Hi, I'm a high school student who's working on a project with Ultrasound, the purpose of the project is to make the buzzer sound when the Ultrasound emitter detects an object, also a green LED will flash when there's no obstruction and a red one when there's an obstacle, I get the problem mentioned …

expected primary-expression before ' ' token arduino

system April 26, 2014, 1:06am 3

what do you suggest?

Topic		Replies	Views
'class Ultrasonic' has no member named 'Ranging' Programming	14	19603	May 5, 2021
Error! class Ultrasonic has no member named 'Ranging' Programming	2	1044	May 6, 2021
Error con libreria ultrasonica en el codigo. Español	4	1006	May 6, 2021
showing error "ultrasonic does not name a type Programming	3	7829	May 5, 2021
Error! class Ultrasonic has no member named 'Ranging' Programming	6	8788	May 5, 2021