HC-04 interface with nRF51422

[Murugan]

Dear Nordic Team,

Thanks for supporting.

Anybody work with ultrasonic sensor (HC-04). Please guide me. I am just interface with arduino example its working good. It have built in function for "pulseIn". I dont know how to make this function in nRF51422 keil version. Please support.

[Jørgen Holmefjord]

Hi,

You need to configure the GPIO for HIGH/LOW sensing and use the generated interrupts to start and stop a timer.

Check out this answer.

Best regards,

Jørgen

[Murugan]

@Jørgen , Thanks for reply. Already i got that link but show me a error "Object is unavailable".