Ultrasonic Sensor HC-SR04
$3
DS18B20 Waterproof Digital Temperature Sensor Probe
$4
The DS18B20 is a waterproof digital temperature sensor probe designed for precise temperature measurement in wet or outdoor environments, perfect for Arduino, ESP32, Raspberry Pi, and IoT applications.
The DS18B20 Waterproof Digital Temperature Sensor provides accurate temperature readings in harsh environments. It uses the 1-Wire communication protocol, allowing multiple sensors to be connected to a single data pin—ideal for scalable temperature monitoring systems.
The sensor is encased in a stainless steel tube with epoxy sealing, making it suitable for measuring liquids, soil, or outdoor temperatures. It's widely used in DIY weather stations, aquariums, greenhouses, and industrial applications.
Key Features:
✅ Temperature Range: -55°C to +125°C
✅ Accuracy: ±0.5°C from -10°C to +85°C
✅ Digital Output via 1-Wire interface
✅ Stainless steel waterproof enclosure
✅ Cable Length: ~1 meter (can vary)
✅ Power Supply: 3.0V to 5.5V
✅ Multiple sensors supported on one pin
✅ Long-distance communication possible
Applications:
🔹 Water temperature monitoring
🔹 Outdoor weather stations
🔹 Greenhouse and soil sensing
🔹 Home brewing and aquariums
🔹 Industrial temperature tracking
🔹 Smart farming and IoT solutions
