Exhibitors 2023



GALDEANO, DIY Calculator with simbolic math

GALDEANO, DIY Calculator with simbolic math

The heart of the machine is an esp32 with 4 Mb of SPI RAM. The PCB is a custom one, as it is the keyboard. The display (320x240) is an ili9341 with a touch sensor (resistance). It runs a custom micropython distribution with LVGL graphics with the math engine (Eigenmath) as a module. The program runs in the data partitions and it is easily customizable and extensible.


GALDEANO, DIY Calculator with simbolic math

Angel Cabello

I have been working in IT for 30 years, now I work for the public health services in my region. Electronic has been a hobby for me since I finish my science university studies, but now my children have grown enough to allow me to create things.


  G1 (pav. 3G.01)
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Data updated on 2024-02-21 - 11.32.43 am