Newbie looking for some advice. I'm trying to build a system that will send a SMS message when a light turns off. I have access to the light wiring that I could tap into so that arduino would know the light lost 110v power. I'm assuming the code would be pretty easy to write. First I'm trying to f…

Send SMS when 110v power cut

Topic		Replies	Views
Arduino como alarma SMS Proyectos	5	4005	May 7, 2021
Power outage alarm General Guidance	35	255	December 6, 2025
Arduino project gsm General Guidance	7	726	June 27, 2023
Envoi de SMS par GSM 800L EVB avec Arduino UNO Français	11	69	August 28, 2025
GSM module and solar power for Arduino Uno. (Asking for help) General Guidance	25	237	March 12, 2025