Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Model | DS18B20 |
| Communication Protocol | 1-Wire Digital |
| Operating Voltage | 3.0V to 5.5V |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C |
| Cable Length | 1 Meter |
| Protection Rating | IP67 Waterproof |
| Compatible Board | D1 Mini / ESP8266 |
| Pinout | VCC, GND, DATA |
| Package Weight | 15g |
Anonymous
Apr 10, 2026
Rating: 4/5
Good sensor, short cable
Accuracy is good but wish cable was longer for my specific aquarium setup. Otherwise great value.
Anonymous
Mar 29, 2026
Rating: 5/5
Accurate readings
Compared with a calibrated thermometer and the values were very close. Highly recommend for hobbyists.
Anonymous
Mar 21, 2026
Rating: 5/5
Perfect for IoT projects
Works flawlessly with my D1 Mini setup. The library support is excellent and readings are stable.
Anonymous
Mar 06, 2026
Rating: 5/5
Easy to integrate
Found plenty of libraries online. Took me less than 10 minutes to get data logging to my server.
Anonymous
Feb 13, 2026
Rating: 3/5
Shipping was slow
Product works as described but took 2 weeks to arrive. The sensor itself functions correctly.
Q: Is the probe waterproof?
A: Yes, the stainless steel probe is IP67 rated and suitable for damp environments.
Q: Does this work with 3.3V logic?
A: Yes, it operates between 3.0V and 5.5V so it is fully compatible with 3.3V boards.
Q: What is the pull-up resistor value?
A: A 4.7kΩ pull-up resistor is recommended on the data line for stable communication.
Q: Can I connect multiple sensors?
A: Yes, you can daisy-chain multiple sensors on one data pin using unique addresses.
Q: Which library should I use?
A: We recommend the OneWire and DallasTemperature libraries for Arduino IDE.
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