I recently bought a SIM900A gsm module for my home automation project when i plugged it in for the first i saw all three lights were working but now only POWER led is working no network light or status.
How much power you gave to it?
I recently bought a SIM900A gsm module for my home automation project when i plugged it in for the first i saw all three lights were working but now only POWER led is working no network light or status.
How much power you gave to it?