Which one is BEST" ir sensor Vs ultrasonic sensor"  ||  "खरीदने se phele जरूर देखे || FULL detail...
Channel: massive inventions
Date: 2020-11-16

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PURCHASING LINK...
ultrasonic sensor
https://www.amazon.in/Ultrasonic-Sensor-Module-HC-SR-04-Robokart/dp/B00ZNB01HI

ir sensor
https://www.amazon.in/Electronics-Proximity-follower-Obstacle-sensing/dp/B074DVNJDF/ref=sr_1_1?dchild=1&keywords=ir+sensor&qid=1605528963&sr=8-1

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