SIM900a Modem IMEI 0, Help with TX RX Pins - Microcontrollers - Arduino Forum
By A Mystery Man Writer
Description
Hello I have Simcom SIM900a GSM (SIM900 (SIM900A) Mini DEV Board v3.9.2) and I am interfacing it with Arduino UNO. I have no idea how to connect SIM900a to Arduino UNO. What I did now is: I connect the following Pin from above Image to: 5 to: GND (Digital GND near Pin 13) 6 to: 5V of Arduio 2 to: GND of Arduino near 5V 3 to: Digital Pin 0 of Arduino (RX) 4 to: Digital Pin 1 of Arduino (TX) 1 to: (No idea) From Picture option 7, 8, 9 are not connected to anything. Can you please gu
I don't understand why I can't flash devices through the Arduino
ajuda uno modulo sim900 - Português - Arduino Forum
Arduino GPRS Shield - Geeetech Wiki
alselectro All about Microcontrollers,Tips on Pc,Android phone
Buy Sim800C GPRS/GSM Shield with Antenna Online at
Serial Connection of a Sim900 module(not shield) - Networking
GSM Based messaging Using Arduino
I don't understand why I can't flash devices through the Arduino
Support of GOOUUU TECG IOT-GA6 : reflash the firmware ! · Issue
Interfacing arduino uno with gsm moderm - General Electronics
GSM Module SIM300 Interface with AVR Amega32 - eXtreme Electronics
Receive SMS with AT Commands using Sim900 and Arduino - The
from
per adult (price varies by group size)