I think your phone would have to be 'advertising' in order to be 'discoverable' for Puck to be able to detect it and evaluate the RSSI. The Tessel 2 has native WiFi. Another option, perhaps, is to give your phone a static IP on your WiFi LAN, and then Tessel can detect your phone's 'arrival' and control the bulbs. Just thinking out loud.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I think your phone would have to be 'advertising' in order to be 'discoverable' for Puck to be able to detect it and evaluate the RSSI. The Tessel 2 has native WiFi. Another option, perhaps, is to give your phone a static IP on your WiFi LAN, and then Tessel can detect your phone's 'arrival' and control the bulbs. Just thinking out loud.