All by itself, a calculator based on an Arduino isn’t necessarily very novel. However, [Danko Bertović] of Volos Projects has a nice board that, of course, looks like a calculator. There are 16 keys ...
Why buy a keyboard when you can learn so much by making one instead?
BC7595 -- 6 digits 7-segment LED display with 48-key key matrix driver BC7591 -- 32 digits 7-segment LED display with 96-key key matrix driver This library is available for all Arduino devices, and ...
This library allows you to make the ESP32 act as a Bluetooth Keyboard and control what it does. The BleKeyboard interface is almost identical to the Keyboard ...