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Merge pull request #2763 from adafruit/aht20_ltc4316

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adding ltc4316 examples with the aht20
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Liz 2024-04-04 16:11:50 -04:00 committed by GitHub
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LTC4316_Examples/LTC4316_Arduino_Example/LTC4316_Arduino_Example.ino Normal file
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// SPDX-FileCopyrightText: 2023 Carter Nelson for Adafruit Industries
//
// SPDX-License-Identifier: MIT
// LTC4315 with two AHT20 sensors example
// Set the LTC4315 switch A5 on and switch A4 off
// The translated sensor will be on address 0x68
#include <Adafruit_AHTX0.h>
Adafruit_AHTX0 default_aht;
Adafruit_AHTX0 ltc4316_aht;
void setup() {
Serial.begin(115200);
while ( !Serial ) delay(10);
Serial.println("Adafruit AHT20 with LTC4316 demo!");
if (! default_aht.begin(&Wire, 0, 0x38)) {
Serial.println("Could not find AHT20 on 0x38? Check wiring.");
while (1) delay(10);
}
if (! ltc4316_aht.begin(&Wire, 0, 0x68)) {
Serial.println("Could not find AHT20 attached to LTC4316 on 0x68? Check wiring and switches");
while (1) delay(10);
}
Serial.println("AHT20 sensors found on 0x38 and 0x68");
}
void loop() {
sensors_event_t humidity0, temp0;
sensors_event_t humidity1, temp1;
default_aht.getEvent(&humidity0, &temp0);// populate temp and humidity objects with fresh data
ltc4316_aht.getEvent(&humidity1, &temp1);// populate temp and humidity objects with fresh data
Serial.println("AHT20 on 0x38:");
Serial.print("Temperature: "); Serial.print(temp0.temperature); Serial.println(" degrees C");
Serial.print("Humidity: "); Serial.print(humidity0.relative_humidity); Serial.println("% rH");
Serial.println();
Serial.println("AHT20 on 0x68:");
Serial.print("Temperature: "); Serial.print(temp1.temperature); Serial.println(" degrees C");
Serial.print("Humidity: "); Serial.print(humidity1.relative_humidity); Serial.println("% rH");
Serial.println();
delay(500);
}

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LTC4316_Examples/LTC4316_CircuitPython_Example/code.py Normal file
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# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
LTC4315 with two AHT20 sensors example
Set the LTC4315 switch A5 on and switch A4 off
The translated sensor will be on address 0x68
"""
import time
import board
import adafruit_ahtx0
# 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 on a microcontroller
default_sensor = adafruit_ahtx0.AHTx0(i2c, 0x38)
translated_sensor = adafruit_ahtx0.AHTx0(i2c, 0x68)
while True:
print("\nAHT20 at 0x38:")
print(f"Temperature: {default_sensor.temperature:0.1f} C")
print(f"Humidity: {default_sensor.relative_humidity:0.1f} %")
print("\nAHT20 at 0x68:")
print(f"Temperature: {translated_sensor.temperature:0.1f} C")
print(f"Humidity: {translated_sensor.relative_humidity:0.1f} %")
time.sleep(2)