Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface | 1-Wire Digital |
| Operating Voltage | 3.0V to 5.5V |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C (-10°C to +85°C) |
| Resolution | 9 to 12-bit Configurable |
| Protocol | Single Bus (1-Wire) |
| PCB Size | 25mm x 15mm |
| Weight | 5 grams |
| Pin Configuration | 3-Pin (VCC, DATA, GND) |
| Compatibility | Arduino, Raspberry Pi, ESP32 |
Anonymous
Mar 28, 2026
Rating: 5/5
Accurate and Easy to Use
Used this for a university project. Calibration was spot on compared to our lab equipment.
Anonymous
Mar 10, 2026
Rating: 4/5
Good sensor, basic board
The sensor itself is great. The board is simple which is good for breadboarding. Wish it had a waterproof probe option.
Anonymous
Mar 07, 2026
Rating: 5/5
Reliable Temperature Data
I bought five of these for a multi-zone monitoring system. All five responded correctly on the same bus.
Anonymous
Mar 03, 2026
Rating: 3/5
Works but needs pull-up resistor
Just a reminder for beginners, you need an external pull-up resistor on the data line. The module doesn't always have one built-in.
Anonymous
Jan 31, 2026
Rating: 5/5
Perfect for Arduino Projects
Works flawlessly with the OneWire library. Readings are stable and accurate.
Q: Does this work with 3.3V logic?
A: Yes, it operates between 3.0V and 5.5V, so it is compatible with 3.3V systems like ESP32.
Q: What library do you recommend for Arduino?
A: We recommend using the DallasTemperature library along with OneWire.
Q: What is the conversion time?
A: Typically around 750ms for 12-bit resolution, but depends on the configuration setting.
Q: Can I connect multiple sensors to one GPIO pin?
A: Yes, the DS18B20 supports multiple devices on the same 1-Wire bus using unique IDs.
Q: Is this sensor waterproof?
A: No, this is a bare PCB module. For wet environments, please look for our waterproof probe version.
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