Step 5: How to Use It

Pin Assignments

Analog I/O:
Analog 0 – CCD Light Sensor (CDS1)
Analog 1 – Accessory Terminal Block 1 (TA1)
Analog 2 – Accessory Terminal Block 2 (TA2)
Analog 3 – Onboard Accessories Socket 1 (Temperature sensor on external board J9)
Analog 4 – Onboard Accessories Socket 1 (Humidity sensor on external board J9)
Analog 5 – Onboard Accessories Socket 2 (Sound J10)

Digital I/O:
Digital 0 – Not used
Digital 1 – Serial Terminal (TS1)
Digital 2 – Onboard Switch (SW1)
Digital 3 – Onboard Peizo Speaker (SP1)
Digital 4 – LED 1 (LED 1)
Digital 5 – LED 2 (LED 2)
Digital 6 – Accessory Terminal Block 1 (DA1)
Digital 7 – Accessory Terminal Block 2 (DA2)
Digital 8 – Accessory Terminal Block 3 (DA3)
Digital 9 – Accessory Terminal Block 4 (DA4)
Digital 10 – Reserved For Additional Shield (Ethernet shield pins correspond)
Digital 11 – Reserved For Additional Shield (Ethernet shield pins correspond)
Digital 12 – Reserved For Additional Shield (Ethernet shield pins correspond)
Digital 13 – Reserved For Additional Shield (Ethernet shield pins correspond)