3 ms·
UART is available on nearly every microcontroller under the sun, and USB<->UART serial chips are super cheap, so it makes complete sense to me that'd become the
by connicpu 3y ago
UART is available on nearly every microcontroller under the sun, and USB<->UART serial chips are super cheap, so it makes complete sense to me that'd become the defacto system for interfacing the automation controller with a computer
- InitialLastName 3y agoEven beyond that, USB is available on many microcontrollers, a USB CDC device is dead simple to implement, the drivers are baked into every modern OS, and all the software developers operating at that layer already know how to interact with text streams. Add in the ease of debugging when you can just manually send/receive ASCII to operate a device, and you've got the makings of a standard practice.