maya 
Hi there, I want to connect a 'SIM800L GPRS GSM Module' to Nano Pi Fire. I would be so glad if guide me to how I would do that.
sim 800
fulljob
for communication you nedd 3 wire sim 800 nanopi RX ----------> tx TX ----------> rx GND----------> GNd use 4 volt power for sim 800 other thing is software that you must use serial port command