CodePudding user response:
What is called a faster?Optical coupling understanding once,
CodePudding user response:
Estimates are you want two circuit boards, put A to A, put A BKnow about the infrared remote control, of visible light leds I'm afraid not, affected by natural light
CodePudding user response:
Thank you for your attention though she didn't do itCodePudding user response:
Plus color sensors