microbit-lib
Four Digit Display TM1650/HBS650 drive
Four Digit Display is a Module with four 7-segment LED, it can show number. It has TM1650 chip inside, control with a I2C bus.
I2C Address
| command | Display |
|---|---|
| 0x24 | 0x34 - 0x37 |
API
-
intensity(dat = -1)
set display intensity.
dat is intensity will be set, it can be [0 - 8]. if dat is zero, display will be turn off.
if not dat given, or dat > 8, or dat < 0, it will return current intensity. -
on()
turn on display -
off()
turn off display -
clear（）
clear content of the display -
shownum(num)
show a interger number in display. -
showhex(num)
show a hex number. -
showDP(bit = 1, show = True)
show or hide dot piont in give bit
bit is dot piont position, [0 - 3]
show, True will show DP, other will hide it
example
from microbit import *
import FourDigitDisplay
fdd = FourDigitDisplay.FourDigitDisplay()
n = 0
while 1:
fdd.shownum(n)
n += 1
sleep(1000)