## sn 5138-5141 ##
Hand build of 4 pieces of TeleLCO v2.0 by Bdale on 2017.05.27.
+
+## sn 5142-5145 ##
+
+Hand build of 4 pieces of TeleFireEight v1.0 by Bdale on 2017.05.30.
+
+## sn 5146-5395 ##
+
+Production run of 250 pieces of TeleDongle v3.0 by
+[Advanced Circuits](http://4pcb.com), received 2018.09.26.
+
+## sn 5396-5398 ##
+
+Prototype build of 3 pieces of EasyMega v2 proto 1 by Bdale on 2018.10.12.
+
+## sn 5400-5649 ##
+
+Production run of 250 pieces of EasyMega v2 by
+[Advanced Circuits](http://4pcb.com), received 2018.12.27.
+