ESP32 WLED board power on hote hi atak jata hai — WiFi dikhta hai, page khulta hai, lekin aage kuch nahi chalta? Humari lab ki real debugging story: module badla, accident se clue mila, aur asli culprit nikla Floating RX Pin. Poora technical explanation + 10K pull-up ka sahi ilaaj — Hindi me.
