Imrul Hasan in MATLAB Answers
최근 활동: 2023년 10월 11일

0. at command => AT Fail 0. at command => AT+CWMODE=1 Fail 0. at command => AT+CWJAP="knapsack","namespace" Fail 0. at command => AT+CIPMUX=1 Fail 0. at command => AT+CIPSTART=0,"TCP","api.thingspeak.com",80 #include <SoftwareSerial.h> #define RX 2 #define TX 3 //#define RX 19 //#define TX 18 String AP = "knapsack"; //AP NAME String PASS = "namespace"; //AP PASSWORD String API = "FNFJ7KDHJK4F3IU2"; //Write API KEY String HOST = "api.thingspeak.com"; String PORT = "80"; String field = "Random"; int countTrueCommand; int countTimeCommand; boolean found = false; int valSensor = 1; SoftwareSerial esp8266(RX, TX); void setup() { Serial.begin(9600); esp8266.begin(115200); sendCommand("AT", 5, "OK"); sendCommand("AT+CWMODE=1", 5, "OK"); sendCommand("AT+CWJAP=\"" + AP + "\",\"" + PASS + "\"", 20, "OK"); } void loop() { valSensor = getSensorData(); String getData = "GET /update?api_key=" + API + "&" + field + "=" + String(valSensor); sendCommand("AT+CIPMUX=1", 5, "OK"); sendCommand("AT+CIPSTART=0,\"TCP\",\"" + HOST + "\"," + PORT, 15, "OK"); sendCommand("AT+CIPSEND=0," + String(getData.length() + 4), 4, ">"); esp8266.println(getData); delay(1500); countTrueCommand++; sendCommand("AT+CIPCLOSE=0", 5, "OK"); } int getSensorData() { return random(1000); // Replace with your own sensor code } void sendCommand(String command, int maxTime, char readReplay[]) { Serial.print(countTrueCommand); Serial.print(". at command => "); Serial.print(command); Serial.print(" "); while (countTimeCommand < (maxTime * 1)) { esp8266.println(command);//at+cipsend if (esp8266.find(readReplay)) //ok { found = true; break; } countTimeCommand++; } if (found == true) { Serial.println("OYI"); countTrueCommand++; countTimeCommand = 0; } if (found == false) { Serial.println("Fail"); countTrueCommand = 0; countTimeCommand = 0; } found = false; }
Megha Patil in MATLAB Answers
최근 활동: 2022년 5월 26일

Can i send the three sensor data (functions are connected on each other in project) on same channel as field 1, field 2, field 3 ? how it is possible? Thank you.

ThingSpeak 정보

The community for students, researchers, and engineers looking to use MATLAB, Simulink, and ThingSpeak for Internet of Things applications. You can find the latest ThingSpeak news, tutorials to jump-start your next IoT project, and a forum to engage in a discussion on your latest cloud-based project. You can see answers to problems other users have solved and share how you solved a problem.