{"product_id":"ds18b20-waterproof-digital-temperature-sensor-1m-cable-1wire-arduino","title":"DS18B20 Waterproof Digital Temperature Sensor 1m Cable 1-Wire -55°C to +85°C | Arduino Compatible","description":"\u003ch2\u003eDS18B20 Waterproof Digital Temperature Sensor — 1m Cable, Stainless Steel Probe\u003c\/h2\u003e\n\n\u003cp\u003eWhen you need to measure temperature in wet, submerged, or remote environments, the \u003cstrong\u003eDS18B20 waterproof temperature sensor\u003c\/strong\u003e is the definitive solution. The Dallas\/Maxim DS18B20 IC is sealed inside a stainless steel probe and connected via a 1-meter unterminated cable — ready to be immersed in liquids, buried in soil, or mounted on heatsinks far from your microcontroller. A 4.7kΩ pull-up resistor is included for immediate use.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor IC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDS18B20 (Dallas\/Maxim)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-Wire serial interface\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0V – 5.5V (3.3V and 5V compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-55°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C (-10°C to +85°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9–12 bit (programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 meter (approx. 36 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Housing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless steel waterproof can\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Termination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnterminated (bare wire ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDallas \/ Maxim\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWire Color Code\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eWire Color\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eConnect To\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVDD (Power)\u003c\/td\u003e\n\u003ctd\u003e3.3V or 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGND (Ground)\u003c\/td\u003e\n\u003ctd\u003eArduino GND\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYellow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDQ (1-Wire Data)\u003c\/td\u003e\n\u003ctd\u003eAny Arduino digital pin\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eArduino Quick-Start\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect \u003cstrong\u003eRed\u003c\/strong\u003e to 5V, \u003cstrong\u003eBlack\u003c\/strong\u003e to GND, \u003cstrong\u003eYellow\u003c\/strong\u003e to digital pin 4.\u003c\/li\u003e\n  \u003cli\u003eConnect the included \u003cstrong\u003e4.7kΩ pull-up resistor\u003c\/strong\u003e between the Yellow (data) wire and Red (VCC).\u003c\/li\u003e\n  \u003cli\u003eInstall \u003cstrong\u003eOneWire\u003c\/strong\u003e and \u003cstrong\u003eDallasTemperature\u003c\/strong\u003e libraries via Arduino IDE Library Manager.\u003c\/li\u003e\n  \u003cli\u003eUpload the example sketch and open Serial Monitor at 9600 baud to read temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eTip: If the sensor reads -127°C, check that the 4.7kΩ pull-up resistor is correctly installed between data and VCC.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Waterproof Sensor?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWaterproof stainless steel probe\u003c\/strong\u003e — safe for liquid immersion in water, aquariums, pools, and pipes\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e1-meter cable\u003c\/strong\u003e — remote sensing up to 1m from your MCU without signal degradation\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eDigital 1-Wire output\u003c\/strong\u003e — immune to electrical noise, unlike analog sensors on long cable runs\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMultiple sensors on one bus\u003c\/strong\u003e — chain multiple DS18B20 probes on a single digital pin\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e3.3V and 5V compatible\u003c\/strong\u003e — works with Arduino, ESP8266, ESP32, Raspberry Pi, STM32\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePull-up resistor included\u003c\/strong\u003e — everything needed for immediate use\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eParasitic power mode\u003c\/strong\u003e — can operate on just 2 wires (GND + data) for simplified wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAquarium and fish tank water temperature monitoring\u003c\/li\u003e\n  \u003cli\u003eSwimming pool and hot tub temperature sensing\u003c\/li\u003e\n  \u003cli\u003eSoil temperature measurement for agriculture and gardening\u003c\/li\u003e\n  \u003cli\u003eWater heater and boiler temperature control\u003c\/li\u003e\n  \u003cli\u003eHeatsink and PCB thermal monitoring\u003c\/li\u003e\n  \u003cli\u003eOutdoor weather station temperature probes\u003c\/li\u003e\n  \u003cli\u003eSous vide cooking temperature control\u003c\/li\u003e\n  \u003cli\u003ePipe freeze detection systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I extend the cable beyond 1 meter?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 1-Wire bus supports cable runs of several meters. For longer runs (\u0026gt;5m), use a stronger pull-up resistor (2.2kΩ) and ensure good cable shielding to prevent noise pickup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I connect multiple DS18B20 sensors to one Arduino pin?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Each DS18B20 has a unique 64-bit address, allowing multiple sensors on a single 1-Wire bus. Use the DallasTemperature library to address each sensor individually.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this truly waterproof for permanent submersion?\u003c\/strong\u003e\u003cbr\u003eA: The stainless steel probe is water-resistant and suitable for most liquid applications. For long-term submersion in harsh chemicals or high-pressure environments, additional sealing may be required.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× DS18B20 Waterproof Temperature Sensor (1m cable, stainless steel probe)\u003c\/li\u003e\n  \u003cli\u003e1× 4.7kΩ Pull-up Resistor\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45683435831531,"sku":"","price":8.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/DS18B20-Waterproof-Digital-Temp-Sensor-1.jpg?v=1723005262","url":"https:\/\/keszoox.com\/products\/ds18b20-waterproof-digital-temperature-sensor-1m-cable-1wire-arduino","provider":"Keszoox","version":"1.0","type":"link"}