Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Interface	1-Wire Digital
Operating Voltage	3.0V - 5.5V
PCB Dimensions	22mm x 14mm
Mounting Hole Diameter	3mm
Connector Type	3-Pin Header (VCC, Data, GND)
Pull-up Resistor	4.7kΩ On-board
Material	FR-4 PCB
Compatibility	Arduino, Raspberry Pi, ESP8266, ESP32
Package Contents	1x Module Board (Sensor IC Not Included)
Application Range	HVAC, Aquariums, Industrial Monitoring

6 reviews

Anonymous

Mar 26, 2026

Rating: 4/5

Good quality, but read the description

The module itself is high quality and the onboard resistor saves time. I deducted one star because I initially missed that the sensor wasn't included and had to wait for parts. Once I soldered the chip on, performance was excellent.

Anonymous

Mar 23, 2026

Rating: 5/5

Robust design for industrial use

Using these in a small factory monitoring setup. The PCB is thick and durable. The 1-wire protocol allows me to daisy-chain multiple units easily. Highly recommended for anyone building custom temperature probes.

Anonymous

Mar 22, 2026

Rating: 5/5

Perfect breakout board for custom sensors

Exactly what I needed. The board is well-made with clear silkscreen labels. Just remember to buy the DS18B20 chip separately as stated in the title. Soldered my own sensor on and it works flawlessly with my Arduino project.

Anonymous

Mar 19, 2026

Rating: 4/5

Solid module, waterproofing is up to you

The board works great for measuring water temperature in my tank. Note that the board itself is not waterproof, so I had to enclose it in a waterproof box. The signal stability is very good though.

Anonymous

Mar 07, 2026

Rating: 5/5

Great for learning electronics

Bought this for a university project. It forced me to learn proper soldering techniques since the chip wasn't pre-installed. The pinout is standard and worked immediately with the DallasTemperature library.

Anonymous

Mar 04, 2026

Rating: 5/5

Reliable and compact

Small footprint makes it easy to fit into tight enclosures. The gold-plated pads make soldering the DS18B20 chip very easy. No issues with noise or data dropouts over long cables.

5 FAQ

Q: Does this come with the DS18B20 sensor already soldered on?

A: No, this product is the module board only. The DS18B20 temperature sensor IC is not included and must be purchased separately and soldered onto the board by the user.

Q: Do I need to add an external pull-up resistor?

A: No, this module features a built-in 4.7kΩ pull-up resistor on the data line, so no external components are needed for basic operation.

Q: Is this compatible with 3.3V logic systems like ESP32?

A: Yes, the module operates within a voltage range of 3.0V to 5.5V, making it fully compatible with both 3.3V systems (like ESP32/Raspberry Pi) and 5V systems (like Arduino Uno).

Q: Can I connect multiple of these modules to a single GPIO pin?

A: Yes, the DS18B20 uses a 1-Wire protocol which supports multi-drop capability. You can connect multiple modules to the same data line, provided each sensor has a unique address.

Q: What is the maximum cable length supported for reliable readings?

A: While dependent on cable quality and environment, users typically achieve reliable communication up to 50-100 meters using shielded twisted pair cable. For longer distances, a stronger pull-up resistor may be required.

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