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Merge pull request #15 from snkYmkrct/main
Add displayio example
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# SPDX-FileCopyrightText: 2024 | ||
# SPDX-License-Identifier: MIT | ||
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import time | ||
import board | ||
from adafruit_display_text.bitmap_label import Label | ||
from displayio import Group | ||
from terminalio import FONT | ||
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import adafruit_sht4x | ||
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# Create sensor object, communicating over the board's default I2C bus | ||
i2c = board.I2C() # uses board.SCL and board.SDA | ||
# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector | ||
sht = adafruit_sht4x.SHT4x(i2c) | ||
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print("Found SHT4x with serial number", hex(sht.serial_number)) | ||
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sht.mode = adafruit_sht4x.Mode.NOHEAT_HIGHPRECISION | ||
# Can also set the mode to enable heater | ||
# sht.mode = adafruit_sht4x.Mode.LOWHEAT_100MS | ||
# print("Current mode is: ", adafruit_sht4x.Mode.string[sht.mode]) | ||
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# Example written for boards with built-in displays | ||
display = board.DISPLAY | ||
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# Create a main_group to hold anything we want to show on the display. | ||
main_group = Group() | ||
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# Create a Label to show the readings. If you have a very small | ||
# display you may need to change to scale=1. | ||
display_output_label = Label(FONT, text="", scale=2) | ||
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# Place the label near the top left corner with anchored positioning | ||
display_output_label.anchor_point = (0, 0) | ||
display_output_label.anchored_position = (4, 4) | ||
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# Add the label to the main_group | ||
main_group.append(display_output_label) | ||
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# Set the main_group as the root_group of the display | ||
display.root_group = main_group | ||
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# Begin main loop | ||
while True: | ||
temperature, relative_humidity = sht.measurements | ||
# Update the label.text property to change the text on the display | ||
display_output_label.text = ( | ||
f"Temperature: {temperature:.1f} C \nHumidity: {relative_humidity:.1f} %" | ||
) | ||
# Wait for a bit | ||
time.sleep(1) |