== TeleMetrum
.TeleMetrum v2 Board
- image::telemetrum-v2.0-th.jpg[width="5.5in"]
+ image::telemetrum-v2.0-th.jpg[width=400]
.TeleMetrum v1 Board
- image::telemetrum-v1.1-thside.jpg[width="5.5in"]
+ image::telemetrum-v1.1-thside.jpg[width=400]
TeleMetrum is a 1 inch by 2¾ inch circuit board. It was designed to
fit inside coupler for 29mm air-frame tubing, but using it in a tube that
circuits. Using the picture above and starting from the top,
the terminals are as follows:
+ .TeleMetrum Screw Terminals
[options="header",grid="all",cols="2,3,10"]
- |=========================
+ |===
|Terminal #|Terminal Name|Description
|1 |Switch Output |Switch connection to flight computer
|2 |Switch Input |Switch connection to positive battery terminal
|4 |Main - |Main pyro channel connection to pyro circuit
|5 |Apogee + |Apogee pyro channel common connection to battery +
|6 |Apogee - |Apogee pyro channel connection to pyro circuit
- |========================
+ |===
=== Using a Separate Pyro Battery with TeleMetrum