So be sure you are connecting trig and echo to 13 and 12. Connecte larger leg of LED to pin 5 and shorter with pin 6 of arduino. Step 2: Parts List 1 Arduino uno R3, or any Arduino for that matter 1 ...

It is pretty simple as we only need to connect three ultrasonic sensors and one JQ6500 voice module. The complete board is powered by a 9V battery. The brain of the circuit is Arduino Nano. Three ...