jujun
Newbie level 2
Hello,
I have seen a lot of docs about making custom firmware for SIM900 module.
But I havent see anything about the RTC clock.
Do you think is it possible to make a custom firmware who simply put a GPIO to HIGH every xx minutes or seconds ?
Of course with the SIM900 module sleeping.
Thank you !
I have seen a lot of docs about making custom firmware for SIM900 module.
But I havent see anything about the RTC clock.
Do you think is it possible to make a custom firmware who simply put a GPIO to HIGH every xx minutes or seconds ?
Of course with the SIM900 module sleeping.
Thank you !
