X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=doc%2Ftelemetrum.inc;h=3247db9553e214dd3d00c15966433380ba29788f;hp=fa7d202c19d9395b80b82f4bc75a469e8caa80d4;hb=HEAD;hpb=ce297f14ff54d230d01fb6dedaafca571e8b836b diff --git a/doc/telemetrum.inc b/doc/telemetrum.inc index fa7d202c..fdb961d7 100644 --- a/doc/telemetrum.inc +++ b/doc/telemetrum.inc @@ -1,10 +1,10 @@ == 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 @@ -18,7 +18,7 @@ bay for TeleMetrum should have at least 10 inches of interior length. There are two generations of the TeleMetrum design. The - major changes in the v2 generation are: + major changes after v1 generation are: * uBlox GPS chip certified for altitude records @@ -37,16 +37,17 @@ 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 - |3 |Main + |Main pyro channel common connection to battery + + |3 |Main +++ |Main pyro channel common connection to battery +++ |4 |Main - |Main pyro channel connection to pyro circuit - |5 |Apogee + |Apogee pyro channel common connection to battery + + |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 @@ -61,14 +62,15 @@ stranded, into the GND hole just above the screw terminal strip and solder it in place. - Connecting the positive battery terminal to the pyro + Connecting the switched positive battery terminal to the pyro charges must be done separate from TeleMetrum, by soldering - them together or using some other connector. - + them together or using some other connector. Note that you + must include a switch in the positive lead from the pyro + battery for safety! The other lead from each pyro charge is then inserted into - the appropriate per-pyro channel screw terminal (terminal 4 for the - Main charge, terminal 6 for the Apogee charge). + the appropriate per-pyro channel screw terminal (terminal 4 + for the Main charge, terminal 6 for the Apogee charge). === Using an Active Switch with TeleMetrum