Battery Vehicle Society

IC, so you would need 70 slaves then in your current configuration. Sounds a potential nightamre with two Masters, I think it would be better to connect in Parallel/Series if cells are same chemistry/voltage, then use 35 Slaves (One per pair) and One Master. That should work IMHO. Peter, that becom...

There are two strings of cells. Each string has 35 cells in series. One string is 90Ah cells. The other string is 200Ah cells. The two strings are in parallel with each other.

Bill.

The cells are two parallel strings, with connections only at pack positive and pack negative, so I'd need one Slave per cell.

Bill

Well, it's my day to post, apparently. Peter, have you considered adding a temperature sensor to the Slave Board? It seems like you could either change J1 to a 4-pin connector, or put another connector in parallel with J1 into the RXD pin. Then you could read the input from a DS18B20, for example, t...

Peter, I really appreciate all you're doing here, and I'm learning a lot. I'm new to circuit-builidng, and I wonder if you could answer two questions for me: 1) I notice you started with a single decoupling capacitor, but you then increased to 2 in parallel, and now 3 in parallel. Why three separate...

Peter, I've got 35 200Ah cells and 35 90Ah cells in my EV, so I'd definitely be interested in 80 or so slave pcbs. Can they be delivered to the USA? I guess it would be prudent for me to pick up 2 masters, too. Do you see any reason, though, why a regular PC wouldn't work as a master instead of sepa...

Peter, the parts list contains 2 LEDs for the Slave board, but I see only 1 in the current .jpg file. I think earlier versions had two LEDs. Are you planning to include the second LED again?

Bill