In this configuration, flew two textbook perfect flights on 2009.11.21 at
Hudson Ranch in Trick-O-Treat on J motors.
+Modified 2011.11.13 to:
+
+* test ADXL78 accelerometer functionality for v1.2 build
+* use 3.3k instead of 10k for R2 and R3, to eliminate power-on pyro glitching
+
## 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.
+Modified 2010.10.18:
+
+* R10 changed to 27k to allow keithp to test use of 1.25V ADC internal
+ reference with the accelerometer
+
+Delivered to keithp on 2010.10.19.
+
+Modifed by keithp on 2011.03.30 to have 3.3V on the serial connector power pin.
+
## sn 15 ##
Partial "ground" load of v0.1 PCB on 2009.11.18 for use as TeleDongle.
Partial "ground" load of v0.1 PCB on 2009.11.18 for use as TeleDongle.
+## sn 17-21 ##
+
+Full load of TeleMini v0.1 PCBs on 2011.03.07. Minor variations due to
+parts availability, as follows:
+
+* sn 17-18 have TXC oscillators, sn 19-21 have Abracom
+* sn 21 is missing the dual LED
+
+## sn 25-26 ##
+
+Full load of TeleTerra v0.1 PCBs on 2010.10.31
+
+## sn 27-31 ##
+
+Full load of TeleNano v0.1 PCBs on 201103.09. sn 27 has TXC oscillator, all
+others have Abracom, no other significant variations.
+
+## sn 32-33 ##
+
+Full load of TeleMini v0.2 PCBs on 2011.05.04.
+
+## sn 34-36 ##
+
+Full load of TeleScience v0.1 PCBs on 2011.05.05.
+
+## sn 37-38 ##
+
+Full load of TeleBT v0.1 PCBs on 2011.05.06.
+
+## sn 39-42 ##
+
+Full load of TelePyro v0.1 PCBs on 2011.09.20, except only sn 39 and 40
+have magnetic sensors since I only have two samples of the now-obsolete part.
+
+## sn 43-45 ##
+
+Full load of TeleScience v0.1 PCBs on 2011.09.22.
+
+## sn 46-48 ##
+
+Full load of TeleTerra v0.2 PCBs on 2011.10.23.
+
+## sn 49-50 ##
+
+Full load of TeleShield v0.1 PCBs on 2012.01.03, using 3.15V reset controller
+and the less-good crystals.
+
## sn 51 ##
Full load of TeleMetrum v0.2 PCB on 2010.01.09, with 100g accel and screw
Full load of TeleMetrum v0.2 PCB on 2010.01.09, with 40g accel and screw
terminals.
+## sn 54-56 ##
+
+Prototypes of TeleMetrum v1.1 loaded with the newer Venus 638 chips for
+evalutation, loaded as part of the production v1.1 run by
+[Advanced Circuits](http://4pcb.com), received 2011.01.06.
+
+## sn 57-60 ##
+
+Full load of TeleBT v0.2 PCBs on 2012.01.07.
+
+## sn 61-63 ##
+
+Full load of TeleShield v0.1 PCBs on 2012.01.13.
+
+## sn 64-65 ##
+
+MegaMetrum v0.1 PCBs on 2012.03.31, with 2 megabyte flash parts and no
+high-g accel.
+
+## sn 66 ##
+
+TeleFire v0.1 PCB built by Keith on 2012.08.23.
+
+## sn 67 ##
+
+TeleLCO v0.1 PCB built by Keith on 2012.08.26.
+
+## sn 68-70 ##
+
+MegaMetrum v0.1 PCBs on 2012.08.28.
+
+## sn 71-73 ##
+
+TeleBT v0.3 2012.12.19.
+
+## sn 74-76 ##
+
+MegaDongle v0.2 2012.12.27.
+
+## sn 77-79 ##
+
+TeleScience v0.2 2013.01.12.
+
+## sn 80-82 ##
+
+TeleGPS v0.1 2013.03.20
+
+## sn 83-85 ##
+
+TeleMega v0.3 2013.05.07. sn 85 has cc1125, the others have cc1120.
+
+## sn 86-88 ##
+
+EasyMini v0.1 2013.05.19.
+
+## sn 89-91 ##
+
+TeleMini v1.1 2013.05.22.
+
+## sn 92-93 ##
+
+TeleMetrum v1.9 2013.08.27
+
+## sn 94-95 ##
+
+TeleMega v0.4 P 2013.08.28
+
+## sn 96 ##
+
+TeleMini v1.1 2013.08.25. From Phoenix panel.
+
+## sn 97-98 ##
+
+TeleMini v1.1 2013.09.15. From Phoenix panel.
+
## sn 100-207 ##
First production run of 108 pieces of TeleDongle v0.2 by
First production run of 54 pieces of TeleMetrum v1.0 by
[Advanced Circuits](http://4pcb.com), received 2010.04.08.
+## sn 262-366 ##
+
+Production run of 105 pieces of TeleMetrum v1.1 by
+[Advanced Circuits](http://4pcb.com), received 2011.01.06.
+
+## sn 367-690 ##
+
+Production run of 324 pieces of TeleDongle v0.2 by
+[Advanced Circuits](http://4pcb.com), received 2011.03.21.
+
+## sn 691-834 ##
+
+Production run of 144 pieces of TeleMini v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2011.07.25.
+
+## sn 835-941 ##
+
+Production run of 107 pieces of TeleMetrum v1.2 by
+[Advanced Circuits](http://4pcb.com), received 2011.12.15.
+
+## sn 942-1049 ##
+
+Production run of 108 pieces of TeleMetrum v1.2b by
+[Advanced Circuits](http://4pcb.com), received 2012.10.29.
+
+## sn 1050-1169 ##
+
+Production run of 120 pieces of TeleBT v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2013.04.08. All above
+approximately sn 1050 were lost in the fire.
+
+## sn 1070-1189 ##
+
+Production run of 120 pieces of TeleBT v1.1 by
+[Advanced Circuits](http://4pcb.com), received 2013.08.22. This batch
+later determined to have been built with "suspect" TI cc1111 chips.
+
+## sn 1190-1213 ##
+
+Production run of 24 pieces of EasyMini v1.0 by
+keithp. Build started 2013.10.05
+
+## sn 1214-1263 ##
+
+Production run of 50 pieces of TeleMega v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2013.12.09.
+
+## sn 99 ##
+
+TeleMini v1.1 from phoenix panel
+
+## sn 1264-1269 ##
+
+Production run of 6 EasyMini v1.0 by keithp
+
+## sn 1270-1377 ##
+
+Production run of 108 pieces of TeleMetrum v2.0 by
+[Advanced Circuits](http://4pcb.com), received 2014.01.24.
+
+## sn 1378-1593 ##
+
+Production run of 216 pieces of TeleDongle v0.2b byy
+[Advanced Circuits](http://4pcb.com), received 2014.01.27. This batch
+later determined to have been built with "suspect" TI cc1111 chips.
+
+## sn 1594-1602 ##
+
+Production run of 9 EasyMini v1.0 by keithp 2014.01.30
+
+## sn 1603-1611 ##
+
+Production run of 9 EasyMini v1.0 by keithp. 2014.02.04
+
+## sn 1612-1661 ##
+
+Production run of 50 pieces of TeleMega v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2014.01.13.
+
+## sn 1662-1664 ##
+
+Prototype build of 3 TeleGPS v0.3 by Bdale 2014.03.11.
+
+## sn 1665-1864 ##
+
+Production run of 200 pieces of EasyMini v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2014.04.02.
+
+## sn 1865-1867 ##
+
+Prototype build of 3 USBrelay v0.1 by Bdale 2014.05.07.
+
+## sn 1868-1870 ##
+
+Prototype build of 3 FCtester v0.1 by Bdale 2014.05.11.
+
+## sn 1871-1873 ##
+
+Prototype build of 3 EasyMega v0.1 by Bdale 2014.05.14
+
+## sn 1874-1981 ##
+
+Production run of 108 pieces of TeleGPS v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2014.05.21.
+
+## sn 1982-1983 ##
+
+Build 2 TeleFire v0.2 by Keith 2014.07.12
+
+## sn 1984-2083 ##
+
+Production run of 100 pieces of EasyMega v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2014.08.14.
+
+## sn 2084-2086 ##
+
+Prototype build of 3 TeleDongle v1.9 by Keithp 2014.11.06
+
+## sn 2087-2302 ##
+
+Production run of 216 pieces of TeleMetrum v2.0b by
+[Advanced Circuits](http://4pcb.com), received 2014.11.26.
+
+## sn 2303-2402 ##
+
+Production run of 100 pieces of TeleMega v1.0b by
+[Advanced Circuits](http://4pcb.com), received 2014.12.06.
+
+## sn 2403-2406 ##
+
+Prototype build of 3 USBtrng v2.0 by Keithp 2015.01.25
+
+## sn 2407-2409 ##
+
+Prototype build of 3 TeleBT v2.0 by bdale 2015.01.29
+
+## sn 2410-2517 ##
+
+Production run of 108 pieces of TeleDongle v3.0 by
+[Advanced Circuits](http://4pcb.com), received 2015.05.04.
+
+## sn 2518-2529 ##
+
+Production run of 12 pieces of TeleMini v1.0 by keithp 2015.02.13
+
+## sn 2530-2541 ##
+
+Prototype built of 12 USBtrng v3.0 by keithp 2015.02.22
+
+## sn 2542-2667 ##
+
+Production run of 126 pieces of TeleBT v3.0 by
+[Advanced Circuits](http://4pcb.com), received 2015.07.16.
+
+## sn 2668-2917 ##
+
+Production run of 250 pieces of TeleDongle v3.0 by
+[Advanced Circuits](http://4pcb.com), received 2015.10.21.
+
+## sn 2918-2920 ##
+
+Prototype run of 3 pieces of TeleFireTwo v0.1 by keithp 2015.12.16
+
+## sn 2921-2923 ##
+
+Prototype run of 3 pieces of TeleLCOTwo v0.1 by keithp 2015.12.16
+
+## sn 2924-3031 ##
+
+Production run of 108 pieces of TeleGPS v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2016.01.06.
+
+## sn 3032-3131 ##
+
+Production run of 100 pieces of TeleMega v2.0 by
+[Advanced Circuits](http://4pcb.com), received 2016.01.06.
+
+## sn 3132-3133 #
+
+Production run of 2 pieces of TeleMini v1.0 by
+keithp, built 2016.01.16
+
+## sn 3134-3393 #
+
+Production run of 260 pieces of EasyMini v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2016.01.26.
+
+## sn 3394-3396 #
+
+Prototype run of 3 TeleLCOTwo by
+keithp, built 2016.04.05
+
+## sn 3397-3398 #
+
+Prototype run of 2 TeleFireTwo v0.2 by
+keithp, built 2016.04.06
+
+## sn 3399-3402 ##
+
+Prototype run of 4 TeleFireTwo v1.1 by
+keithp, built 2016.06.12
+
+## sn 3403-3502 ##
+
+Production run of 100 pieces of TeleMega v2.0 by
+[Advanced Circuits](http://4pcb.com), received 2016.12.16.
+
+## sn 3503-3628 ##
+
+Production run of 126 pieces of TeleMetrum v2.0b by
+[Advanced Circuits](http://4pcb.com), received 2017.02.26.
+
+## sn 3629-3631 ##
+
+Prototype build of 3 pieces of TeleGPS v2.0 by Bdale on 2017.04.13.
+
+## sn 3632-3634 ##
+
+Prototype build of 3 pieces of TeleFireTwo v1.0 by Bdale on 2017.04.18.
+
+## sn 3635-3685 ##
+
+Production run of 50 TeleMini v3.0 by
+[Seeed Studios](https://www.seeedstudio.com/), received 2017.04.17.
+
+## sn 3686-3688 ##
+
+Prototype build of 3 pieces of TeleBT v4.0 beta 1 by Bdale on 2017.04.25.
+
+## sn 3689-3938 ##
+
+Production run of 250 pieces of TeleBT v4.0 by
+[Advanced Circuits](http://4pcb.com), received 2017.07.21.
+
+## sn 3939 ##
+
+Errant TeleDongle v3.0 found in Bdale's collection.
+
+## sn 3940-4189 ##
+
+Production run of 250 pieces of TeleGPS v2.0 by
+[Advanced Circuits](http://4pcb.com), received 2017.09.16.
+
+## sn 4190-4439 ##
+
+Production run of 250 pieces of TeleMega v3.0 by
+[Advanced Circuits](http://4pcb.com), received 2017.11.30.
+
+## sn 4440-4939 ##
+
+Production run of 500 pieces of EasyMini v2.0 by
+[Advanced Circuits](http://4pcb.com), received 2017.12.19.
+
+## sn 4940-5137 ##
+
+Production run of 198 pieces of TeleMetrum v2.0b by
+[Advanced Circuits](http://4pcb.com), received 2018.03.10.
+
+## 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.
+
+## sn 5650-5699 ##
+
+Production run of 50 pieces of TeleFireEight v2 by
+[Advanced Circuits](http://4pcb.com), received 2019.01.25.
+
+## sn 5700-5701 ##
+
+Prototype build of 2 pieces of TeleFireOne v2 by Bdale on 2019.02.16
+
+## sn 5702-5703 ##
+
+Prototype build of 2 pieces of TeleStatic v3 by Bdale on 2019.04.21
+
+## sn 5704-5728 ##
+
+Production build of 25 pieces of TeleLCO v2.1 by
+[Advanced Circuits](http://4pcb.com)
+
+## sn 5729-5980 ##
+
+Production build of 252 pieces of TeleMetrum v3.0 by
+[Advanced Circuits](http://4pcb.com)
+
+## sn 5981-6480 ##
+
+Production build of 500 pieces of EasyMini v2.0a by
+[Advanced Circuits](http://4pcb.com)
+
+
+## sn 6481-6580 ##
+
+Production build of 100 pieces of TeleMini v3.0a by
+[Seeed Studios](https://www.seeedstudio.com/), received 2020.01.21.
+
+## sn 6581-6830 ##
+
+Production build of 250 pieces of TeleMega v4.0 by
+[Advanced Circuits](http://4pcb.com), received 2020.02.12
+
+## sn 6831-6833 ##
+
+Prototype build of 3 pieces of EasyTimer v1 by Bdale on 2020.04.06
+
+## sn 6834-7083 ##
+
+Production build of 250 pieces of EasyTimer v1 by
+[Advanced Circuits](http://4pcb.com), received 2020.05.28
+
+## sn 7084-7089 ##
+
+Prototype build of 6 pieces of EasyMotor v2 by Bdale on 2020.07.25
+
+## sn 7090-7339 ##
+
+Production build of 250 pieces of TeleBT v4.0b by
+[Advanced Circuits](http://4pcb.com), received 2020.08.17
+
+## sn 7340-7342 ##
+
+Prototype build of 3 pieces of TeleGPS v2.0b by Bdale on 2020.08.17
+
+## sn 7343-7442 ##
+
+Production build of 100 pieces of EasyMotor v2 by
+[Seeed Studio](https://seeedstudio.com), received 2021.01.??
+
+## sn 7443-7622 ##
+
+Production build of 180 pieces of TeleGPS v2.0c by
+[Advanced Circuits](http://4pcb.com), received 2021.03.24
+
+## sn 7623 - 8122 ##
+
+Production build of 500 pieces of EasyMini v1.1 by
+[Seeed Studio](https://seeedstudio.com), received 2021.04.30
+
+## sn 8123 - 8374 ##
+
+Production build of 252 pieces of TeleMega v5.0 by
+[Advanced Circuits](http://4pcb.com), received 2021.09.05
+
+## sn 8375 - 8854 ##
+
+Production build of 480 pieces of EasyMini v1.1 by
+[Seeed Studio](https://seeedstudio.com), received 2021.11.07
+
+## sn 8855 - 8859 ##
+
+Prototype build of 5 pieces of EasyMotor v3 by Bdale on 2022.04.03
+
projects / web / altusmetrum / blobdiff