Greetings... My first post and first decent project I plan to work on...I have the Arduino Duemilanove ... I know my arduino has 113 output pins
MrKoviac,Yes, you can use the "Analog Input" pins as digital I/O. So you have 14-2(for USB) = 12 plus 6 = 18 Digital I/Os.Look at the connectors on the board you bought. There are two: One goes to Arduino: 5V and GND, and the 16 relay signals to the I/Os. This drives only the logic part of the board, not the relay coils.Second one needs 12V DC to operate the relays. Other: This board has Optical Isolation (runs through opto-isolator chips). You need to check if the relays operate with a HIGH(1) signal or a LOW(0) signal. Many of this type of relay board operate on a LOW level so that you can guarantee that no relays will activate at power-on time.There is some example code for this here:http://arduino-info.wikispaces.com/ArduinoPower (look for "More Complex Systems)Let us know how this works out for you...
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