diff --git a/Sonoff-Pow.md b/Sonoff-Pow.md index 98ab53ef..01e36979 100644 --- a/Sonoff-Pow.md +++ b/Sonoff-Pow.md @@ -8,6 +8,9 @@ **Do not connect AC power and the serial connection at the same time** The Gnd connection of the Pow has a 50% chance of being connected to the life AC wire. Connecting serial with your PC will fry your PC. +**Also do not connect any additional sensors to serial pins until you are 100% sure.** +It can at least destroy your Pow! + ## Serial Connection picture of the Sonoff Pow PCB, the needed pin header can be seen on the top end