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tommylight wrote:

Out of curiosity, how much is a RPI and a good touchscreen these days?
Wondering as i got a Lenovo X1 Carbon Yoga for 120 and a Lenovo Yoga Y370 for 220, bot work for LinuxCNC with Mesa, both have 120Hz touchscreens, very high quality ones, very good keyboards, and both do over 4-6 hours on batteries.

RaspberryPi was $50 locally, the touchscreens $80-100ish Canadian pesos from Amazon. So a shade > US$100 for both. I can't vouch for the "good" WRT reliability the resolution/sharpness is decent not ipad quality but quite acceptable for a CNC machine.

No idea if there is a driver for I2C in LinuxCNC, maybe searching on github project page would show if there is anything about it there.