Simple test¶
Ensure your device works with this simple test.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
# This example shows how to access the DS2413 pins and use them for both input
# and output. In this example, it is assumed an LED is attached to IOA and a
# button is attached to IOB. See the datasheet for details about how to
# interface the external hardware (it is different than most Arduino examples).
import time
import board
from adafruit_onewire.bus import OneWireBus
import adafruit_ds2413
# Create OneWire bus
ow_bus = OneWireBus(board.D2)
# Create the DS2413 object from the first one found on the bus
ds = adafruit_ds2413.DS2413(ow_bus, ow_bus.scan()[0])
# LED on IOA
led = ds.IOA
# button on IOB
button = ds.IOB
button.direction = adafruit_ds2413.INPUT
# Loop forever
while True:
# Check for button press
if button.value:
# Print a message.
print("Button pressed!")
# Toggle LED
led.value = not led.value
# A little debounce
time.sleep(0.25)
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