{"product_id":"05-inch-circular-force-sensor-fsr-compoden","title":"0.5 Inch Circular Force Sensor (FSR) - Compoden","description":"\u003ch1\u003e0.5 Inch Circular Force Sensor (FSR)\u003c\/h1\u003e\n\n\u003cp\u003eThe 0.5 inch (14.7mm) circular force sensor is a robust, thin force-sensitive resistor (FSR) that changes its resistance when pressure is applied. Use it to detect physical force, squeeze, or weight in interactive electronics, robotics, or medical applications. Its compact size makes it easy to embed in prototypes and finished products.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\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\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e0.5 inch (14.7 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e0.46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eForce Range\u003c\/td\u003e\n\u003ctd\u003e0.1 N to 100 N (0.01 kg to 10 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;1MΩ (no load) to ~1kΩ (full load)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGrip strength trainer with real-time feedback.\u003c\/li\u003e\n  \u003cli\u003ePresence detection mat for seating or occupancy.\u003c\/li\u003e\n  \u003cli\u003eRobot fingertip sensor for gentle grasping.\u003c\/li\u003e\n  \u003cli\u003eSimple weight measurement scale with calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis force sensor works with any microcontroller that has an analog input, such as Arduino, ESP32, and Raspberry Pi (via ADC). Operate it with a 3.3V or 5V supply. Common pairings include the Arduino Uno for prototyping or the ESP32 for IoT force-monitoring projects.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect one pin to VCC through a 10kΩ pull-up resistor, the other to GND, and read the voltage at the junction with an analog input. Keep current below 1mA to prevent damage. For stable readings, place a 0.1µF capacitor across the sensor to reduce noise.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\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\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, simply create a voltage divider with a fixed resistor and connect the output to an analog pin. Example code is widely available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it measure exact weight?\u003c\/summary\u003e\u003cp\u003eIt provides relative force readings. For absolute weight, calibrate with known masses in a stable mechanical setup, but accuracy may vary.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it come with a connector?\u003c\/summary\u003e\u003cp\u003eThe force sensor has two bare pins; you need to solder leads or use a connector. A 2.54mm pitch header works well.\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":53444958290285,"sku":"CDN-0316","price":220.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_b3132706-ab4c-402b-aca0-2e9a4a25cea9.jpg?v=1781512444","url":"https:\/\/compoden.com\/products\/05-inch-circular-force-sensor-fsr-compoden","provider":"Compoden","version":"1.0","type":"link"}