DS18B20 Waterproof Digital Temperature Sensor (1-Wire Interface)
The DS18B20 Waterproof Temperature Sensor is a highly accurate and reliable digital sensor designed for Arduino, ESP32, Raspberry Pi, and IoT-based projects. It uses a 1-Wire communication protocol, allowing multiple sensors to be connected using a single data pin—making it perfect for scalable embedded systems.
This waterproof version comes with a sealed stainless steel probe, making it ideal for liquid temperature measurement, outdoor monitoring, and industrial applications in Bangladesh’s humid and variable climate.
Whether you're a student building a project, an engineer designing automation systems, or a developer working on IoT solutions, the DS18B20 offers precision, durability, and ease of integration.
Features:
- 💧 Waterproof stainless steel probe (anti-rust & durable)
- 🎯 High accuracy: ±0.5°C (−10°C to +85°C)
- 🔌 1-Wire interface (only one GPIO required)
- 🔢 Unique 64-bit ID for multiple sensor use
- ⚡ Wide voltage: 3.0V to 5.5V
- 📏 Temperature range: −55°C to +125°C
- 🔄 Digital output (no ADC required)
- 🧠 Ideal for Arduino, ESP8266, ESP32, Raspberry Pi
Specifications:
| Parameter | Value |
|---|---|
| Model | DS18B20 |
| Output Type | Digital (1-Wire) |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C |
| Voltage | 3.0V – 5.5V |
| Probe Material | Stainless Steel |
| Cable Length | ~1 meter |
| Waterproof Rating | Yes |
Use Cases:
- 🌡️ Water temperature monitoring (fish farming, aquaculture)
- 🏠 Smart home automation systems
- 🌾 Agriculture & greenhouse monitoring
- 🔬 Student university & diploma projects
- 🏭 Industrial temperature logging
- 🧊 Refrigerator / freezer monitoring
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