Hi, I'm working with an Arduino GSM Shield, an Arduino Uno R3 and a PIR sensor. What I want is that Arduino calls me every time the PIR sensor fire a motion event. I leave the GSM Modem always turned on, and what's going on is that the GSM Shield automatically calls me every hour (minute more or …

GSM shield calls every hour

abstract February 8, 2014, 10:07am 2

The problem seem to be the PIR sensor, so I'm gonna change it and try again.

Topic		Replies	Views
PIR-GSM Code problem Programming	7	2194	May 5, 2021
GSM Alarm (PIR + GPRS Shield V1.0) - sms in loop issue Networking, Protocols, and Devices	2	691	May 6, 2021
GSM/GPRS turned off Programming	2	642	May 5, 2021
PIR sensor automatically trigger in every 55 minutes Sensors	6	924	September 19, 2022
Sensor PIR + Arduino + SIM800 GSM Shield	1	4149	May 6, 2021