+5V U5 1 8 GND NC 2 SO T+ CS/ 4 VCC U8 1 T3 10UF U4 U7 +5V 2 1 100NF U6 2 U1 MAX6675 SCK 7 1 2 3 4 SO 6 CS/ SO SCK 5 SCK CS/ U3 J1 1 PIN_1