WalT-in-pictures.md

+![node on wall plug](uploads/914d06acb081a7d9d2c14f84b8c3dc66/wall-plug-single-node.jpg)
+
+![old node](uploads/c3963d296e46b6ec5f8da9ddde6db92a/setup.jpg)
+
+![mobile-setup](uploads/37bdac82ba297e4a88d0f1c5592edb97/mobile-setup.jpg)
+
+![poe switches](uploads/1a6490d9ef9260bbbfeadd0eaa5aedb4/poe.jpg)
+
+![rpi boxes](uploads/3c8b50a084bd1bd33ddea97d0007b720/rpis.jpg)
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