The DS18B20 Waterproof Digital Temperature Sensor is a highly accurate and reliable temperature sensing probe designed for measuring temperatures in liquids, air, and harsh environments. It features a stainless-steel waterproof probe and communicates using the One-Wire digital interface, allowing multiple sensors to operate on a single data line.
Widely used with Arduino, ESP32, Raspberry Pi, STM32, and other microcontrollers, the DS18B20 provides precise digital temperature readings without requiring external analog-to-digital conversion.
| Parameter | Details |
|---|---|
| Sensor Type | DS18B20 Digital Temperature Sensor |
| Interface | One-Wire Digital |
| Operating Voltage | 3.0V – 5.5V DC |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C (-10°C to +85°C) |
| Resolution | 9 to 12 Bit (Programmable) |
| Probe Material | Stainless Steel |
| Cable Type | PVC Insulated |
| Cable Length | Approx. 1 Meter |
| Waterproof Rating | Waterproof Probe |
| Output Type | Digital |
| Wire Color | Function |
|---|---|
| Red | VCC |
| Black | GND |
| Yellow/White | Data |
The DS18B20 measures temperature internally and converts it into a digital signal. The temperature data is transmitted through a One-Wire communication protocol, allowing a microcontroller to read accurate temperature values using only a single data pin.
A 4.7kΩ pull-up resistor between the Data and VCC lines is recommended for proper One-Wire communication.
Product appearance, cable color, and dimensions may vary slightly between manufacturing batches without affecting functionality or performance.
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