Sensors SHT35, SHT31 and SHT30
PriceChinese modules price: 7-17$
Adafruit SHT31 module price: 18$ + tax + delievery
Library: arduino-sht (github)
I2C device address, 0x44 or 0x45
Connect
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#include <Wire.h> #include <SHTSensor.h> SHTSensor sht; void setup() { // put your setup code here, to run once: Wire.begin(); Serial.begin(9600); delay(1000); // let serial console settle if (sht.init()) { Serial.print("Sensor Senserion SHT3X"); Serial.print("\n\n"); } else { Serial.print("init(): failed\n"); } sht.setAccuracy(SHTSensor::SHT_ACCURACY_HIGH); // only supported by SHT3x } void loop() { // put your main code here, to run repeatedly: if (sht.readSample()) { Serial.print(" T: "); Serial.print(sht.getTemperature(), 2); Serial.print(" "); Serial.print(" RH: "); Serial.print(sht.getHumidity(), 2); Serial.print("\n"); } else { Serial.print("Error in readSample()\n"); } delay(1000); } |
Chinese modules Test Results
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Other sensor test examples
Sensors test examples:
v1 draft multiple humidity sensors comparision
Test 1 with SD datalogging 2 mux 20 hours
Test 1 SD Datalog with AHT10 and high humidity
Test 5 v5 saturated salt solution
Test 4 v6 Saturated NaCl solution
Test 2 v7 room RH12 low humidity
Test 3 v7 balcony RH15-92 changing humidity
Test 4 v8 RH12 to RH94#SensirionSensorsHumidity
Test 1 v8b Balcony high to mid RH