Wireless hub for adding temp sensors
 

Hi all,

On my '79 RX7 I want to add a few wireless temp sensors to my engine bay (water temp, oil temp), these will connect to my Android phone. I'm not going to replace the original sensors with these, I will just add these. Does anyone know of wireless transducer/hub that you can connect 2 sensor probes to and then transmit data to an Android app ? On previous cars I used an OBD dongle and Torque app, which is obviously not possible on my stock Gen 1. Cheers for your thoughts!