ESP32

#include <ArduinoJson.h> #include <WiFi.h> #include <ArduinoHttpClient.h> #include <Arduino.h> const char* ssid = ""; // Your WiFi ssid const char* password = ""; //Your Wifi password WiFiClient client; int status = WL_IDLE_STATUS; // get this from the wia dashboard. it should start with `d_sk` const char* device_secret_key = ""; // Wia API parameters char server[] = "api.wia.io"; char path[] = "/v1/events"; int port = 80; StaticJsonDocument<200> jsonBuffer; HttpClient httpClient = HttpClient(client, server, port); JsonObject root = jsonBuffer.to<JsonObject>(); void setup() { // initialize serial communications and wait for port to open: Serial.begin(115200); while (!Serial) { ; // wait for serial port to connect. Needed for native USB port only } // attempt to connect to WiFi network: while (status != WL_CONNECTED) { Serial.print("Attempting to connect to SSID: "); Serial.println(ssid); // Connect to WPA/WPA2 network. Change this line if using open or WEP network: status = WiFi.begin(ssid, password); // wait 10 seconds for connection: delay(10000); } Serial.print("IP address: "); Serial.println(WiFi.localIP()); } void loop() { root["name"] = "hello-wia"; root["data"] = ""; Serial.println("connecting..."); // if you get a connection, report back via serial: if (client.connect(server, port)) { Serial.println("connected"); postToWia(root); } else { // if you didn't get a connection to the server: Serial.println("connection failed"); } // if there are incoming bytes available // from the server, read them and print them: if (client.available()) { char c = client.read(); Serial.print(c); } // if the server's disconnected, stop the client: if (!client.available() && !client.connected()) { Serial.println(); client.stop(); delay(10000); //Do nothing forever for (;;) ; } } void postToWia(JsonObject& data) { String dataStr = ""; serializeJson(data, dataStr); httpClient.beginRequest(); httpClient.post(path); httpClient.sendHeader("Content-Type", "application/json"); httpClient.sendHeader("Content-Length", dataStr.length()); httpClient.sendHeader("Authorization", "Bearer " + String(device_secret_key)); httpClient.beginBody(); httpClient.print(dataStr); httpClient.endRequest(); }