I’m thinking about writing down a bunch of guide/recipe articles and showing UART (aka serial) communication should be one of them. However, while planning the article structure I can’t come up with a “right” example for UART. The right example should use some ubiquitous hardware, serve a clear and useful purpose, do not involve other complex topics other than UART communication.
I remember such tutorial was requested several times on the forum. So I’m asking for an advice: what should I choose for the underlying example?
Few ideas that came into my mind which have some flaws:
- (a) Send text from PC and it is shown on LCD (b) Press one of the keys on a device, see the input coming on COM-port (It’s very basic and maybe even usable, but what should we use for the serial monitor PuTTY/picocom)?
- Show how to interact with ESP8266 in AT-modem modem (too complex and who cares?)
- Show how to connect two Arduinos so that they can talk to each other (quite basic, maybe usable, but who cares?)