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we have plain 433MHz packet radios as well
The RA8875 does not tri-state the MISO pin
or DIY iPod chargers
They're driven by the HT16K33 chip over I2C
As of Nov 5
Adafruit Feather M0 Express - Designed for CircuitPython - ATSAMD21 Cortex M0 monochrome we have plain 433MHz packetAt the Feather M0's heart is an ATSAMD21G18 ARM Cortex M0+ processor, clocked at 48 MHz and at 3. 3V logic, the same one used in the Arduino Zero. This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and 32K of RAM (16x as much)! This chip comes with built in USB so it has USB to Serial program & debug capability built in with no need for an FTDI like chip. Please note that while this board was our first for CircuitPython usage,
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