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# Altus Metrum Units Constructed
This page contains Bdale's notes about each unit of [TeleMetrum](TeleMetrum/)
and [TeleDongle](TeleDongle/) assembled to date.
## sn 1 ##
Full load of v0.1 PCB, two cuts and jumps to rewire P1_2 to be SPI memory
chip select, R14 and R15 loaded with 56k, 10k tacked from each to
ground. R17 replaced with short circuit, R18 removed.
Installed in Bdale's Vertical Assault. First unit to be flown on
2009.04.19, on a Cesaroni J335.
Successfully flew Bdale's rebuilt Horizon dual-deploy at Hudson Ranch on
2009.07.18 with a MAWD as backup. The first dual-deploy flight with a TM
board in control of ejection charges!
## sn 2 ##
Full load of v0.1 PCB, two cuts and jumps to rewire P1_2 to be SPI memory
chip select, R14 and R15 loaded with 56k, 10k tacked from each to
ground.
Delivered to Keith Packard for firmware development and use. Flown twice
on 10 May 2008 in Keith's Grappler to about 45m on Estes D12-3 motors.
Flew in Keith's Little Dog Dual Deploy at Mile High Mayhem as a payload. The
ascent was pretty but the rocket failed to deploy and lawn-darted. The battery
and screw terminal block connectors got more or less torn off, but the rest
of the board survived and good data was recovered from the flight.
Repaired by Bdale, sent back to Keith on 7 July 2009. Keith reported the
baro sensor as flakey, it was replaced in October 2009 prior to
NCR Octoberfest.
## sn 3 ##
Full load of v0.1 PCB on 2009.04.22, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
Installed in Bdale's Vertical Assault after sn 1 moved to Horizon, but never
flown there.
Pulled and given to Keith to take home from Mayhem.
Lost in Keith's Nike which was lost for a while after an apparently nominal
flight in June 2009 at Brothers, Oregon. Rocket was later found and this unit
is reportedly still in good condition.
## sn 4 ##
Full load of v0.1 PCB on 2009.04.22, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
Installed in Robert's Lil Nuke.
Lost at Hudson Ranch 2009.07.18 when we forgot to tape the nose cone on and
both it and the electronics sled came out at apogee and were not recovered.
## sn 5 ##
Partial "ground" load of v0.1 PCB on 2009.04.23 plus beeper and serial
connector for use as TeleDongle or for TeleTerra prototype.
Bdale's TeleDongle.
Keith added acrylic LED light pipes and a LiPo for use in RDF after flight.
## sn 6 ##
Partial "ground" load of v0.1 PCB on 2009.04.23 for use as TeleDongle.
Keith's TeleDongle.
Keith added acrylic LED light pipes and a LiPo for use in RDF after flight.
## sn 7 ##
Full load of v0.1 PCB on 2009.08.08, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
Pulled from Vertical Assault (never flew there) and taken to Keith in Japan
in October 2009 as replacement.
## sn 8 ##
Full load of v0.1 PCB on 2009.08.08, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
Delivered to Keith in early November 2009.
## sn 9 ##
Full load of v0.1 PCB on 2009.08.15, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
Installed in Bdale's Trick-o-Treat 98mm airframe.
## sn 10 ##
Full load of v0.1 PCB on 2009.08.15, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
Installed in Robert's Lil Nuke.
## sn 11 ##
Full load of v0.1 PCB on 2009.08.15, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground. Accelerometer loaded is MMA2204EG 100G unit!
In G-Spot, this accelerometer recorded 52.8 gee acceleration on a
Cesaroni pro29 H399 reload at NCR Oktoberfest 2009!
Beeper failed after a hard landing, replaced 2010.02.06.
## sn 12 ##
Full load of v0.1 PCB on 2009.11.05, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground. Accelerometer loaded is MMA2204EG 100G unit!
## sn 13 ##
Full load of v0.1 PCB on 2009.11.05, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
Modified 2009.11.20 to:
* use TC1055-3.3VCT713 100ma regulator proposed for v0.2
* route 3.3V instead of v_lipo to the serial connector for SkyTraq GPS
* use v_lipo for pyro voltage instead of 5V with 1000uF capacitor
* added 100uF 1206 capacitor on 3.3V rail
In this configuration, flew two textbook perfect flights on 2009.11.21 at
Hudson Ranch in Trick-O-Treat on J motors.
## sn 14 ##
Full load of v0.1 PCB on 2009.11.05, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
## sn 15 ##
Partial "ground" load of v0.1 PCB on 2009.11.18 for use as TeleDongle.
## sn 16 ##
Partial "ground" load of v0.1 PCB on 2009.11.18 for use as TeleDongle.
## sn 51 ##
Full load of TeleMetrum v0.2 PCB on 2010.01.09, with 100g accel and screw
terminals.
Installed in G-Spot on 2010.02.06.
## sn 52 ##
Full load of TeleMetrum v0.2 PCB on 2010.01.09, with 50g accel and Tyco header.
Went home with Keith from LCA 2010 in Wellington.
## sn 53 ##
Full load of TeleMetrum v0.2 PCB on 2010.01.09, with 40g accel and screw
terminals.
## sn 100-207 ##
First production run of 108 pieces of TeleDongle v0.2 by
[Advanced Circuits](http://4pcb.com), received 2010.02.25.
## sn 208-261 ##
First production run of 54 pieces of TeleMetrum v1.0 by
[Advanced Circuits](http://4pcb.com), received 2010.04.08.
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