def testPicoDirectDriveFs1000sV03(): print('Begin Pico TxD (GP0) direct drive FS1000S, ...') testBytes = b'\0x5b\0xb5' for count in range(100000): uart0.write(testBytes) utime.sleep(0.01) print('End Pico GP0 direct drive FS1000S.') return # *** Main *** #testUartLoopBackV01() #testUartLoopBackV02() testPicoDirectDriveFs1000sV03() # .END ''' *** Sample output *** MicroPython v1.16 on 2021-06-18; Raspberry Pi Pico with RP2040 Type "help()" for more information. >>> %Run -c $EDITOR_CONTENT Begin Pico TxD (GP0) direct drive FS1000S, ... '''