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Forum Index : Microcontroller and PC projects : Has anyone experience of the CYD (cheap yellow display)?
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Mixtel90 Guru  Joined: 05/10/2019 Location: United KingdomPosts: 8317 |
I was considering it as a candidate for running Annex32 RDS. Of course, I'd prefer MMBasic but that's not available for it. :) Aliexpress link Only 3 available GPIO, but that's fine for I2C expansion. It might be expandable via bluetooth or BLE too, and has wi-fi connection. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| dddns Guru Joined: 20/09/2024 Location: GermanyPosts: 703 |
Nice price, having 1 hour of fun and it is payed :)) I doubt that it is suitable. They left out any info about the display. But with VSC and C++ it should be fun. LVGL? edit Edited 2025-11-26 20:49 by dddns |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 8317 |
There seem to be two different displays used (there are variations in boards). Earlier ones used the ILI9341, later ones use the ST7789. Both are on SPI. I think the touch controller is the XPT2046 on both. The display seems to be 8 colours by default (probably to save RAM). Yep, LVGL. :) Linky It seems to be very popular in the "maker" community. There's been a lot of projects done on it - because it's so cheap. My favorite is a bluetooth-connected MIDI controller! I might just grab a couple and have a bit of a play. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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