On Wed, Jun 1, 2016 at 12:05 AM,  [off-list ref] wrote:

From: Johannes Thoma <redacted>

The HC-SR04 is an ultrasonic distance sensor attached to two GPIO
pins. The driver based on Industrial I/O (iio) subsystem and is
controlled via configfs and sysfs. It supports an (in theory) unlimited
number of HC-SR04 devices.

Datasheet to the device can be found at:

http://www.micropik.com/PDF/HCSR04.pdf
Signed-off-by: Johannes Thoma <redacted>

Please send this to the linux-iio mailing list (linux-iio at vger.kernel.org )

thanks,
Daniel.