3.5" LCD touchscreens: Now Available for $10 each.

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Comments

  • RaymanRayman Posts: 9,937
    edited 2011-03-04 - 13:57:48
    Chuck from Mountain King Technologies just sent me a laser cut acrylic enclosure for the PTP.

    I know I made it very difficult for him with the board layout... But, somehow, he pulled it off.
    As a bonus, it's also a 3D puzzle :), but it only took me 15 minutes to solve it...

    Anyway, great job Chuck! And thanks!
    1024 x 568 - 84K
    Prop Info and Apps: http://www.rayslogic.com/
  • David BetzDavid Betz Posts: 13,592
    edited 2011-03-04 - 14:11:44
    That looks pretty cool. Is it for sale? Do you have a URL for Mountain King Technologies?

    Edit:

    I found it myself. I made a typo in my first Google search which is why I didn't find it right off the bat.

    Here's the URL:

    http://www.mountainkingtech.com/
  • RaymanRayman Posts: 9,937
    edited 2011-03-05 - 05:28:43
    BTW: I've started looking into ways to use these screens with less pins...
    One thing I noticed right away is that the VSYNC and HSYNC signals aren't really used in the mode the driver defaults to: "DE" mode.

    Anyway, if you want to recover P16 and P17 for other purposes, use the the driver in the attached example.

    If I ever to a redesign, I think I can recover even more pins. In that case, I'll use P16 and P17 to increase the color depth from 6-bit to 8-bit. That will expand the color range past the TV driver...
    Prop Info and Apps: http://www.rayslogic.com/
  • avsa242avsa242 Posts: 165
    edited 2011-03-05 - 08:58:51
    I just got one of these, too, in the fluorescent blue color. The build instructions seemed a bit tricky to digest at first, but it looks fantastic when it's put together and it's so nice to finally have a home for the PTP! Thanks a lot Rayman for the PTP and thanks Chuck for the enclosure!

    Cheers,
    Jesse
    --
    WIP Spin/PASM drivers: (P1) (P2) P1 & P2: LSM9DS1, US2066, MLX90621, SHT3x, SSD1306, TCS347x, MAX31856, nRF24L01+, MLX90614, DS28CM00, TSL2591, INA219, SX1276/LoRa, VEML6075 | P1 only: TMC2130, MAX9744, CC1101, SX1231, LM75, DS18B20, Si7021, BT81x, MB85RC | P2 only: W25Qxxx, INA260 | WIP: L3G4200D, IL3820, MPU9250, MLX90640 | Stalled: SI446x, BMP280, BME680, BNO055
  • Duane DegnDuane Degn Posts: 10,007
    edited 2011-03-05 - 10:54:23
    Here's a picture of my PTP in its home.

    UniverseRemote.jpg


    There's a second Prop in there to monitor the keypad, encoders, RF link, Wii Nunchuck connector, etc.

    It's main purpose is to control some custom lab equipment but I also use it to control robots and soon TVs and and other IR devices.

    There is room in there for a battery, I just haven't put one in yet. (Probably a two cell LiPo.)

    I know a keypad is redundant on a touchscreen, but hey, I like buttons.

    Sorry about the picture quality. If I used a flash, it washed out the screen.

    Duane
    427 x 516 - 79K
  • RaymanRayman Posts: 9,937
    edited 2011-03-06 - 04:12:44
    Duane, looks neat, thanks for sharing the photo!

    I'd also like to do a touchscreen remote control someday...
    Prop Info and Apps: http://www.rayslogic.com/
  • RS_JimRS_Jim Posts: 1,312
    edited 2011-03-06 - 05:10:37
    Ray,
    are these still available?
    RS_Jim
  • RaymanRayman Posts: 9,937
    edited 2011-03-06 - 07:26:51
    Yes, very. See my website for more info. I've also started shipping the "PTP shield" to GadgetGangster.com to sell...
    Prop Info and Apps: http://www.rayslogic.com/
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