Lots of good questions and I actually have some of the answers already. Please excuse my novice approach and language regarding components, I don't know all the lingo .
I will have (4) parts to this setup
1. Power supply
2. Relay board (next board will use the ULN2803 chips)
3. Sound card
4. PCB board where the other components and relays will be soldered in. I have also dabbled in etching a circuit board in the past but did not go that route with this project because I did not think it would grow this large . I may try that next time around.
I will be using THESE for inputs and outputs on the PCB and relay boards to ensure flexibility when it comes to taking things apart. Essentially making my own ribbon cables I suppose. I will be cutting the connectors off of a few ribbon cables to make the jumps between boards and the wires will be connected to those terminal blocks. You can kind of see my idea for the PCB board in the attached drawing.
Obviously I have made some revisions to the design since that drawing but thats basically it.
I will have (4) parts to this setup
1. Power supply
2. Relay board (next board will use the ULN2803 chips)
3. Sound card
4. PCB board where the other components and relays will be soldered in. I have also dabbled in etching a circuit board in the past but did not go that route with this project because I did not think it would grow this large . I may try that next time around.
I will be using THESE for inputs and outputs on the PCB and relay boards to ensure flexibility when it comes to taking things apart. Essentially making my own ribbon cables I suppose. I will be cutting the connectors off of a few ribbon cables to make the jumps between boards and the wires will be connected to those terminal blocks. You can kind of see my idea for the PCB board in the attached drawing.
Obviously I have made some revisions to the design since that drawing but thats basically it.
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