5.1 PIC18 Explorer Development Board and RN4678 Module Connections

Connect the RN4678 PICtail/PICtail PLUS board to the J3 connector of the PIC18 Explorer Development board. This connection supplies 3.3V power, two/four wire UART, Reset to the RN4678 module from the microcontroller.

Figure 5-1. Connection Details Between the RN4678 PICtail Board and the PIC18 Explorer Development Board

The following figure illustrates pin to pin connections used in the application demo between the PIC18F87J11 MCU PIM residing on the PIC18 Explorer Development board and the RN4678 Bluetooth module. Figure 5-3 illustrates the connection of the RN4678 board to the PIC18 Explorer Development board.

Figure 5-2. Bluetooth RN4678 Module to MCU – Interface Diagram
Figure 5-3. RN4678 PICtail Board Connected to PIC18 Explorer Development Board