The DS18B20 is a low cost, low power and reliable temperature sensor that is very well supported, and widely uséd with Arduino, Raspberry Pi and other devices. It's very simple to use and can be included in many projects.
Orders received before 2pm on normal weekdays will be posted the same day. Orders received later or on public holidays/weekends will be posted the next business day. We will post Royal Mail 2nd Class at no charge. If you want faster delivery, please ensure you select Royal Mail 1st Class - or if you are really in a hurry there is an option for guaranteed delivery by 1pm the next business day.
Technical details:-
| Specifications | |
|---|---|
| Operating Voltage | 3.0 - 5.5V DC |
| Operating Current | 4.0 mA max |
| Sensor Resolution | 9 to 12 bit selectable resolution |
| Temperature Sensor | -10 to +85°C with ~0.5°C accuracy -55 to 125°C with ~2.0 °C accuracy |
| Maximum Sampling Rate | 1 second |
Each sensor has an embedded unique ID which can be read in software. Sensors can be wired up in parallel and read independently, only using one data pin on your Arduino to read multiple DS18B20 sensors.
The manufacturer recommends that the sensor is connected to your micro-controller with a 4K7 pull-up resistor on the data line, but any values close to this should work.
Thanks for your interest!