{"product_id":"ds18b20-waterproof-temperature-sensor-probe-stainless-1wire-arduino-aquarium","title":"DS18B20 Waterproof Temperature Sensor Probe Stainless Steel 1-Wire for Arduino Aquarium Soil","description":"\u003ch2\u003eDS18B20 Waterproof Temperature Sensor Probe — Stainless Steel, 1-Wire\u003c\/h2\u003e\n\n\u003cp\u003eA reliable, waterproof temperature sensing solution for liquid, soil, and remote measurement applications. This \u003cstrong\u003eDS18B20 stainless steel probe\u003c\/strong\u003e delivers accurate digital temperature readings via the 1-Wire protocol — requiring only a single microcontroller pin. The sealed stainless steel housing protects the sensor from moisture, corrosion, and physical damage, making it suitable for permanent installation in aquariums, pipes, soil, and outdoor environments.\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 \/ DS1820 (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 digital 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\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 +125°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\u003eProbe Housing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless steel (waterproof)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital (1-Wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP8266, ESP32, Raspberry Pi, STM32\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\u003eColor\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\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\u003eDigital pin + 4.7kΩ pull-up to VCC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Choose This Sensor?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWaterproof stainless steel probe\u003c\/strong\u003e — safe for liquid immersion and outdoor use\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide temperature range -55°C to +125°C\u003c\/strong\u003e — covers freezing to boiling point applications\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eDigital 1-Wire output\u003c\/strong\u003e — noise-immune signal, ideal for long cable runs\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSingle-pin interface\u003c\/strong\u003e — saves valuable MCU I\/O pins\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMulti-sensor support\u003c\/strong\u003e — multiple DS18B20 probes on one digital pin via unique 64-bit addressing\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e3.3V and 5V compatible\u003c\/strong\u003e — universal microcontroller compatibility\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eArduino library support\u003c\/strong\u003e — OneWire + DallasTemperature libraries make integration straightforward\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\u003eSoil and hydroponic growing medium temperature sensing\u003c\/li\u003e\n  \u003cli\u003eWater pipe and boiler temperature measurement\u003c\/li\u003e\n  \u003cli\u003eOutdoor weather station temperature probes\u003c\/li\u003e\n  \u003cli\u003eSous vide and food temperature control\u003c\/li\u003e\n  \u003cli\u003eSwimming pool and spa temperature monitoring\u003c\/li\u003e\n  \u003cli\u003eArduino and ESP8266\/ESP32 IoT temperature nodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Quick-Start\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect Red to 5V, Black to GND, Yellow to digital pin 4.\u003c\/li\u003e\n  \u003cli\u003eAdd a 4.7kΩ pull-up resistor between Yellow (data) and Red (VCC).\u003c\/li\u003e\n  \u003cli\u003eInstall OneWire and DallasTemperature libraries via Arduino IDE Library Manager.\u003c\/li\u003e\n  \u003cli\u003eUpload sketch and read temperature via Serial Monitor at 9600 baud.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× DS18B20 Waterproof Stainless Steel Temperature Sensor Probe with Cable\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"1M 2.5mm Connector","offer_id":46991408300267,"sku":"14:496#1M 2.5mm Connector","price":7.96,"currency_code":"USD","in_stock":true},{"title":"DS18B20 TO-92","offer_id":46991408333035,"sku":"14:1254#DS18B20 TO-92","price":4.24,"currency_code":"USD","in_stock":true},{"title":"3M ds18b20 cable","offer_id":46991408365803,"sku":"14:193#3M ds18b20 cable","price":11.6,"currency_code":"USD","in_stock":true},{"title":"1M 2.54-3P Cable","offer_id":46991408398571,"sku":"14:366#1M 2.54-3P Cable","price":7.96,"currency_code":"USD","in_stock":true},{"title":"1M ds18b20 cable","offer_id":46991408431339,"sku":"14:29#1M ds18b20 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