Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | DS18B20 / DS18E20 |
| Package Type | TO-92 |
| Communication Protocol | 1-Wire Digital |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C (standard) |
| Resolution | 9 to 12-bit Configurable |
| Supply Voltage | 3.0V to 5.5V DC |
| Pin Configuration | 3-Pin (VDD, Data, GND) |
| Production Status | Domestic New Production |
| Warranty | 30-Day Seller Warranty |
Anonymous
Mar 26, 2026
Rating: 5/5
Great quality chips
Bought a pack of 5. All of them were recognized immediately by the library. No dead on arrival.
Anonymous
Mar 13, 2026
Rating: 5/5
Works flawlessly
Tested these with an Arduino Uno. Readings are stable and match my multimeter thermometer.
Anonymous
Mar 10, 2026
Rating: 4/5
Good but remember the resistor
Sensor works well. Just note you need a 4.7k pull-up resistor for the data line, which is not included.
Anonymous
Feb 18, 2026
Rating: 5/5
Perfect for ESP32 projects
Using these for a home temperature monitoring system. Very reliable over long wires.
Anonymous
Feb 08, 2026
Rating: 5/5
Fast delivery
Arrived quickly and well packaged. Exactly as described in the listing.
Q: Is this sensor waterproof out of the box?
A: No, this is the bare TO-92 package. You will need to encapsulate it yourself for water resistance.
Q: Can I connect multiple sensors to one pin?
A: Yes, the 1-Wire protocol allows multiple devices on the same data line.
Q: What is the difference between B20 and E20?
A: They are functionally equivalent for most temperature sensing applications.
Q: Do you provide a datasheet?
A: Yes, a downloadable datasheet is available in the product documentation section.
Q: Is this compatible with Raspberry Pi?
A: Yes, it is compatible with Raspberry Pi GPIO using the 1-Wire interface.
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