Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Chip | DS18B20 |
| Communication Interface | 1-Wire Digital |
| Operating Voltage | 3.3V - 5.0V DC |
| Temperature Range | -55°C to +125°C |
| Measurement Accuracy | ±0.5°C |
| Resolution | 9 to 12 Bit Configurable |
| Microcontroller Compatibility | STM32, Arduino, ESP32, ESP8266 |
| PCB Material | FR-4 Epoxy Resin |
| Pin Configuration | 3-Pin Header (VCC, GND, DATA) |
| Module Weight | 3.5 grams |
Anonymous
Apr 10, 2026
Rating: 4/5
Solid performance
Fast response time when temperature changes. Only wish the PCB was slightly smaller for compact projects.
Anonymous
Apr 07, 2026
Rating: 5/5
Accurate readings for home automation
Compared the output with a standard thermometer and it was within 0.5 degrees. Great value for the price point.
Anonymous
Mar 04, 2026
Rating: 4/5
Good module, headers included
Solid build quality. I appreciate that the header pins were included in the package so I didn't have to solder them immediately.
Anonymous
Feb 25, 2026
Rating: 5/5
Great for learning embedded systems
Using this for my university thesis project. Documentation online is plentiful which helped me get started quickly.
Anonymous
Feb 09, 2026
Rating: 5/5
Works perfectly with STM32F103
Integrated easily with my Blue Pill board. The 1-Wire protocol is straightforward to implement using HAL libraries. Readings are stable and consistent.
Q: Is this sensor waterproof out of the box?
A: No, this is a bare PCB module. For waterproof applications, you would need to house it in a sealed enclosure or use a probe version.
Q: Can I connect multiple sensors to a single GPIO pin?
A: Yes, the 1-Wire protocol supports multiple devices on the same bus using unique serial IDs for each sensor.
Q: Are there any library examples available for STM32CubeIDE?
A: Yes, there are numerous open-source repositories available that provide HAL-based drivers for the DS18B20 sensor.
Q: What is the maximum cable length for the data line?
A: Depending on the environment and pull-up resistor, you can typically achieve reliable communication up to 100 meters.
Q: Is this module safe to use with 3.3V logic levels?
A: Yes, the module operates comfortably within the 3.3V to 5.0V range, making it safe for STM32 and ESP32 logic.
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