Connecting the Breakout Board to the Sun Harvester Shield V1.0


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The Sun Harvester Shield Breakout Board adds ethernet connections and power supply outputs to your circuit. This allows you to easily add multiple machines without having to do a lot of extra wiring.

If you want to control up to 4 machines, you will need 1 breakout board.
If you want to control up to 8 machines, you will need 2 breakout boards.
If you want to control up to 12 machines, you will need 3 breakout boards.
If you want to control up to 16 machines, you will need 4 breakout boards.

This section explains how to wire the first breakout board to the Sun Harvester Shield V1.0 and then how to wire additional breakout boards in addition to the first.

To wire the first breakout board to the Sun Harvester Shield V1.0, plug the included cable into the input on the right side and cut off the opposite end of the cable. Warning!: Make sure the red wire on the cable is on the side marked VCC on the breakout board.

You can use a pair of scissors to cut and separate the wires at the end of the cable so that it can reach the multiple connections on the shield. Once separated, strip the insulation off the ends of these wires so that you can solder them to the shield.

DSCN1547 (Small)

Picture 1

The figures below show you how to make the connections from the cable to the shield, and also between the screw terminals on both the shield and the breakout board. You will notice that some of the wires from the cable don’t connect to anything. These are the wires labeled N.C. (not connected) in Figure 2 below. Cut the ends of these wires off so they don’t accidently cause a short circuit.

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Wiring Breakout Board to Shield2

Figure 1

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Wiring Breakout Board to Shield Connections

Figure 2

 

Wiring Multiple Breakout Boards

The Sun Harvester Shield Supports up to 16 machines, and each breakout board supports up to 4 machines. Thus you would need 4 breakout boards to use up all 16 of the machine outputs on the shield.

The image below shows all 4 breakout boards wired to the shield. You can of course use less if you don’t need to control as many machines.

To add another breakout board to the circuit, use the included cable to connect the second board to the first making sure that the side of the cable with the red wire goes to VCC on both of the boards. Also, make sure to wire the screw terminals on the left side of the shield to the screw terminals at the top middle of the breakout board.

Fill the screw terminals on the shield from top to bottom. So for the first breakout board fill up the top four of the shield’s screw terminals. For the second breakout board, fill the next four empty terminals closest to the top. You can continue in this manner until the shield’s terminals are completely filled.

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Wiring Multiple Breakout Boards2

Figure 3

 

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