Hi this is my first post so if I do anything wrong I'm sorry!
I currently have a Express REST API running on my mac, my mac has a static IP address of 192.168.1.9 on the LAN and the server is running on port 3000
I created a GET route to get data from a database on my machine, if I use postman on it from the server machine or another machine then each machine receives a response hence why I don't think the server is the problem
When I try to do the same GET request on my DFROBOT Fire-beetle ESP8266 board then it comes up with a WiFi 3 status code (connected) but a http response code of -1 (no response from server) which would indicate that the board isn't working, however when I changed the address to "http://numbersapi.com/random/math" then it worked absolutely fine. I have no idea what the problem with the code is and I swear it was working just fine yesterday (although intermittently it would disconnect"
Please help
Heres the Arduino code:
// Dependencies
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <WiFiClient.h>
// Variables
const String ssid = "[INSERT NETWORK SSID]";
const String pass = "[INSERT NETWORK PASSWORD]";
const String serverIP = "192.168.1.9:3000"; //static ip of my mac with api running
unsigned long lastTime = 0;
unsigned long timerDelay = 5000;
void setup() {
Serial.begin(115200);
delay(1000); Serial.print("\n");
WiFi.begin(ssid, pass);
Serial.print("Connecting to " + ssid);
while(WiFi.status() != WL_CONNECTED){
delay(1000);
Serial.print(".");
}
Serial.print("\nConnection Established with IP: "); Serial.println(WiFi.localIP());
}
void loop() {
// Send an HTTP GET request depending on timerDelay
if ((millis() - lastTime) > timerDelay) {
//Check WiFi connection status
if(WiFi.status()== WL_CONNECTED){
WiFiClient client;
HTTPClient http;
String serverPath = serverIP + "/api/machines";
// Your Domain name with URL path or IP address with path
http.begin(client, serverPath.c_str());
// Send HTTP GET request
int httpResponseCode = http.GET();
if (httpResponseCode>0) {
Serial.print("HTTP Response code: ");
Serial.println(httpResponseCode);
String payload = http.getString();
Serial.println(payload);
}
else {
Serial.print("Error code: ");
Serial.println(httpResponseCode);
Serial.println(WiFi.status());
}
// Free resources
http.end();
}
else {
Serial.println("WiFi Disconnected");
}
lastTime = millis();
}
}
OUTPUT:
Connecting to SSID.........
Connection Established with IP: 192.168.1.107
Error code: -1
3
