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DS18B20 Waterproof Digital Temperature Sensor Probe - Black + White
It can measure the temperature directly in the water. It is widely used in temperature monitoring for fish tanks£¬ equipment£¬ machinery£¬ greenhouses. Features: Single-bus communication£¬ multiple sensors can share a data line Compatible with Arduino UNO R3 / Mega2560 Arduino library: OneWire Working voltage: 3.2 ~ 5.25VDC Working current: 2mA (max) Resolution: 9~12 bit programmable Measuring range: -55 ~ 110 'C Measuring accuracy: +/-0.5'C @ -10~+80'C; +/-2'C @ -55 ~ + 110'C Output connector: XH2.54MM-3P Output leads: yellow (DATA)£¬ red (VCC)£¬ black (GND) Lead length: 1m