The Spark Electron was released a few days ago, giving anyone with the Arduino IDE the ability to send data out over a GSM network. Of course, the Electron is just a GSM module tied to a ...

Whether you like Arduino or not ... 450W power The GSM Shield also includes a Telefonica SIM card that includes a worldwide data tariff which can be used anywhere there is a cellular signal.

The Arduino FONA 800 is equipped with quad-band 850/900/1800/1900MHz support and can connect to any global GSM network using any 2G SIM, enabling the ability to send and receive SMS messages and ...

If you are looking for a compact GSM/GPRS module ... on the SIM800L module and, surprisingly, one row contains all of the connections required to interface with a microcontroller like the venerable ...

It is very easy to build an “SMS-controlled relay” with the help of a cheap GSM modem module and a small microcontroller board. Here, I’m using the SIM800L and Arduino Nano V3 to ... forget to insert ...

“Arduino SIM will initially be compatible with the MKR GSM 1400 (3G with 2G fallback) — an Arm Cortex-M0+ board supporting TLS and X.509 certificate-based authentication through an on-board ...

He decided to go with the low-cost SIM800L GSM modem, but as it only works on 2G networks, provisions have been made in the board design to swap it out for a more modern module should you desire.

Arduino also announced a new Arduino SIM for adding cellular connectivity to the $69.90 MKR GSM 1400 board and connecting them to the Arduino Cloud. A single Arduino SIM can be used in over 100 ...