In this blog we are going to learn how to configure the TRB140 to change the state of an I/O via SMS. This is very handy for many situations, including remote control of relays for waterpumps, lights, motor controllers, etc.  Initially we need to ensure that the SIM is working - For troubleshooting a 3G/4G connection see this blog here: htt...

In this blog we are going to learn how to configure a TRB14x unit to send you a text message when the status of the Input/Output changes. This is especially handy for situations where remote monitoring is crucial, whether that is monitoring motor control modules, relays or something as simple as monitoring a PIR module, for security reasons.  ...