However, you still need to write your own PC software to read and write data from your USB device. The code generated by these compilers tends to produce a USB Human Interface Device (HID) as these devices do not require custom drivers to be written because Windows has them preinstalled. Luckily, many PIC compilers come with USB libraries that work out of the box and are dead easy to use. However, writing firmware to work with the SIE can still be a difficult task. Some PIC microcontrollers now come with a USB Serial Interface Engine (SIE) that handles the very low level parts of the interface. However, there are many hardware and software solutions that make developing USB device much simpler. Unfortunately, unlike serial and parallel ports, USB is far from simple and so it can be daunting to try to develop hardware and software for it. With the decline of serial and parallel ports from modern computers, electronics hobbyists are turning more to utilizing USB (or stick with old computers for their legacy ports). Helm PCB - USB HID Template for Visual Basic 2.
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