From an user request I took a look into the SONOFF RF Bridge , a quite interesting device from SONOFF. It is able to send and receive 433mhz signal with a very competitive price of less than 10€. I already own several SONOFF Smart switches on which I loaded custom firmwares with success. One is working since months perfectly! Here is how the RF bridge looks inside: First thing I used to do when I launch some new development is to check the state of the art, as we often say google is your friend. And by searching the compatibility between the bridge and RCSwitch library (the main RF library of OpenMQTTGateway) I fall into the very good work of Xose Pérez ( Tinkerman ) http://tinkerman.cat/hacking-sonoff-rf-bridge-433/ He ported successfully its ESPURNA code to the Sonoff RF Bridge. After following its instructions and some mistakes from me (be careful about choosing the good line of pins on the bridge for your FTDI connectors :-( and choose the following p...
Sharing my technology related projects and other tips on the following themes: arduino, raspberrypi, robotic, home automation