Search for: Log In Register OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Is power supply to the Pi still limited to 5 watts? This topic has 1 reply, 1 voice, and was last updated 1 month, 1 week ago by RottenMutt. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts August 9, 2021 at 12:15 am #70850 RottenMuttParticipant My house was hit by lightning. My OS did not survive so I have to rebuild and want to use the Pi 3B+ that I have, do I still need a external power supply? Transformer is dead, OpenSprinkler board demolished, pi is dead and so is the sd card! August 10, 2021 at 1:28 am #70860 RottenMuttParticipant i think it is limited to 500mA, so 2.5 watts… i got my main board, so let it be known my expansion board is also dead… so anyone with a lightning strike, the whole system needs to be replaced. trash it all… Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Is power supply to the Pi still limited to 5 watts?