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Forum Index : Microcontroller and PC projects : Touch panel PicoMite, proof of concept
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| Arne Newbie  Joined: 05/01/2025 Location: GermanyPosts: 22 |
Based on TTP223 touch modules (100 pices for less than 8 Euros) I assembled following low cost touch panel for PicoMite:   Due to the fact that the touch sensors can be used behind different materials and located in different positions many use-cases are possible: - Operation panels( e.g. touch pads/gesture controls/parallel button operation) - Touch potentiometers(horizontal/vertical/round…) - Fully covered PicoMite for wet environment - Hidden touch operations - etc. The output of the touch modules are directly connected to the GPs of the Pico. For test purposes a printed piece of paper was covered by a transparent 1 mm plastic-sheet sawed out of an old CD-case:  Everything worked without any problems. Actually the Test-Pico is used as IR-remote control for my PC (control of different shortcuts via the touch pads). As USB-receiver a digispark programmed to understand Sony-protocol (which is integral part of MMbasic) is used. Arne |
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| PhenixRising Guru  Joined: 07/11/2023 Location: United KingdomPosts: 1192 |
Very cool  |
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| Frank N. Furter Guru Joined: 28/05/2012 Location: GermanyPosts: 940 |
Yes, these things are really great! Two years ago, I used them to build a USB keyboard for a special application. The idea was to simply “press” 12 different letter keys...  Frank |
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PeteCotton Guru Joined: 13/08/2020 Location: CanadaPosts: 529 |
Very interesting. I might have a project that is the perfect match for those TTP223 touch modules. I'll need to look into them further. Thank you for sharing. |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 1192 |
I'm grabbing some but darned if I can think of a use for them  |
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| dddns Guru Joined: 20/09/2024 Location: GermanyPosts: 380 |
Hi :) Looks nice! Are you aware of that module? You could combine them as well and could have a better resolution :) Maybe drilling a small hole and gluing some rgbws2812 behind could be cool |
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