HackSpace Magazine Issue 29 – adding a character display to your project @HackSpaceMag

In the new HackSpace Magazine Issue 29, Ben Everard writes about adding a character display to your project. The character displays can be programmed with Arduino or CircuitPython.

Displays come in all shapes and sizes, and it’s not about there being an overall ‘best’ display so much as it is picking the right one for your project. This month we’re going to look at character LCDs, which are cheap, widely available, and easy to program with most development environments.

Almost all of these are controlled by Hitachi HD44780 chips, and can take input in a couple of forms. In their bare incarnation, they have a parallel data bus which has 16 pins (though not all are needed), but there are also versions with I2C or SPI input.

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