Description
SIM800L Module not included. Can be purchased here:
SIM800L GSM/GPRS module is a miniature GSM modem, which can be integrated into a great number of IoT projects. You can use this module to accomplish almost anything a normal cell phone can; SMS text messages, Make or receive phone calls, connecting to internet through GPRS, TCP/IP, and more! To top it off, the module supports quad-band GSM/GPRS network, meaning it works pretty much anywhere in the world.
Getting the SIM800L module to work properly is dependent on a proper power supply. This adapter board is the answer to all those countless hours of frustration!
Simply plug in the SIM800L GSM module and either a 12V battery or any other power source not exceeding 18V. You can use either the screw terminals or the barrel jack connector. Input is polarity protected.
Power Requirement
- Min 9V 2A Max 18V
For Software Serial
- Connect RX terminal to Arduino pin D2
- Connect TX terminal to Arduino pin D3
- Connect GND terminal to Arduino GND
- Make sure your SIM card PIN is disabled by first inserting it into your phone and under the SIM settings, disable the PIN.
NOTE: SIM800L MODULE NOT INCLUDED
NB: SIM800L MODULE IS NOT 5V TOLERANT, DOUBLE CHECK RX AND TX CONNECTIONS