TM1650

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)

From microbit/micropython Chinese community.