Serial interface

Because the MCU has a supply voltage of 5V, a level converter (e.g. MAX232) must be used. These are often offered mounted with a 9-pin connector on a PCB at ebay.

The serial interface of the PIC is on JP5, here the pinout:

JP5 pin	Function
1	VCC (+5V)
2	GND
3	RX
4	TX
5

Mounting example: