For context, I want to connect the boron, alongside the grove particle mesh shield, to this display. I was planning on simply connecting the LCD to the ic2 port on the shield, however I am not sure whether or not the 5v display is safe to use with the 3.3v boron.
Do I need something like a logic level converter to be able to use the two, or should I be fine with my current setup?
Check out this post… I faced this same dilemma a few months back:
I now have it working well on a P2. I assume same libraries and hardware can be used on the Boron as the P2 as both are 3.3V
Thanks for the information! Actually, after checking out the American version of Amazon, I found this which seems to have 3.3v support. I was wondering whether or not you could validate this, as if it doesn't have native support, I will have to follow the steps outlined in your thread.
If you stick with using 3v... the only issue may be the contrast.
If you decide to continue using the 5v on the lcd, you can use the shift register to help prevent the 5v from reaching the boron. 74HC595PW,118 Nexperia USA Inc. | Integrated Circuits (ICs) | DigiKey
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