Openevse.js

OpenEVSE.js

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+//This script sends the import/export power value and voltage from your solar installation to OpenEVSE to regulate charging without needing an MQTT broker.
+//Change the IP address to match your OpenEVSE. The script sends data every 5 seconds.
+//The example is made for a Shelly Pro EM, reading channel 0 (EM1 id:0).
+
+//Instructions:
+//Access Shelly web interface > Scripts > Create
+//Paste the script below, enable Autostart: On, Save and Start
+//Verify in console (Scripts > Console) that it prints "Enviado cada 5s"
+
+//Author: EA4GKQ
+
+let ipOpenEVSE = "192.168.3.254";
+
+function sendPower() {
+  Shelly.call("EM1.GetStatus",{ id: 0 },
+      function(status) {
+        if (status && status.act_power) {
+          let powerValue = 0;  // Variable global para act_power
+          let voltageValue = 0;  // Variable global para act_power
+          powerValue = status.act_power;
+          voltageValue =  status.voltage;
+          print("act_power obtenido: " + powerValue+" w");
+
+          print("voltaje obtenido: " + voltageValue+" v" );
+
+          let body = "{\"grid_ie\": " + powerValue + ",\"voltage\": " + voltageValue + "}";
+
+          Shelly.call(
+            "HTTP.POST", 
+            {"url": "http://"+ipOpenEVSE+"/status", "body": body},
+            function (response) {
+              if (response && response.code === 200) {
+                 print("Enviado: " + body);
+                 Shelly.emitEvent("HTTP-result", response.body);
+              } else {
+                 print("Error HTTP: " + JSON.stringify(response));
+              }
+            }
+          );
+        } else {
+          print("Error: status EM1 inválido " + JSON.stringify(status));
+        }
+      }
+  );
+
+}
+
+// Inicia timer cada 5 segundos (5000 ms), repetitivo
+timerHandle = Timer.set(5000, true, sendPower);
+print("🚀 Solar-to-OpenEVSE timer started: 5s interval");