Micropython Guide

Operations

Plug In

• You will get a portable disk "TPYBFLASH", size 100KB
• Include files:

boot.py -> no need change
main.py -> board main python script
README.txt
tpybcdc.inf -> Board USB shell driver

• Drag new main.py file to update code

Note

• Only restart or re-power after the files is fully copied, the on board status led indicating file transfer should turn off after it done

Code

LED Flow Demo Code

# main.py -- put your code here!
leds = [pyb.LED(i) for i in range(1,5)]

sw=pyb.Switch()
def test():
    pyb.LED(1).on()
    pyb.LED(2).on()
    pyb.LED(3).on()
    pyb.LED(4).on()
    pyb.delay(2000)
sw.callback(test)

for l in leds:
    l.off()

n = 0

try:
   while True:
      n = (n + 1) % 4
      leds[n].toggle()
      pyb.delay(50)
finally:
    for l in leds:
        l.off()

REPL Use Guide

• To use micropython interfactive serial shell REPL prompt, see on this page.
• new REPL - https://docs.micropython.org/en/latest/reference/repl.html
• REPL CMD
• Micropython board demo video.

• Must use putty for first time, less easy to get error
• press CTRL+C to stop or CTRL+D to run program again.
• get >>> to start.

Futher Usage

• Commands line refer to page: MicroPython_CMD
• Boot Guide Micropython Boot