Merge ee1a970647 into c11a748608

static/index.html

@@ -295,15 +295,12 @@
         var hardware = document.querySelector('input[name="hardware"]:checked').value;
 
         var diagram_protocol = protocol.replace("v1","").replace("v2","");
-        var img = new Image();
-        img.src = `wiring_diagrams/${hardware}_${diagram_protocol}.png`;
-        if(img.height !== 0){
-            console.log(`diagram: ${img.src}`);
-            document.querySelector("#wiring_diagram").src = img.src;
-        }else{
-            console.log(`img not found: ${img.src}`);
-            document.querySelector("#wiring_diagram").src = "wiring_diagrams/v25iboard_secplus.png";
+        var img = document.querySelector("#wiring_diagram");
+        img.onerror = function() {
+            console.log(`img not found: ${this.src}`);
+            this.src = "wiring_diagrams/v25iboard_secplus.png";
         }
+        img.src = `wiring_diagrams/${hardware}_${diagram_protocol}.png`;
 
         if(protocol !== "secplusv2" && (hardware === "v2board_esp8266_d1_mini" || hardware === "v2board_esp32_d1_mini")){
           alert("ratgdo version 2.0 only works with Security + 2.0");