3V3 3V3   3V3
				  | /|\  /|\
                   PCA9685        | 10k  10k      MSP432P401R
                    slave         |  |    |         master
              -----------------   |  |    |   -----------------
      GND -->|P1/A0     P28/VDD|<-+  |    |  |                 |
      GND -->|P2/A1     P27/SDA|<----|----+->|P6.4/UCB1SDA     |       
      GND -->|P3/A2            |     |       |                 |
      3v3 -->|P4/A3     P26/SCL|<----+------>|P6.5/UCB1SCL     |
      GND -->|P5/A4  	       |             |                 |
	     |       P25/EXTCLK|<-- GND      |             P2.7|--> Error
     Gate <--|P6/LED0	 P24/A5|<-- GND      |             P2.6|--> Activity
	     | 		P23/OE\|<-- GND      | 		       | 
             |                 |             |  	   P3.5|<--Switch (N/A)
      GND -->|P14/VSS	       |  	     |             P3.6|<--Switch (N/A)
 			                     |             P3.7|<--Switch (N/A)
 					     |                 |
	   				     |        P5.7/C1.6|<--Vcompare (N/A) 		
	   
	  3V3
	   |		     
	  240
           |		             
 	RED LED				     
	  _| D
Gate -->||
	||_
	   | S
          GND