Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Communication Protocol | 1-Wire Bus |
| Operating Voltage | 3.0V to 5.5V DC |
| Temperature Range | -55°C to +125°C |
| Measurement Accuracy | ±0.5°C (from -10°C to +85°C) |
| Probe Material | Stainless Steel 304 |
| Cable Length Options | 1 Meter, 2 Meters, or 3 Meters |
| Resolution | 9 to 12 Bit (Configurable) |
| Microcontroller Compatibility | Arduino, Raspberry Pi, ESP8266, ESP32 |
| Probe Diameter | 6mm |
| Waterproof Rating | IP68 (Probe Head Only) |
Anonymous
Apr 05, 2026
Rating: 5/5
Accurate Readings
Compared it to a calibrated laboratory thermometer and the readings were spot on within the specified accuracy.
Anonymous
Mar 31, 2026
Rating: 5/5
Truly Waterproof
Submerged the probe in a water tank for a week to test it. No corrosion or signal loss detected.
Anonymous
Mar 22, 2026
Rating: 4/5
Great Value for Money
Bought the 3-meter cable version. Signal strength remains strong even at full length. Recommended.
Anonymous
Jan 23, 2026
Rating: 5/5
Excellent for Arduino Projects
Works perfectly with my home automation setup. The wiring is straightforward and the readings are stable.
Anonymous
Jan 21, 2026
Rating: 4/5
Good Quality Probe
The stainless steel feels very durable. The cable is a bit stiff but manageable for most installations.
Q: Can I connect multiple sensors to one GPIO pin?
A: Yes, the 1-Wire protocol allows you to connect multiple sensors on the same data bus using unique addresses.
Q: Does this sensor require a pull-up resistor?
A: Yes, we recommend using a 4.7k ohm resistor between the data line and VCC for stable communication.
Q: Which library do you recommend for Arduino?
A: The OneWire library combined with the DallasTemperature library by Miles Burton is the standard choice.
Q: Is it compatible with 3.3V logic levels?
A: Yes, the DS18B20 operates between 3.0V and 5.5V, so it works safely with 3.3V microcontrollers.
Q: Is the entire cable waterproof or just the probe?
A: Only the stainless steel probe head is waterproof (IP68). The cable junction and wires should not be submerged.
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