Re: Hardware prerequisites for driver development

[Rohit Sarkar <rohitsarkar5398@gmail.com>]

On Wed, Sep 25, 2019 at 10:32:02AM +0200, Crt Mori wrote:
> Hi Rohit,
> There are many companies for hobbyists which sell sensors included in
> IIO subsystem and for sure some electronic component store in your
> local area. Price of sensor can be from 0.10 USD to 10 USD. Then you
> plug this sensor to your Linux board (Beaglebone Black is Linux
> Foundation preferred, although there are others including Raspberry PI
> - can even be RPI Zero if you are on a budget, Odroid, Linaro, ...)
> and you will need to provide correct voltage/current for the sensor.
> Easiests is that you pick sensors which are 3.3V or 5V domains,
> because you have pins on most Linux boards with this voltages and
> these pins supply enough current for most iio sensors. Then you just
> connect (wire) power pin on sensor to power pin on your board, and
> then communication pins from sensor to board and ground from sensor to
> board. Some addition into dts will be needed for the Linux to know
> where your sensor is connected at, but then it should work as
> plug-and-play.
> 
> I hope I did not miss too many steps in between :)
> 
> Crt

Hi Crt,
Thanks for replying, your answer was super detailed and helpful.

Thanks,
Rohit