The problem is as values update the previous values are not cleared, or overwritten, so they are one on top of the other. After a few minutes some of the characters are just a blur.
Am I not formatting the value correctly, can I set the background of the character to black, is there a different way to send both the text and value in the same line?
Thanks for your help the code is below
John
Code: Select all
"""
Read Temp and Humidity
Dislay on OLED
"""
import board
import displayio
import terminalio
import adafruit_shtc3
import time
# can try import bitmap_label below for alternative
from adafruit_display_text import label
import adafruit_displayio_sh1107
displayio.release_displays()
# oled_reset = board.D9
# Use for I2C
i2c = board.I2C()
display_bus = displayio.I2CDisplay(i2c, device_address=0x3C)
# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
sht = adafruit_shtc3.SHTC3(i2c)
# SH1107 is vertically oriented 64x128
WIDTH = 128
HEIGHT = 64
BORDER = 2
display = adafruit_displayio_sh1107.SH1107(
display_bus, width=WIDTH, height=HEIGHT, rotation=0
)
# Make the display context
splash = displayio.Group()
display.show(splash)
color_bitmap = displayio.Bitmap(WIDTH, HEIGHT, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0xFFFFFF # White
#bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
#splash.append(bg_sprite)
# Draw a smaller inner rectangle in black
#inner_bitmap = displayio.Bitmap(WIDTH - BORDER * 2, HEIGHT - BORDER * 2, 1)
#inner_palette = displayio.Palette(1)
#inner_palette[0] = 0x000000 # Black
#inner_sprite = displayio.TileGrid(
# inner_bitmap, pixel_shader=inner_palette, x=BORDER, y=BORDER
#)
#splash.append(inner_sprite)
# Draw some white squares
#sm_bitmap = displayio.Bitmap(8, 8, 1)
#sm_square = displayio.TileGrid(sm_bitmap, pixel_shader=color_palette, x=58, y=17)
#splash.append(sm_square)
#med_bitmap = displayio.Bitmap(16, 16, 1)
#med_square = displayio.TileGrid(med_bitmap, pixel_shader=color_palette, x=71, y=15)
#splash.append(med_square)
#lrg_bitmap = displayio.Bitmap(32, 32, 1)
#lrg_square = displayio.TileGrid(lrg_bitmap, pixel_shader=color_palette, x=91, y=28)
#splash.append(lrg_square)
# Draw some label text
#text1 = "0123456789ABCDEF123456789AB" # overly long to see where it clips
#text_area = label.Label(terminalio.FONT, text=text1, color=0xFFFFFF, x=8, y=8)
#splash.append(text_area)
#text2 = "SH1107"
#text_area2 = label.Label(
# terminalio.FONT, text=text2, scale=2, color=0xFFFFFF, x=9, y=44
#)
#splash.append(text_area2)
while True:
temperature, relative_humidity = sht.measurements
print("Temperature: %0.1f C" % temperature)
print("Humidity: %0.1f %%" % relative_humidity)
print("")
text1 = "Temperature: %0.1f C" % temperature
text_area = label.Label(terminalio.FONT, text=text1, color=0xFFFFFF, x=8, y=8)
splash.append(text_area)
text2 = "Humidity: %0.1f %%" % relative_humidity
text_area2 = label.Label(
terminalio.FONT, text=text2, scale=1, color=0xFFFFFF, x=9, y=44
)
splash.append(text_area2)
time.sleep(1)