Cart “1 Channel 12V Relay Module with Optocoupler” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal Pulse Sensor - Heart Rate Detector ₹147.00 Pulse Sensor - Heart Rate Detector quantity ₹147.00 Ultrasonic Distance Sensor Module - HC-SR04 ₹64.00 Ultrasonic Distance Sensor Module - HC-SR04 quantity ₹64.00 1 Channel 12V Relay Module with Optocoupler ₹57.00 1 Channel 12V Relay Module with Optocoupler quantity ₹57.00 Coupon: Apply coupon Update cart Cart totals Subtotal ₹268.00 Shipping Standard Shipping: ₹70.00 Shipping to Karnataka. Change address Country / region Select a country / region… India State / County Select an option… Andhra PradeshArunachal PradeshAssamBiharChhattisgarhGoaGujaratHaryanaHimachal PradeshJammu and KashmirJharkhandKarnatakaKeralaLadakhMadhya PradeshMaharashtraManipurMeghalayaMizoramNagalandOdishaPunjabRajasthanSikkimTamil NaduTelanganaTripuraUttarakhandUttar PradeshWest BengalAndaman and Nicobar IslandsChandigarhDadra and Nagar HaveliDaman and DiuDelhiLakshadeepPondicherry (Puducherry) City: Postcode / ZIP: Update Total ₹338.00 Proceed to checkout