Capacitive touch sensor for Arduino

[kowshik1729]

Hey guys,

I am in a search of capacitive touch sensors. The functionalities I'm aiming at are

The capacitive touch should be able to recognize up, down and sideways slides on the Grid. Has anyone used the this type of module? If yes please do suggest me. Thanks in advance...!!

[Akhil]

This can be done using captive grid. You can buy a touch pad
https://www.arrow.com/en/products/dm160219/microchip-technology?gclid=Cj0KCQjwmdzzBRC7ARIsANdqRRnOu-n2vJtXa6VRqepktBLdxhyTriIVXNe2ZSHokhzs4U3je6cburkaAqk9EALw_wcB
or you can make your own PAD
http://ww1.microchip.com/downloads/en/DeviceDoc/AN2934-Capacitive-Touch-Sensor-Design-Guide-00002934A.pdf
please refer 13th page of this documentation.
if you like to make one MPR121 is a nice choice
https://www.sparkfun.com/datasheets/Components/MPR121.pdf

[Akhil]

@kowshik1729
Design C is also good,

[kowshik1729]

@Akhil Thanks. I am not in a state to design my own capacitive touch so I am going with already made modules. But the one which you have posted is too very expensive for my application. Are there any other modules that are a bit more cheaper.

[SuperGops]

Hey @kowshik1729, why don't you use a five of the touch keys(shown below), form them up in the shape of a cross and get the sequential data across two of those sensors to detect a left/right or up/down swipe?

https://robokits.co.in/sensors/touch-sensor/capacitive-touch-module-based-on-ttp223

[kowshik1729]

@SuperGops Woow that's a great idea...I shall try this out..!!

[Akhil]

@kowshik1729 That is also Nice idea, If you want only Up,Down, Left, Right movements then try this method suggested by @SuperGops