Category Archives: Displays

Tutorial: Open-Source Embedded GUI Library LittlevGL with i.MX RT1050-EVK

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Most embedded projects need an user input device. For the NXP i.MX RT1050-EVK board I have recently added a 480×272 full color touch LCD (see “Adding a Rocktech Capacitive Touch LCD to the NXP i.MX RT1052 EVK“). I have looked at different commercially available GUI libraries, but none of them really were matching my expectations: either very expensive or closed source, or an overkill for small LCDs and projects. But then I have found LittlevGL: free-of-charge, open source, easy to use, well documented and has everything I need. And it really looks gorgeous 🙂

Hello from LittlevGL

Hello from LittlevGL

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Adding a Rocktech Capacitive Touch LCD to the NXP i.MX RT1052 EVK

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It is never too early to start thinking about Halloween projects :-).

rended Eyes with i.MX RT

rendered Eyes with i.MX RT

When I ordered originally the MIMXRT1050-EVK from Mouser, it was without the LCD display (see “MCUXpresso IDE V10.1.0 with i.MX RT1052 Crossover Processor“. I ordered the LCD for the board soon after writing that article, but I was too busy with the university lectures and exams to get a hand on it. Finally I have spent a few hours at night and I proudly can say: the display is working 🙂

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Upgrading a Laser Cutter with Cohesion3D Mini and LCD

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I’m very happy with my 50W Laser Cutter (see “Getting Control over a 50 Watt CO2 Laser Cutter from China“). My main decision factors were (and still are): Software, software, tools and again software, and down in the list finally the hardware. Same thing for that laser cutter. After several upgrades (see “50W Laser Cutter Upgrades“), it was time replace the stock controller hardware with a new one including LCD display:

New Laser Cutter LCD Panel

New Laser Cutter LCD Panel

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Using a Custom Debug Perspective in Eclipse

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The MCUXpresso IDE comes with a ‘Develop’ perspective which combines the usual C/C++ and the Debug perspective in one:

MCUXpresso Develop Perspective

MCUXpresso Develop Perspective

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Fascinating Details of Waveshare E-Paper Displays

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I have used E-Ink displays in projects three years ago, but from that time the technology has greatly evolved. That time displays were hard to get, expensive and difficult to use. Now things seem to change with e-ink displays available to the maker market :-). I’m able to get a 128×296 pixel e-paper display for $10! And for little more money I can have displays with black/white/red colors!

Waveshare 2.9" Displays

Waveshare 2.9″ Displays

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