SparkX SAMD21 Pro RF 1W
SPX-15034
LoRa stands for ‘Long-Range,’ referring to a modulation technique whose specialty is low power
transmission of small data packets – perfect for Internet of Things applications. Using either point-topoint radio or LoRaWAN you can send data from a node in a remote location back to your base
station to check in on sensors or track equipment. Communication is possible in the other direction
as well to send commands or control actuators!
This is the updated version (x02) of the original. We’ve removed the battery charger so that you can
now power it with up to 15 volts in the field, removed a redundant U.FL connection for cleaner RF
output, and most importantly exposed the flash memory on a separate SPI port. This makes the
board compatible with Micro/CircuitPython while still being able to run the radio module.
Like the LoRa®-enabled SparkX Pro RF this board is based on the Semtech SX1276 transceiver,
but the module boasts a whopping 1W output power. All that extra oomph makes it possible to send
small messages up to 9 miles using common rubber-duck type antennas.
In addition to more transmission power the SparkX SAMD21 ProRF 1W gets more computational
power courtesy of the SAMD21 microcontroller running at 48 MHz. We used the additional GPIO
pins to permanently enable LoRaWAN signals. This means more pins for you to connect to sensors
and actuators, even when connecting to a LoRaWAN network like The Things Network.
Checkout the SAMD21 Mini/Dev Breakout Hookup Guide as a general starting point for the SAMD21
Pro RF 1W.
To get you started we’ve included some basic Point-2-Point examples.
Experimental Product: SparkX products are rapidly produced to bring you the most cutting edge
technology as it becomes available. These products are tested but come with no guarantees. Live
technical support is not available for SparkX products. Head on over to our forum for support or to
ask a question.
SPI Silkscreen Mis-label The top side silkscreen tag for SPI (not SPI1) should read MISO MOSI
SCLK from left to right. (Instead it reads MOSI MISO SCLK). The labels are correct on the bottom
side.
https://www.sparkfun.com/products/15034 11-12-18
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