{"product_id":"hs-s71-l-resistive-film-pressure-sensor","title":"HS-S71-L Resistive Film Pressure Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eHS-S71-L Resistive Film Pressure Sensor\u003c\/strong\u003e is a pressure-sensing device based on the principle of resistance variation. It works using the \u003cstrong\u003epiezoresistive effect\u003c\/strong\u003e: when pressure is applied to the sensor surface, the sensitive film layer undergoes mechanical deformation (compression or stretching), causing changes in the internal conductive pathways of the material. This results in a corresponding change in resistance. By measuring the resistance variation, the applied pressure can be detected and evaluated.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eResistive thin-film pressure sensing technology\u003c\/li\u003e\n\u003cli\u003eDigital signal output\u003c\/li\u003e\n\u003cli\u003eCompatible with Arduino and ESP32\u003c\/li\u003e\n\u003cli\u003eSupports 3.3V and 5V operating voltage\u003c\/li\u003e\n\u003cli\u003ePH2.0 3P connector interface\u003c\/li\u003e\n\u003cli\u003eLEGO-compatible mounting structure\u003c\/li\u003e\n\u003cli\u003eSimple wiring and easy integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePin Description\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003eGND (Power Ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003ctd\u003eVCC (Power Positive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003eDigital Signal Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V \/ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eDigital Signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003ePH2.0 3P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Method\u003c\/td\u003e\n\u003ctd\u003eLEGO-Compatible Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eArduino UNO Example Code\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003evoid setup() {\n  pinMode(2, INPUT);\n  pinMode(3, OUTPUT);\n}\n\nvoid loop() {\n  if (digitalRead(2) == LOW) {\n    digitalWrite(3, HIGH);\n  } else {\n    digitalWrite(3, LOW);\n  }\n}\u003c\/code\u003e\u003c\/pre\u003e\n\u003ch3\u003eWorking Principle\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhen pressure is detected by the sensor, the LED connected to pin 3 turns ON.\u003c\/li\u003e\n\u003cli\u003eWhen no pressure is detected, the LED turns OFF.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eESP32 MicroPython Example Code\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003eimport machine\n\npin4 = machine.Pin(4, machine.Pin.IN)\npin12 = machine.Pin(12, machine.Pin.OUT)\n\nwhile True:\n    if pin4.value() == 0:\n        pin12.value(1)\n    else:\n        pin12.value(0)\u003c\/code\u003e\u003c\/pre\u003e\n\u003ch2\u003eRequired Components for Arduino UNO Testing\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUNO R3 PRO Development Board ×1\u003c\/li\u003e\n\u003cli\u003eR3P Expansion Board ×1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C Cable ×1\u003c\/li\u003e\n\u003cli\u003eHS-S71-L Pressure Sensor ×1\u003c\/li\u003e\n\u003cli\u003eHS-F08L LED Module ×1\u003c\/li\u003e\n\u003cli\u003ePH2.0 3P Cable ×2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTest Result\u003c\/h2\u003e\n\u003cp\u003eAfter uploading the sample program to the UNO R3 PRO development board and powering the circuit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe LED lights up when pressure is applied to the sensor.\u003c\/li\u003e\n\u003cli\u003eThe LED turns off when no pressure is detected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTouch detection systems\u003c\/li\u003e\n\u003cli\u003ePressure-triggered projects\u003c\/li\u003e\n\u003cli\u003eSmart interactive devices\u003c\/li\u003e\n\u003cli\u003eEducational STEM projects\u003c\/li\u003e\n\u003cli\u003eRobotics and automation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Voltros","offers":[{"title":"Default Title","offer_id":51805968269608,"sku":"VT00792","price":430.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/7908\/1000\/files\/VT001224_cd365ad7-f2c5-402a-b04a-8b226189ffbe.png?v=1778227374","url":"https:\/\/voltros.in\/products\/hs-s71-l-resistive-film-pressure-sensor","provider":"WHITEVALLEY TECHNOLOGIES PRIVATE LIMITED","version":"1.0","type":"link"}