Adafruit (PID 3176) Feather M0 RFM69HCW Packet Radio - 868 or 915 MHz
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<b>[Product Information]</b><br>
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<li>Measures 2.0" x 0.9" x 0.3" (51mm x 23mm x 8mm) without headers soldered in Light as a (large?) feather - 5.8 grams</li>
<li>ATSAMD21G18 @ 48MHz with 3.3V logic/power No EEPROM</li>
<li>3.3V regulator with 500mA peak current output. Built in 100mA lipoly charger with charging status indicator LED</li>
<li>USB native support, comes with USB bootloader and serial port debugging You also get tons of pins - 20 GPIO pins</li>
<li>Hardware Serial, hardware I2C, hardware SPI support 8 x PWM pins 10 x analog inputs 1 x analog output</li>
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