ThingSpeak

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I have been working for tens of hours trying to understand the basics of Thingspeak. I am completely flummoxed... I am using a PIC and ESP8266 and trying to write to my Thingspeak Channel using a variety of ways that so far have proved useless... I really have tried to work through this without help. And this Community is only the second time I have been so confused that I am asking for help. I successfully connect to my local wireless network with the appropriate ESP8266 command: AT+CWJAP_CUR="MY_NETWORK_SSID","MY_PASSWORD" I can also get an "OK" response from this (I am leaving out the ESP8266 AT+CIPSEND=##, that just tells the ESP8266 how many bytes to send): AT+CIPSTART="TCP","API.THINGSPEAK.COM",80 (I sometimes used AT+CIPSTART="TCP","API.THINGSPEAK.COM",80, 50 to use keepalive?) From this starting point I have tried: POST /update HTTP/1.1 Host: api.thingspeak.com <- Error +IPD,272:HTTP/1.1 400 Bad Request and: POST https://api.thingspeak.com/update api_key=MY_WRITE_API_KEY<- Error +IPD,272:HTTP/1.1 400 Bad Request and: POST https://api.thingspeak.com/update X-THINGSPEAKAPIKEY=MY_WRITE_API_KEY<- Error +IPD,272:HTTP/1.1 400 Bad Request and literally hundreds of other permutations of things I have found on the web. I have tried to use the Arduino IDE and tried to build many examples of various projects with no success... I am pretty familiar with MPLABX, but the Arduino IDE has so far failed to build ANYTHING... I have looked through the various Arduino headers trying to write the simplest versions I can for the PIC I am using - all with no success.. I am desperate for something, anything to help me get something working. I have manually input commands to the ESP8266 unsing the AT command set, again without success in getting Thingspeak to LET ME IN. I really just need an example of the commands to send... Thanks In Advance For Anyone Willing To Help. I will not be a bother once I get this going a little better as I try to learn the rest on my own... I REALLY tried.