Estou contente de saber que o problema esta resolvido. :) O dissipador no LM7805 e uma boa idea, se tems bastante espaco.
Good to know that you could resolve the problem. :) The heat sink is a good idea, provided that you have enough space to put it.
Good to know that you could resolve the problem. :) The heat sink is a good idea, provided that you have enough space to put it.