Matrix user forums

I have a bad news : the board died. We don't know why the board doesn't work any more but it was under garantee...

Hello Benj
the voltage is 12 Volts. In fact I have already use the board at school with a computer (windows 2000) and at my house (with windows xp sp2), I don't arrive to program the 18f4550. I will can know if it still work at the school Thursday.

Thanks Benj for the answer
I use a Power supply with jumper J29 in position "PSU", J20 in position USB and a jumper in position I/O.
When I want to use the LVP mode windows says an error.

sorry but my board is : HP-488-00-3

Hello
Sorry but I don't speak english very good...
I have already program the 18f4550 with the board but I want to re-program the pis and I have the message "the voltage is too low". I ignore this warning and the board don't recognise the pic and I have the message "Could not ID the onboard chip ...