Raspberry Pi Pico W - Tips and Trick
Annotation about Raspberry Pi Pico and Raspberry Pi Pico W
MicroPython reference
Check if file exist with MicroPython
import os
def sub_file_found():
try:
os.stat('file.txt')
return True
except OSError:
return False
Write lines in a file with MicroPython
def sub_save_lines(n,p):
f = open('file.txt', 'w')
f.write(n)
f.write('\n')
f.write(p)
f.write('\n')
f.close();
Read lines in a file with MicroPython
def sub_read_lines():
f = open('file.txt', 'r')
lines = f.readlines()
f.close();
return lines
Delete a file with MicroPython
import os
def sub_clear_file():
os.remove("file.txt")
Manage on board LED with MicroPython
Simple blink example
led = machine.Pin("LED",machine.Pin.OUT)
while True:
time.sleep (1)
led.off()
time.sleep (1)
led.on()
Convert same object to string with MicroPython
requestString = request.decode('utf-8')
OR
request = str(request)
Try and catch Exception with MicroPython
try:
...
return True
except OSError:
return False
raise RuntimeError('test')
Restart Raspberry Pi Pico via code with MicroPython
import machine
machine.reset()
Raspberry Pi Pico Pinout

Raspberry Pi Pico W Pinout
