (board default))
—
U.FL external antenna connector
network
rf · transceiver
—
—
Wi-Fi (client)
network
wifi · client
antenna → U.FL external antenna connector (profile: U.FL external antenna)
—
Bluetooth LE
network
bluetooth · peer
antenna → U.FL external antenna connector (profile: U.FL external antenna)
—
