![]() The readings also oscillated a few points.Īfter experimenting after reading some comments about RF interference etc. I originally used 5volt pin on Arduino and I did find I got some failed to reads now and again usually during very cold nights. I doubled up two of the eight available wires for each line. I did find that joints need a good solder connection and all screened. This has been running stable readings for over 6 months now. I upload my readings to Cayenne cloud based server with apps to view readings every 3 minutes. The Arduino is inside and the cable runs into the greenhouse about 5 metres of cable then carries on to a place on the fence at the end of the garden that is always in the shade to get an accurate shade temp reading. I have two waterproof ds1820 sensors running over cat 6 cable. 25 Useful Arduino Shields That You Might Need to Get.21 Arduino Modules You Can Buy For Less Than $2.Android Apps for Arduino with MIT App Inventor 2 eBook.Complete Guide for Ultrasonic Sensor HC-SR04 with Arduino.Complete Guide for RF 433MHz Transmitter/Receiver Module With Arduino.Guide for I2C OLED Display with Arduino.We also have guides for other Arduino sensors and modules that you may like: Where to buy? Compare the waterproof DS18B20 temperature sensor prices on Maker Advisor. The wiring and specifications are the same as for the normal DS18B20. The wires are protected with PVC which is ideal if you need to measure the temperature of liquids, or if the sensor needs to be exposed to water. The DS18B20 is also available in waterproof version ( read the DS18B20 guide).
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