I2C TFT displays for fischertechnik
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Cases for 1.77in 160x128 pixel and 1.44in 128x128 pixel TFT displays from aliexpress with fischertechnik compatible…
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Cases for 1.77in 160x128 pixel and 1.44in 128x128 pixel TFT displays from aliexpress with fischertechnik compatible connectors and I2C interface.
There's a multitude of PCB versions for each display, so watch out to get ones with the correct footprint.
The ST7789 driver chip of these TFTs uses the SPI bus. To make them compatible with the quasi-standard fischertechnik 6pin I2C-connectors, an Arduino Pro Mini is used as interface. I used a clone with the LGT8F328P chip. It runs the I2Cwrapper firmware with Ucglib.h module.
Both cases come with print-in-place reset buttons. See images for wiring.
If you need details, feel free to ask by PM or in the comments.
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Find my other fischertechnik designs here.
Category: Electronics