CodingPirates/microbit-micropython-cookbook
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@@ -6,6 +6,11 @@ This is the collection of notes, tricks and experiments on BBC micro:bit V2 and
See also [BBC micro:bit V2 MicroPython documentation](https://microbit-micropython.readthedocs.io/en/v2-docs/index.html) See also [BBC micro:bit V2 MicroPython documentation](https://microbit-micropython.readthedocs.io/en/v2-docs/index.html)
Also there's a few projects:
* Simon Says game ([link]([https://github.com/alankrantas/microbit-micropython-cookbook/tree/master/rc_car](https://github.com/alankrantas/microbit-micropython-cookbook/tree/master/simon_game)))
* Simple micro:bit RC Car ([link](https://github.com/alankrantas/microbit-micropython-cookbook/tree/master/rc_car))
## About micro:bit's MicroPython ## About micro:bit's MicroPython
micro:bit's MicroPython is developed by Damien George. Like all other MicroPython variants, this is based on Python 3.4 and has most of the built-ins in a standard CPython 3.4. Of course, this also means features from newer Python and a lot of modules (built-in libraries) are unavaliable. There are also modules designed specifically for micro:bit or general microcontrollers. micro:bit's MicroPython is developed by Damien George. Like all other MicroPython variants, this is based on Python 3.4 and has most of the built-ins in a standard CPython 3.4. Of course, this also means features from newer Python and a lot of modules (built-in libraries) are unavaliable. There are also modules designed specifically for micro:bit or general microcontrollers.
@@ -321,6 +326,42 @@ while True:
The LED screen may flicker because ```read_light_level()``` uses LEDs themselves as light sensors (see [this video](https://www.youtube.com/watch?v=TKhCr-dQMBY)). The LED screen may flicker because ```read_light_level()``` uses LEDs themselves as light sensors (see [this video](https://www.youtube.com/watch?v=TKhCr-dQMBY)).
## Tiny Two-Digit Display
Display two 2x5 digits (range 0~99) on the 5x5 matrix. This is very similar to a MakeCode extension.
```python
from microbit import display, Image, sleep, temperature
digits = {
'0': ('99', '99', '99', '99', '99'),
'1': ('09', '09', '09', '09', '09'),
'2': ('99', '09', '99', '90', '99'),
'3': ('99', '09', '99', '09', '99'),
'4': ('90', '90', '99', '09', '09'),
'5': ('99', '90', '99', '09', '99'),
'6': ('90', '90', '99', '99', '99'),
'7': ('99', '09', '09', '09', '09'),
'8': ('99', '99', '00', '99', '99'),
'9': ('99', '99', '99', '09', '09'),
' ': ('00', '00', '00', '00', '00'),
}
def showDigits(value, b=9, fill_zero=False):
value = min(max(value, 0), 99)
d = ('{:02d}' if fill_zero else '{:2d}').format(value)
return Image(':'.join(
['{}0{}'.format(digits[d[0]][i], digits[d[1]][i]).replace('9', str(b))
for i in range(5)]))
while True:
display.show(showDigits(temperature(), fill_zero=True))
sleep(1000)
```
In showDigits(), parameter b is brightness (0~9) and fill_zero=True means numbers smaller than 10 will be displayed as 01, 02, 03...
## Get Pitch and Roll Degrees ## Get Pitch and Roll Degrees
This is also something exists in MakeCode but not MicroPython. Be noted that the results would be outputed in the REPL console. This is also something exists in MakeCode but not MicroPython. Be noted that the results would be outputed in the REPL console.