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PSoC™ 4 Forum Discussions

David_Zhang
Level 5
Level 5
100 replies posted First solution authored 50 replies posted

Dear  Cypress:

       if  we  want to design a  touchpad, can you help to provide the relationship between touchpad size and  channel number, for example  in 5*5cm touchpad size, what number of channel  should we need?

and For larger , 10*10cm ,What should we do ?

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1 Solution
LinglingG_46
Moderator
Moderator
Moderator
10 questions asked 5 questions asked 250 sign-ins

Pattern design:

  • 25-mm
    diameter round touch area;
  • 5x5
    sensor scan;
  • Pitch = 5 mm;
  • Gap = 0.15mm~0.22mm;
  • Bridge width = 0.1mm~0.15mm.

pastedImage_1.png

具体的 sensor number需要自己计算。
   

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1 Reply
LinglingG_46
Moderator
Moderator
Moderator
10 questions asked 5 questions asked 250 sign-ins

Pattern design:

  • 25-mm
    diameter round touch area;
  • 5x5
    sensor scan;
  • Pitch = 5 mm;
  • Gap = 0.15mm~0.22mm;
  • Bridge width = 0.1mm~0.15mm.

pastedImage_1.png

具体的 sensor number需要自己计算。
   

0 Likes