Add stuff for power monitoring and post on freebsd routers

content/post/building-a-freebsd-router.md

@@ -0,0 +1,19 @@
++++
+date = "2018-03-07T22:35:34-05:00"
+title = "Building a FreeBSD router"
+menu = "main"
+Categories = ["Administration","Homelab","DIY"]
+Tags = ["freebsd","homelab","router"]
+Description = "Replace pfSense with an Ansible-managed router"
+type = "post"
+weight = 1
+draft = true
+
++++
+
+# Building a FreeBSD router
+
+
+## Assemble the hardware
+
+The project started with two unused C6100 nodes, which had recently been replaced with upgraded models. I pulled out the second CPU, gave them each 4GB of RAM, and attached each of them to a standard power supply.

content/post/custom-power-monitoring.md

@@ -199,6 +199,12 @@ y. Install each circuit's voltage sensor between the hot and neutral leads, bein
 
 ## Part 3.9 - The Mux shield
 
+![MuxShield](/images/pdu/mux_shield.png)
+
+The Mayhew Labs MuxShield provides an additional 48 analog I/O inputs for an Arduino. In this case, I use it to allow all the individual sensors to be read independently, including the voltage sensors.
+
+1. Connect each lead cable to one of the Analog inputs on the MuxShield.
+
 # Part 4 - The Software
 
 ## Part 4.1 - The Arduino