I need to configure a raspberry pi4 with the following.
4. Serials port connection
The goal is, I have a PHP program and I need it to connect to a POS machine through a USB serial port.
today the library "[login to view URL]" is used to perform this task.
10 freelancers are bidding on average $169 for this job
Hello, i am already working with serial port with USB and also with GPIO pin i can do your project easily as per your requirement come on chat and discuss and also done your work ASAP