Lesson 10 Ultrasonic Sensor Module
https://www.elegoo.com/pages/arduino-kits-support-files
/r16code/Lesson 10 Ultrasonic Sensor Module
https://gyazo.com/7352de7b8509750435d2e5a7bc836fc2
https://gyazo.com/4485f09a4b290ac085932a69c2811377
SR04.h
https://gyazo.com/78b7779a239f593df7d258784f9ef059
hr.icon
ELEGOO Arduino用UNO R3スターターキット