diff --git a/docs/developers.md b/docs/developers.md
index 98a4e1d911e598709feedecce3e0318e5d94545a..881d805202179a0d989324f9f8087512645a838d 100644
--- a/docs/developers.md
+++ b/docs/developers.md
@@ -1,2 +1,18 @@
 # Developers
 
+## Config
+
+* Hokuyo laser
+    * Create ethernet connection with 172.20.10.XX (laser IP address: 172.20.10.10)
+    * Add udev rule [99-hokuyo.rules](https://gitlab.iri.upc.edu/labrobotica/ros/sensors/ranger2d/iri_hokuyo_laser2d_bringup/blob/master/udev/99-hokuyo.rules) to ```/etc/udev/rules.d```
+* Pioneer 
+    * Add user to dialout: ```sudo adduser helena dialout```
+    * Add udev rule [99-ftdi.rules](https://gitlab.iri.upc.edu/labrobotica/ros/platforms/Pioneer3/iri_pioneer3_bringup/blob/master/udev/99-ftdi.rules) to ```/etc/udev/rules.d```
+* PS3joy
+    * Follow pairing instructions: [iri_teleop_launch/docs/ps3joy_bluetooth_pairing.md](https://gitlab.iri.upc.edu/labrobotica/ros/navigation/iri_teleop_launch/blob/master/docs/ps3joy_bluetooth_pairing.md)
+    * Add udev rule [99-ps3joy.rules](https://gitlab.iri.upc.edu/labrobotica/ros/navigation/iri_teleop_launch/blob/master/scripts/99-ps3joy.rules) to ```/etc/udev/rules.d```
+* Screen: follow resolution and calibration instructions: [iri_helena_how_to/docs/config/screen.md](https://gitlab.iri.upc.edu/labrobotica/ros/robots/helena/iri_helena_how_to/blob/master/docs/config/screen.md)
+
+* Wifi hotspot:
+
+* ROS Network setup: ROS_MASTER_URI, ROS_IP
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