diff --git a/.gitignore b/.gitignore
index dfcf93b..229f88f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
+.gitignore
 makefile
-
-Scripts/*
\ No newline at end of file
diff --git a/Scripts/index.js b/Scripts/index.js
new file mode 100644
index 0000000..d38abf1
--- /dev/null
+++ b/Scripts/index.js
@@ -0,0 +1,43 @@
+"use strict";
+const techDescription = document.getElementById('techDescription');
+const techs = [
+    { iconId: 'inoTechIcon', description: 'Arduino: Proyectos de electrónica y prototipos' },
+    { iconId: 'cTechIcon', description: 'C: Mi lenguaje de programación principal' },
+    { iconId: 'gitTechIcon', description: 'Git: Control de versiones de mis proyectos' },
+    { iconId: 'linuxTechIcon', description: 'Linux: Uso diario y administración' },
+    { iconId: 'rpiTechIcon', description: 'Raspberry Pi: Servidores caseros y homelabs' }
+];
+if (!techDescription) {
+    alert('ERROR: No se ha encontrado el elemento "techDescription"');
+}
+else {
+    techs.forEach(tech => {
+        const icon = document.getElementById(tech.iconId);
+        if (!icon) {
+            alert('ERROR: elemento con ID ${tech.iconID} no encontrado');
+            return;
+        }
+        icon.addEventListener('mouseenter', () => {
+            techDescription.innerText = tech.description;
+            switch (tech.iconId) {
+                case 'inoTechIcon':
+                    techDescription.style.color = 'aqua';
+                    break;
+                case 'cTechIcon':
+                    techDescription.style.color = '#1578fa';
+                    break;
+                case 'gitTechIcon':
+                    techDescription.style.color = 'orangered';
+                    break;
+                case 'linuxTechIcon':
+                    techDescription.style.color = 'yellow';
+                    break;
+                case 'rpiTechIcon':
+                    techDescription.style.color = '#FB266A';
+                    break;
+                default:
+                    break;
+            }
+        });
+    });
+}
diff --git a/Scripts/index_en.js b/Scripts/index_en.js
new file mode 100644
index 0000000..3430fb0
--- /dev/null
+++ b/Scripts/index_en.js
@@ -0,0 +1,43 @@
+"use strict";
+const techDescription_en = document.getElementById('techDescription');
+const techs_en = [
+    { iconId: 'inoTechIcon', description: 'Arduino: Electronics projects and prototyping' },
+    { iconId: 'cTechIcon', description: 'C: My main programming language' },
+    { iconId: 'gitTechIcon', description: 'Git: Version control for all my projects' },
+    { iconId: 'linuxTechIcon', description: 'Linux: Daily use and administration' },
+    { iconId: 'rpiTechIcon', description: 'Raspberry Pi: Home servers and homelabs' }
+];
+if (!techDescription_en) {
+    alert('ERROR: No se ha encontrado el elemento "techDescription"');
+}
+else {
+    techs_en.forEach(tech => {
+        const icon = document.getElementById(tech.iconId);
+        if (!icon) {
+            alert('ERROR: elemento con ID ${tech.iconID} no encontrado');
+            return;
+        }
+        icon.addEventListener('mouseenter', () => {
+            techDescription_en.innerText = tech.description;
+            switch (tech.iconId) {
+                case 'inoTechIcon':
+                    techDescription_en.style.color = 'aqua';
+                    break;
+                case 'cTechIcon':
+                    techDescription_en.style.color = '#1578fa';
+                    break;
+                case 'gitTechIcon':
+                    techDescription_en.style.color = 'orangered';
+                    break;
+                case 'linuxTechIcon':
+                    techDescription_en.style.color = 'yellow';
+                    break;
+                case 'rpiTechIcon':
+                    techDescription_en.style.color = '#FB266A';
+                    break;
+                default:
+                    break;
+            }
+        });
+    });
+}