diff --git a/packer/ansible/roles/fablab/tasks/main.yml b/packer/ansible/roles/fablab/tasks/main.yml
index 891123b..2981e75 100644
--- a/packer/ansible/roles/fablab/tasks/main.yml
+++ b/packer/ansible/roles/fablab/tasks/main.yml
@@ -24,5 +24,8 @@
   - import_tasks: prusa.yml
     tags:
       - fablab:prusa
+  - import_tasks: platformio.yml
+    tags:
+      - fablab:platformio
   tags:
     - fablab
diff --git a/packer/ansible/roles/fablab/tasks/platformio.yml b/packer/ansible/roles/fablab/tasks/platformio.yml
new file mode 100644
index 0000000..c2b3cca
--- /dev/null
+++ b/packer/ansible/roles/fablab/tasks/platformio.yml
@@ -0,0 +1,15 @@
+---
+- name: Ensure pip3 is installed
+  apt:
+    name: python3-pip
+
+- name: Install platformio via pip
+  pip:
+    name: platformio
+    state: latest
+    executable: pip3
+
+- name: Add guest user to dialout group
+  lineinfile:
+    path: /etc/guest-account/groups
+    line: dialout