{"product_id":"analog-tds-water-quality-meter-v10-sensor-for-arduino","title":"Analog TDS Water Quality Meter V1.0 Sensor for Arduino","description":"\u003ch1\u003eAnalog TDS Water Quality Meter V1.0 Sensor for Arduino\u003c\/h1\u003e\u003cp\u003eThe Analog TDS Water Quality Meter V1.0 is a sensor module designed to measure the total dissolved solids (TDS) in water. It outputs an analog voltage proportional to the TDS value, making it easy to interface with Arduino and other microcontrollers. Commonly used in hydroponics, aquariums, and water purification systems.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e0 - 2.3V analog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e0 - 1000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±10% F.S. at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Connector\u003c\/td\u003e\n\u003ctd\u003e2-pin JST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003e42 x 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHydroponic nutrient solution monitor\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aquarium-water-quality-monitor-kit-with-arduino-tds-and-temp\"\u003eAquarium water quality checker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eHome water purifier output verification\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/esp32-pool-water-quality-kit\"\u003ePool or spa water quality indicator\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThis sensor works with any board that has an analog input, including Arduino Uno, Mega, Nano, and ESP32. It outputs 0–2.3V, compatible with 3.3V and 5V logic. For Raspberry Pi, an ADC is required.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003eConnect VCC to 5V, GND to GND, and the signal wire to an analog pin (e.g., A0). No pull-up resistor is needed. Keep the probe dry between uses for accuracy.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes, simply connect the sensor output to any analog pin on the Uno and read the voltage to calculate TDS.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it require calibration?\u003c\/summary\u003e\u003cp\u003eOut of the box, it provides a linear output, but calibration with a known TDS solution is recommended for precise readings.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow long does the probe last?\u003c\/summary\u003e\u003cp\u003eThe graphite probe heads have a typical lifespan of 1-2 years under normal use, depending on water hardness.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945772909,"sku":"CDN-0032","price":390.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/download_4e9960b9-49ed-4502-8740-8ec78d8e365c.jpg?v=1781523639","url":"https:\/\/compoden.com\/products\/analog-tds-water-quality-meter-v10-sensor-for-arduino","provider":"Compoden","version":"1.0","type":"link"}