diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a8b42eb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.retry
diff --git a/raspberry-lab.yml b/raspberry-lab.yml
index 4c51098..2703281 100644
--- a/raspberry-lab.yml
+++ b/raspberry-lab.yml
@@ -3,5 +3,7 @@
   hosts: localhost
   connection: local
   become_method: sudo
+  become: yes
   roles:
     - role: common
+    - role: arduino
diff --git a/roles/arduino/defaults/main.yml b/roles/arduino/defaults/main.yml
new file mode 100644
index 0000000..cac3ef9
--- /dev/null
+++ b/roles/arduino/defaults/main.yml
@@ -0,0 +1,4 @@
+---
+arduino_version: "1.8.18"
+arduino_ide_url: "https://downloads.arduino.cc/arduino-{{ arduino_version }}-linuxarm.tar.xz"
+arduino_download_directory: /opt/arduino
diff --git a/roles/arduino/tasks/main.yml b/roles/arduino/tasks/main.yml
new file mode 100644
index 0000000..a4ad044
--- /dev/null
+++ b/roles/arduino/tasks/main.yml
@@ -0,0 +1,11 @@
+---
+- name: "Install arduino needed packages"
+  apt:
+    name:
+      - picocom
+      - python-pip
+    state: latest
+    
+- name: "install inotool with pip"
+  pip:
+    name: ino
diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml
index a8920ae..aee454d 100644
--- a/roles/common/tasks/main.yml
+++ b/roles/common/tasks/main.yml
@@ -1,4 +1,9 @@
 ---
+- name: "Update apt-cache"
+  apt: 
+    update_cache: yes
+    cache_valid_time: 3600
+
 - name: "Install common packages"
   apt:
     name:
@@ -17,6 +22,4 @@
       - wget
       - whois
       - xclip
-    state: present
-    update_cache: yes
-  become: yes
+    state: latest