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Home / Computer Hardware, Monitors & Peripherals / DS18B20 Temperature Detection Module, Programmable Digital Temperature Sensor with Thermostat Switch for Development and Learning

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Interface Protocol 1-Wire Bus
Operating Voltage 3.0V to 5.5V DC
Temperature Range -55°C to +125°C
Measurement Accuracy ±0.5°C (0°C to +85°C)
Digital Resolution 9 to 12 Bit
Conversion Time 750ms Maximum
Power Supply Mode Parasite or External
Pin Configuration VCC, GND, Data
Microcontroller Compatibility Arduino, Raspberry Pi, ESP32
Module Dimensions 18mm x 12mm x 5mm

5 reviews

A

Anonymous

Apr 15, 2026

Rating: 5/5

Excellent Quality Module

Fast shipping and sensor works exactly as described in specs.

A

Anonymous

Mar 23, 2026

Rating: 5/5

Reliable Temperature Monitor

Used it for a greenhouse monitor. Very stable readings over time.

A

Anonymous

Mar 18, 2026

Rating: 5/5

Great for Arduino Projects

Works perfectly with my Uno project. Easy to wire and read values.

A

Anonymous

Feb 28, 2026

Rating: 3/5

Okay for Beginners

Documentation could be better for wiring configurations.

A

Anonymous

Feb 17, 2026

Rating: 4/5

Good Value Sensor

Accurate enough for my needs but conversion is a bit slow.

5 FAQ

Q: What is the maximum cable length?

A: We recommend keeping cables under 100 meters for reliable communication.

Q: Is this module waterproof?

A: The module itself is not waterproof, only the stainless steel probe version is.

Q: Does it work with 3.3V logic?

A: Yes, it operates safely between 3.0V and 5.5V DC.

Q: What library should I use for coding?

A: OneWire and DallasTemperature libraries are recommended for most platforms.

Q: Can I connect multiple sensors to one pin?

A: Yes, multiple DS18B20 sensors can share one data pin using the 1-Wire protocol.

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