He switched over to relays, and that worked perfectly. We’re guessing that changing the wire length causes enough of a capacitance change to cause the screen to detect a touch.

Its designer and creator explains more : It uses an Arduino Mega board and a 3.2” TFT touch screen with a suitable shield for connecting the screen with the Arduino Board.

Not a lot to say about this little hack but it's basically a Game Boy Advance attached to an Arduino device running a touchscreen. The stylus sends data back to the Arduino which connects to the ...

It doesn’t take much to pull off this trick, [RopB] just taped a piece of tin foil to the screen and connected it to the Arduino with a jumper wire.

Using Arduino’s recently introduced Giga R1 WiFi CPU board and need a human interface? The Giga Display Shield (plug-in board) might fit the bill. It adds a 3.97inch 480 x 800 RGB touchscreen, digital ...

Sunflower Shield adds a touch-enabled 3.5in QVGA TFT LCD to Arduino projects, and demonstrates Bridgetek’s FT813 video controller – which uses the firm’s innovative ‘EVE’ video controller which does ...