Recent content by gfb

  Yeah, unfortunately I made no progress getting the wifi radio to talk to the stock thermostat code. I think the MRF chip is the same but suspect that the firmware only enables the radio if it detects a wifi flag or possibly from the model number.   Anyone have any thoughts on how to change the...

Yes. I opened the the file up with a hex editor and all the wifi bits are in there. I'm skimming through it in hopes that the enable call is obvious but so far no luck.

So i soldered on the missing components and no luck. I suspect there is a flag in the EEPROM that I need to flip for it to see the wifi parts... or maybe it activates based on serial number. Either way, I need to start spending some time investigating the firmware side of this.   Anyone here...

I didn't have a handy ttl converter so i started with the logic analyzer. Unfortunately nothing there, both pads simply went high when I powered up the unit and stayed there. I really had my fingers crossed that I would see a console on those debug pads :(   It's a fairly underpowered SHA2A...

Thanks. Any chance I could see the text on the oscillator?   Looks like the chip is possibly a custom version of an MCW1001A? I ordered a sample of the stock chip, lets see if that helps.   Also put a logic analyzer on the debug_rx/tx pads with no luck. Has anyone been able to get a console or...

Sorry to be a bit off-topic. Could someone post a pic of the back of the circuit board on the evolution connex or infinity touch controller? I am working on adding the wifi module to a non-wifi unit and need to figure out what other components are missing from the board.   Also waiting on my...