ScoutMakes FM Radio Board - STEMMA QT / Qwiic

RDA5807 FM receiver breakout with I2C control via STEMMA QT / Qwiic (JST-SH 4-pin). Supports Arduino and CircuitPython with provided libraries; receive frequency and volume set over I2C.

Logical pinout · physical placement not verified

VCC
Power pin; board includes a regulator and accepts the same power as the microcontroller logic level.
Type · PowerVoltage · 3-5VDC
GND
Common ground for power and logic.
Type · GroundVoltage · 0V
SCL
I2C clock pin; level shifted for 3-5V logic with a 10K pullup.
Type · I2CVoltage · 3-5V logic
SDA
I2C data pin; level shifted for 3-5V logic with a 10K pullup.
Type · I2CVoltage · 3-5V logic
STEMMA QT
STEMMA QT / Qwiic connector pair carrying I2C and power to compatible boards/accessories.
Type · UnknownVoltage · 3-5V board power / logic per VCC
ANT
Header where a piece of hook-up wire can be soldered as an antenna.
Type · Signal
3.5mm headphone jack
Audio output for headphones or an external speaker.
Type · Unknown
LED jumper
Back-side jumper that can be cut to disable power to the red on-board power LED.
Type · Control

Pin	Type	Function	Voltage
VCC	Power	Power pin; board includes a regulator and accepts the same power as the microcontroller logic level.	3-5VDC
GND	Ground	Common ground for power and logic.	0V
SCL	I2C	I2C clock pin; level shifted for 3-5V logic with a 10K pullup.	3-5V logic
SDA	I2C	I2C data pin; level shifted for 3-5V logic with a 10K pullup.	3-5V logic
STEMMA QT	Unknown	STEMMA QT / Qwiic connector pair carrying I2C and power to compatible boards/accessories.	3-5V board power / logic per VCC
ANT	Signal	Header where a piece of hook-up wire can be soldered as an antenna.
3.5mm headphone jack	Unknown	Audio output for headphones or an external speaker.
LED jumper	Control	Back-side jumper that can be cut to disable power to the red on-board power LED.

Logical pinout · physical placement not verified

Pin details

8 connections

VCC
Power pin; board includes a regulator and accepts the same power as the microcontroller logic level.
PowerVoltage · 3-5VDC
GND
Common ground for power and logic.
GroundVoltage · 0V
SCL
I2C clock pin; level shifted for 3-5V logic with a 10K pullup.
I2CVoltage · 3-5V logic
SDA
I2C data pin; level shifted for 3-5V logic with a 10K pullup.
I2CVoltage · 3-5V logic
STEMMA QT
STEMMA QT / Qwiic connector pair carrying I2C and power to compatible boards/accessories.
UnknownVoltage · 3-5V board power / logic per VCC
ANT
Header where a piece of hook-up wire can be soldered as an antenna.
Signal
3.5mm headphone jack
Audio output for headphones or an external speaker.
Unknown
LED jumper
Back-side jumper that can be cut to disable power to the red on-board power LED.
Control

Start wiring

UART · SPI · 3.3 V · Breakout

Confirm the data interface matches your host board.

Module pins: VCC, GND, SCL, SDA, ANT. Schematik maps them to your board in the app.

LoRa & RF

93 other options

RFM95W and SX1262 LoRa transceivers, Wio-E5 LoRaWAN modules, SX1302 gateways, Digi XBee mesh radios, 433 MHz ASK serial links, Dragino IoT sensor nodes, and the SDRplay RSP2 wideband SDR receiver.

View all 93

Related groups

4 groups

Bluetooth

BLE 5-era modules (nRF52840, MDBT50Q), XIAO MG24 boards with Matter-over-Thread, Bluefruit UART/SPI bridges, HM-11 serial modules, and BLE sniffers cover different jobs and different hosts.

Wireless & comms · Bluetooth modules · 71 parts

Cellular

Adafruit FONA GSM breakouts, the Gravity Air780EU 4G Cat 1 module, Dragino NB-IoT Shield-B8, Pycom FiPy, Quectel and SIMCom M.2 5G modems, and the RockBLOCK 9603 Iridium modem each target a different network tier.

Wireless & comms · Cellular · 58 parts

GNSS & GPS

Adafruit Ultimate GPS (PA1616S/PA1616D), NEO-6M and NEO-M9N u-blox breakouts, Gravity GNSS BeiDou boards with I2C/UART, and 4G or LoRa RTK kits — accuracy and constellation requirements split them.

Wireless & comms · GNSS & GPS · 68 parts

Networking

ESP8285, ATWINC1500, and EMW3060 Wi-Fi modules; the WIZ5500 Ethernet co-processor; the DP83848 RMII PHY board; 802.11n USB adapters for the Pi; and an XBee USB configuration adapter.

Wireless & comms · Wi-Fi & networking · 26 parts