update robotlab info for new facilities; add one line to README.md ab…

…out compiling and debugging the website locally.

docs/robotlab.md

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 # The Robotlab 
 DIKUs Robotlab is the place for experimenting with robotics of all kinds.
 
-Our robot lab has a growing assortment of different robotics platforms. Notably a number of Arlos(link) and a UR5e robot arm, as well as a few Crazyflie microdrones. 
+Our robot lab has a growing assortment of different robotics platforms. Notably a number of robot arms, grippers, ground and aerial mobile platforms. 
 The lab is also equipped with an optitrack motion capture system for tracking robot movements.
 
 The lab should be used primarily for testing robotics platforms so any repair work etc. should be done in the [toolshop](/image-website/toolshop/).
 
 __the UR5e:__ the [UR5e]({{ site.baseurl }}{% link robotlab/ur5e.md %}) is a cobot and as such it is much safer than the standard industrial robot. It is still a potentially dangerous (and definitely expensive) machine, so make sure you have received the mandatory safety instructions before using this. 
 
-__OnRobot RG2__ the [OnRobot RG2]({{ site.baseurl }}{% link robotlab/rg2gripper.md %}) is eletric two-fingered gripper that can be mounted on UR5e to grasp and release objects.
+__OnRobot RG2:__ the [OnRobot RG2]({{ site.baseurl }}{% link robotlab/rg2gripper.md %}) is eletric two-fingered gripper that can be mounted on UR5e to grasp and release objects.
+
+__Piab Pneumatic Gripper Kit:__ the [Piab Pneumatic Gripper Kit]({{ site.baseurl }}{% link robotlab/piabgripper.md %}) is a set of vacuum ejector, suction cups and soft grippers for grasping and releasing objects. You may need to use them together with compressors and valves in the lab. 
+
+__uFactory xArm6:__ [xArm6]({{ site.baseurl }}{% link robotlab/xarm6.md %}) is a light-weight cobot with similar degrees-of-freedom and payload as UR5e. However, its tool plate size is different so you may need to create your own mounting plates with 3D printing facilities. 
 
 __The Arlos:__ Arlo is an open landdrone platform for teaching and research. We have app. 10 Arlos. These are used in the robot course and thus it should be respected that in block 1 they are reserved for this purpose. This also means that there will be significntly more activity in the lab in this period, so plan ahead.
 
-__crazyflies:__ the crazyflies can be used for projects, but it should be noted that they are fragile, and even though we have some spare parts, please be cautious when using them.
+__TerraBot:__ [TERRA]({{ site.baseurl }}{% link robotlab/terrabot.md %}) is a home-made differential-drive mobile platform similar to the Arlos. Ask the owner or the lab manager for its availability if you found its features suit your project better.
+
+__Crazyflies:__ the crazyflies are micro-sized drones that can be used for projects, but it should be noted that they are fragile, and even though we have 8 of them and some spare parts, please be cautious when using them.
 
-__the optitrack system:__  the system consist of 8 cameras positioned to give a good coverage of the entire lab, centered on the middle of the floor. Do not under any circumstances move any of the cameras. They will have to be re calibrated and can be potentially damaged if moved. 
+__the optitrack system:__  the system consist of 8 cameras positioned to give a good coverage of the entire lab, centered on the middle of the floor. Do not under any circumstances move any of the cameras. They will have to be re calibrated and can be potentially damaged if moved. The lab space at Sigursgade has a similar system used for research on human interaction. 
 
 
 

docs/robotlab/piabgripper.md

@@ -0,0 +1,12 @@
+---
+layout: page
+title: Robotlab - Piab Vacuum Kit
+permalink: /robotlab/piabgripper
+---
+
+[Piab](https://www.piab.com) provides vacuum technologies for lifting and moving objects in automation applications. The lab space has received a package of vacuum cups and soft grippers that may suit different payloads and object geometries. The grippers can be connected to robot arms such as [UR5e](./ur5e) and actuated with vacuum ejector (the red aspirator in the picture) or piCOMPACT I/O link (the device in the picture). Note you might need air compressor as in the picture below and pneumatic valves to control on/off of the grip. Consult the lab manager on how to use them properly.
+
+<div>
+<img src="./assets/img/IMG_0685.jpeg" width="576" height="432"/>
+<img src="./assets/img/IMG_0686.jpeg" width="576" height="432"/>
+</div>

docs/robotlab/terrabot.md

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+---
+layout: page
+title: Robotlab - TerraBot
+permalink: /robotlab/terrabot
+---
+
+Template for Experimental Robotic Research and Applications (TERRA) is a home-made mobile robot with inspirations from [a project at Cornell University](https://dl.acm.org/doi/10.1145/3568294.3580206) and the Arlo robots. It is produced as a master thesis work by [Stefan Kröll Rasmussen](https://github.com/SKroell/TERRA-bot). 
+
+The robot is powered by the chasis of a hoverboard so it can operate under considerable payload for more than 5 hours. It equips a piece of Rasberry Pi 5 with ROS2 installed, supporting web access to an onboard camera and motion commands from a remote computer. The main purpose of Terra is for human-robot interaction research, e.g. in open space environments, for its long battery lifespan and full possibility of customization. It may also be used as a substitute when you seek to use Arlos for your project while they are occupied by teaching activities. 
+
+<div>
+<img src="./assets/img/IMG_0683.jpeg" width="432" height="576"/>
+</div>
+

docs/robotlab/xarm6.md

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+---
+layout: page
+title: Robotlab - UFactory xArm6
+permalink: /robotlab/xarm6
+---
+
+UFactory xArm6 is among a series of light-weight multi-DOFs robots with simple programming interface. It has 6 revolute joints and 5kg payload, with a repetitive accuracy of 0.1mm. The official repository contains a rich document about programming it with [python SDK](https://github.com/xArm-Developer/xArm-Python-SDK) or [ROS](https://github.com/xArm-Developer/xarm_ros2). The remote computer can be connected to the robot via a network and a direct cable if low latency is desired.
+
+<div>
+<img src="./assets/img/IMG_0684.jpeg" width="432" height="576"/>
+</div>