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At one point I had something like this but sold very few so stopped getting them. If I was to get more it could be 1-2 months till I have them.
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The one linked above seems to work even at 220v, 5v is the power needed by the board itself.
Do you think would be usable with robo-tank ?
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Yeah you can use that type of relay board, it connects directly to the DB9 on controller, 8 signals and then +5v and Ground. If you look on the controller board near the DB9 you'll see a set of solder pads marked +5v and +12v. If you solder one side of the jumper it'll send the select voltage down the shielding of the DB9. You can use a 5v or 12v relay board.
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02-04-2022, 03:32 AM
(This post was last modified: 02-04-2022, 03:41 AM by gandalf.)
Thank you
How many board like that can I add to robo-tank ? Because wiring 12 outlet plus the board in a single box is "hard", lack of space.
Better to use multiple boxes, in example with 6 plug each (leaving some free space in the box for the board) but to do that, i need to wire multiple boards to robo-tank. can I stack them ?
