bash
_______HHH_____
5V| | CLK
CND| | SD0
SD3| | SD1
SD2| | P15
P13| | P2
GND| | P0
p12| | P4 -> SCK
P14| | P16 -> DOUT
T1 <- P27| | P17 -> Servo 1
T2 <- P26| | P5
T3 <- P25| | P18
E1 <- P33| | P19
E2 <- P32| | GND
E3 <- P35| | P21 -> SDA X [ currently not in use]
LDR <- P34| | RX
SUN| | TX
SUP| | P22 -> SCK X [ currently not in use]
EN| | P23
3V3| | GND
----------------
- T1,T2,T3 -> Trigger pin
- E1, E2, E3 -> Echo pin ultrasound