jepler f20255813f samd51 thing plus: new port
testing performed:
 * successfully store and retrieve a 500kB file on the flash
 * square wave output on each pin appears on o'scope
 * board.SPI(), board.SERIAL(), board.I2C() all construct
2020-02-25 11:52:23 -06:00
..
2020-02-25 11:52:23 -06:00
2018-11-09 11:33:56 -08:00
2020-01-28 17:11:25 -05:00