I'd recommend starting from something that works. Try this tutorial modified with your channel info:
http://nothans.com/measure-wi-fi-signal-levels-with-the-esp8266-and-thingspeak
Does this work?
I'd recommend starting from something that works. Try this tutorial modified with your channel info:
http://nothans.com/measure-wi-fi-signal-levels-with-the-esp8266-and-thingspeak
Does this work?