I have a keg washer that got blown up, and the guy who built it is out of business.
I bought a new Board, pulled the chip off the old board and swapped it into the new one and BAM! Back in business. But I really need to rebuild the control box, it's a mess. Before I get in there I want a backup. I may want to add a step to the program cycle, and maybe change the analog inputs that set how many wash and sani cycles to use on each run.
It's a pretty simple build- the board runs an 8ch Relay module to open 7 different valves, and operate a pump via a SSR.
Hi, It seems that you fried your Uno board but fortunately the Atmega chip was safe and could be installed on a new board.
As proposed, I'd suggest to backup the flash memory in case the chip is damaged. Of course you will not get the source code. Then you'll need to build a new product, similar in terms of circuit to the existing one and start to write the source code based on the existing behavior and adapted according to your expectations. If you pay for this, ask your supplier for the source code and circuit diagrams.
That control box looks rather blackened, with melted terminals, in the area of the solid state relay so replacing the Arduino is only part of the repair.
Have you still got the original specification ? In any case, it may be wise to incorporate some sort of thermal / overload protection in any replacement design.
Any information on the manufacturer or what they called the device if it was sold commercially? With the dupont plug wiring it looks rather amateurish, might even be an instructables page on it.
I'd be curious to know what that brown/black charred object is to the left had side of the solid state relay. It appears to have some melted terminals and soot on some wires, but some of the connectors, which go into the bright white material, appear completely unscathed. I'm guessing that it could be a power output socket with switch assembly.
