Pimoroni Pico Explorer & BME280 Breakout

code.py

import board
import busio
import time
import terminalio
import displayio
from adafruit_display_text import label
from adafruit_st7789 import ST7789
import adafruit_bme280

i2c = busio.I2C(board.GP21, board.GP20)

bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c, 0x76)
bme280.sea_level_pressure = 1013.25
bme280.mode = adafruit_bme280.MODE_NORMAL
bme280.standby_period = adafruit_bme280.STANDBY_TC_500
bme280.iir_filter = adafruit_bme280.IIR_FILTER_X16
bme280.overscan_pressure = adafruit_bme280.OVERSCAN_X16
bme280.overscan_humidity = adafruit_bme280.OVERSCAN_X1
bme280.overscan_temperature = adafruit_bme280.OVERSCAN_X2

# First set some parameters used for shapes and text
BORDER = 10
FONTSCALE = 2
BACKGROUND_COLOR = 0x00FF00  # Bright Green
FOREGROUND_COLOR = 0xAA0088  # Purple
TEXT_COLOR = 0xFFFF00
TEXT_COLOR1 = 0xFFFFFF

# Release any resources currently in use for the displays
displayio.release_displays()

tft_cs = board.GP17
tft_dc = board.GP16
spi_mosi = board.GP19
spi_clk = board.GP18
spi = busio.SPI(spi_clk, spi_mosi)

display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
display = ST7789(
    display_bus, rotation=180, width=240, height=240, rowstart=80
)

# Make the display context
splash = displayio.Group(max_size=10)
display.show(splash)

color_bitmap = displayio.Bitmap(display.width, display.height, 1)
color_palette = displayio.Palette(1)
color_palette[0] = BACKGROUND_COLOR

bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
splash.append(bg_sprite)

# Draw a smaller inner rectangle
inner_bitmap = displayio.Bitmap(
    display.width - BORDER * 2, display.height - BORDER * 2, 1
)
inner_palette = displayio.Palette(1)
inner_palette[0] = FOREGROUND_COLOR
inner_sprite = displayio.TileGrid(
    inner_bitmap, pixel_shader=inner_palette, x=BORDER, y=BORDER
)
splash.append(inner_sprite)

# Draw a label
text = "Temperature"
text_area = label.Label(terminalio.FONT, text=text, color=TEXT_COLOR)
text_width = text_area.bounding_box[2] * FONTSCALE
text_group = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width // 2,
    y=(display.height // 2) - 85,
)
text_group.append(text_area)  # Subgroup for text scaling

text1 = "%0.1f C" % bme280.temperature
text_area1 = label.Label(terminalio.FONT, text=text1, color=TEXT_COLOR1)
text_width1 = text_area1.bounding_box[2] * FONTSCALE
text_group1 = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width1 // 2,
    y=(display.height // 2) - 60,
)
text_group1.append(text_area1)  # Subgroup for text scaling

text2 = "Humidity"
text_area2 = label.Label(terminalio.FONT, text=text2, color=TEXT_COLOR)
text_width2 = text_area2.bounding_box[2] * FONTSCALE
text_group2 = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width2 // 2,
    y=(display.height // 2) - 36,
)
text_group2.append(text_area2)  # Subgroup for text scaling

text3 = "%0.1f %%" % bme280.relative_humidity
text_area3 = label.Label(terminalio.FONT, text=text3, color=TEXT_COLOR1)
text_width3 = text_area3.bounding_box[2] * FONTSCALE
text_group3 = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width3 // 2,
    y=(display.height // 2) - 12,
)
text_group3.append(text_area3)  # Subgroup for text scaling

text4 = "Pressure"
text_area4 = label.Label(terminalio.FONT, text=text4, color=TEXT_COLOR)
text_width4 = text_area4.bounding_box[2] * FONTSCALE
text_group4 = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width4 // 2,
    y=(display.height // 2) + 12,
)
text_group4.append(text_area4)  # Subgroup for text scaling

text5 = "%0.1f hPa" % bme280.pressure
text_area5 = label.Label(terminalio.FONT, text=text5, color=TEXT_COLOR1)
text_width5 = text_area5.bounding_box[2] * FONTSCALE
text_group5 = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width5 // 2,
    y=(display.height // 2) + 36,
)
text_group5.append(text_area5)  # Subgroup for text scaling

text6 = "Altitude"
text_area6 = label.Label(terminalio.FONT, text=text6, color=TEXT_COLOR)
text_width6 = text_area6.bounding_box[2] * FONTSCALE
text_group6 = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width6 // 2,
    y=(display.height // 2) + 60,
)
text_group6.append(text_area6)  # Subgroup for text scaling

text7 = "%0.2f meters" % bme280.altitude
text_area7 = label.Label(terminalio.FONT, text=text7, color=TEXT_COLOR1)
text_width7 = text_area7.bounding_box[2] * FONTSCALE
text_group7 = displayio.Group(
    max_size=10,
    scale=FONTSCALE,
    x=display.width // 2 - text_width7 // 2,
    y=(display.height // 2) + 84,
)
text_group7.append(text_area7)  # Subgroup for text scaling

splash.append(text_group)
splash.append(text_group1)
splash.append(text_group2)
splash.append(text_group3)
splash.append(text_group4)
splash.append(text_group5)
splash.append(text_group6)
splash.append(text_group7)

while True:
    text_area1.text = "%0.1f C" % bme280.temperature
    text_area3.text = "%0.1f %%" % bme280.relative_humidity
    text_area5.text = "%0.1f hPa" % bme280.pressure
    text_area7.text = "%0.2f meters" % bme280.altitude
    time.sleep(1)
    pass