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NFC requires a minimum of two devices: one for broadcasting and the second for receiving the signal
TRIG → any digital output pin
The infrared receiver is hardware that sends information from an infrared remote control to another device by receiving and decoding signals
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JSN-SR04T 2.0 Waterproof Ultrasonic Distance Sensor gprs NFC requires a minimum ofWaterproof Ultrasonic Distance Sensor for Outdoor and Liquid Level Projects The JSN SR04T 2. 0 Waterproof Ultrasonic Ranging Module is the upgrade makers and engineers choose when the standard HC SR04 isn't enough. Its sealed, waterproof transducer probe can be mounted outdoors, near water, or even partially submerged making it the right tool for water tank level monitoring, rain detection, outdoor obstacle avoidance, sump pump automation, fish pond
US$ 15.00
US$ 700.00
US$ 11.00
US$ 11.00
US$ 19.95
