Capacitive Touch

Capacitive Touch

A projective capacitive touch screen is a clear overlay which uses measures nearby conductive disturbances. It consists of a piece of cover glass over a sensor grid layer made of transparent conductive material. The layer configuration used by this technology can accommodate multiple touch events, and reduces the transmittance, or brightness, of the display underneath by only 10% to 20%. Capacitive touch overlays can be heavier than their resistive counterparts, and are often more expensive. However, this technology is much harder than resistive touch, with a scratch hardness value of 6, and suffers limited degradation over its lifespan. Capacitive touch requires a direct finger input, or specialized glove or stylus. Nonetheless, this capacitive touch has become the input standard for advanced consumer applications.


 
  GTT 24bit RGB Parallel TFT SPI EVE 2 TFT HDMI TFT
Cost
Dev Time
Customization
GPOs 6 N/A N/A N/A
Keypad 25> N/A N/A N/A
Graphic Memory 2GB N/A N/A N/A
Piezo Buzzer Yes N/A N/A N/A
Tactile Feedback Yes N/A N/A N/A

 

Capacitive Touch is available on GTT, HTT, and Parallel Displays.

 

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EVE2-35G

EVE2 3.5" TFT 320x240 HMI Oversize Mountable Capacitive Touch Screen SPI

Touch:
TPC    
Back Light:
BLM    

$59.21US

EVE2-38G

EVE2 3.8" TFT 480x116 1U Bar with Oversize Mountable Capacitive Touch Screen SPI

Touch:
TPC    
Back Light:
BLH    

$81.42US

EVE2-43G

SPI TFT EVE2 EVE2 4.3" TFT 480x272 HMI with Oversize Mountable Capacitive Touch Screen SPI

Touch:
TPC    
Back Light:
BLM    

$59.15US

EVE2-50G

EVE2 5.0" TFT 800x480 HMI with Oversize Mountable Capacitive Touch Screen SPI

Touch:
TPC    
Back Light:
BLM    

$69.69US

EVE2-70G

EVE2 7.0" TFT 800x480 HMI with Oversized Capacitive Touch Screen SPI

Touch:
TPC    
Back Light:
BLM    

$99.66US