Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | DS18B20 Digital Temperature Sensor |
| Communication Protocol | 1-Wire Interface |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C (from -10°C to +85°C) |
| Resolution | 9-bit to 12-bit programmable |
| Operating Voltage | 3.0V to 5.5V DC |
| Board Material | FR-4 PCB with Gold Plated Contacts |
| Connector Type | 3-Pin Header (VCC, Data, GND) |
| Application | Arduino, Raspberry Pi, IoT Projects |
| Package Includes | 1x DS18B20 Module Board |
Anonymous
Mar 27, 2026
Rating: 5/5
Easy for beginners
As someone new to electronics, I found this very easy to set up. There are plenty of tutorials online specifically for this module. It lit up immediately when I uploaded the sample code.
Anonymous
Mar 24, 2026
Rating: 4/5
Good value, fast shipping
Great little sensor for the price. It took a moment to get the code right for multiple sensors on one pin, but once configured, it works well. Deducting one star because the header pins were slightly bent upon arrival.
Anonymous
Mar 23, 2026
Rating: 5/5
Reliable and Accurate
I used this for a home brewing temperature monitor. The accuracy is impressive within the specified range. The waterproof probe version is also available if you need to submerge it, but this board is great for ambient air testing.
Anonymous
Mar 21, 2026
Rating: 5/5
Great for greenhouse monitoring
I bought three of these to monitor different zones in my small greenhouse. They communicate perfectly over long wires. Very happy with the stability of the data logs.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid component
Works as expected. The response time is decent, though not instant. Make sure you have a pull-up resistor if your microcontroller board doesn't have one built-in, although many breakout boards include it.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for Arduino Projects
This module works flawlessly with my Arduino Uno. The wiring is straightforward, and the library support is excellent. Readings are consistent and match my calibrated thermometer.
Q: Can I connect multiple sensors to a single GPIO pin?
A: Yes, the DS18B20 supports multi-drop capability via the 1-Wire protocol. You can connect multiple sensors in parallel to one data pin, provided each has a unique address.
Q: Is a pull-up resistor included on the board?
A: Yes, this breakout board includes a 4.7kΩ pull-up resistor between the VCC and Data lines, so you can connect it directly to most microcontrollers without extra components.
Q: Does this module come with a waterproof probe?
A: No, this specific listing is for the bare board module intended for air temperature or dry environments. We do sell a separate waterproof probe version if you need to measure liquid temperatures.
Q: Is this compatible with 3.3V logic like ESP32?
A: Absolutely. The module operates comfortably within the 3.0V to 5.5V range, making it fully compatible with 3.3V systems like the ESP32 and ESP8266.
Q: What is the update rate of the sensor?
A: The conversion time depends on the resolution setting. At 12-bit resolution (highest precision), the conversion takes approximately 750ms. Lower resolutions provide faster updates.
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