Problem & Solution
Measuring temperature in liquids, soil, or damp environments poses a significant challenge for electronic projects. Standard unsealed components suffer from moisture damage or short circuits when exposed to liquids, while bare sensors require custom pull-up resistors and delicate wiring setups to connect reliably to development boards.
This DS18B20 module kit addresses both issues directly. It combines a factory-sealed, waterproof stainless steel probe at the end of a 100cm cable with a dedicated terminal breakout adapter board. This design eliminates the need for breadboard soldering or loose pull-up resistor hacking during project prototyping.
By leveraging the digital 1-Wire interface, the kit allows precise temperature readings over a single digital pin. It provides a plug-and-play connection method for liquid temperature monitoring in aquariums, liquid storage tanks, or weather station setups.
Who Is It For?
This module kit is tailored specifically for electronics hobbyists, IoT developers, robotics enthusiasts, and students working with Arduino, Raspberry Pi, or ESP32 microcontrollers. It is ideal for users who need to take reliable temperature measurements in wet, outdoor, or remote locations without constructing custom sensor enclosures.
Key Features
- 100cm Waterproof Cable ProbeExtended reach allowing liquid or outdoor measurement while keeping microcontrollers safely dry
- Stainless Steel Probe TipCorrosion-resistant housing engineered for direct submersion in non-corrosive liquids
- 1-Wire Digital InterfaceRequires only one digital microcontroller pin for data communication, saving hardware GPIO pins
- Dedicated Terminal Adapter ModulePlug-and-play screw terminals simplify wiring and include required circuit components
- 3.0V to 5.5V Operating RangeDirect compatibility with both 3.3V and 5V microcontroller logic levels
Technical Specifications
| Sensor Core Model | DS18B20 Digital Temperature Sensor |
| Cable Length | 100 cm (1 Meter) |
| Probe Material | Stainless Steel (Waterproof Probe Head) |
| Interface Type | 1-Wire Digital Communication Protocol |
| Adapter Module | Terminal Adapter Breakout Board Included |
| Operating Voltage | 3.0V to 5.5V DC |
| System Compatibility | Arduino, Raspberry Pi, ESP8266, ESP32, STM32 |
Pros & Cons
Pros
- Complete kit includes both the sealed sensor probe and breakout adapter board
- 100cm cable length provides flexibility for remote probe placement
- Digital bus architecture avoids analog voltage drop calibration issues
- Screw terminal connections eliminate the need for manual wire soldering
Cons
- Only the stainless steel probe head is waterproof; the terminal adapter board must remain dry
- Requires specific software libraries (like OneWire and DallasTemperature) for microcontroller setup
FAQ
The stainless steel probe tip and sealed cable junction are waterproof for liquid submersion. However, the terminal adapter PCB board and open wire ends are not waterproof and must be protected from moisture.
The sensor cable wires connect into the terminal adapter board screw terminals. The adapter board then exposes standard headers for VCC, GND, and DATA pins, which connect directly to your microcontroller.
Yes. Because the DS18B20 utilizes a 1-Wire digital protocol, each sensor has a unique 64-bit factory address, allowing multiple sensors to share a single data line.
Final Verdict
An exceptionally practical kit for microcontroller users who need reliable liquid or ambient temperature sensing. Recommended for Arduino and IoT builders needing a hassle-free, submersed digital sensor setup. Skip if you require ultra-high-temperature industrial measurements beyond standard DS18B20 operating limits.