1 |
Power supply (12V DC)

|
| 2 |
Power socket input

|
| 3 |
Connecting with power supply

|
4 |
Connecting to computer (serial port)

|
| 5 |
Serial cable (female - male)

|
| 6 |
DB9 male plug

|
| 7 |
Connecting with the serial cable

|
| 8 |
Board interface layout

|
9 |
Digital input (on-off switch)
Connect from +12V to any one of the digital input ports.

|
| 10 |
Digital input (light sensor)
Provide 12V power to the sensor from the board (+ to Brown, - to Blue). Connect common to +12V and normal open (NO) to any one of the digital input ports.

|
| 11 |
Analog input - variable resistor (POT)

|
| 12 |
Analog input - touch sensor

|
| 13 |
Digital output - Solid state relay circuit
|
| 14 |
Analog output (PWM control)
|