I'm in the process of slowly sorting out the electrical system of our Carpenter 29. We had a couple of cheap AliExpress shunts with LCD displays for battery monitoring but their accuracy was questionable at best, esp for amp draw. We already had a victron mppt solar controller and a small Phoenix inverter so decided to stay with the victron ecosystem and fit a smart shunt to monitor starter and aux batteries. After doing some research I found you can run Victron's Venus OS (what their Cerbo system monitoring unit runs) on a raspberry pi. So loaded that onto a spare board I had, added a 7 inch