I’ve been trying it out with one of the cheap HC-SR04 sensors. When testing it against a wall It only works up to about 1.5m (even though the spec sheet says up to 4.5m). Has anyone got one reliably working up to 2m or so?
I’ve been trying it out with one of the cheap HC-SR04 sensors. When testing it against a wall It only works up to about 1.5m (even though the spec sheet says up to 4.5m). Has anyone got one reliably working up to 2m or so?