From 034dfc4f9bef049b1fb5704873dd76f6a3a9949d Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sat, 15 Dec 2012 15:07:07 -0800 Subject: [PATCH] doc: Add warning about matching battery voltage. Signed-off-by: Keith Packard --- doc/altusmetrum.xsl | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl index aa218c5c..e7ab353b 100644 --- a/doc/altusmetrum.xsl +++ b/doc/altusmetrum.xsl @@ -279,14 +279,16 @@ NAR #88757, TRA #12200 The battery connectors are a standard 2-pin JST connector and - match batteries sold by Spark Fun. Other vendors sell similar - batteries for RC aircraft using mating connectors, however the - polarity for those is generally reversed from the batteries used - by Altus Metrum products. In particular, the Tenergy batteries - supplied for use in Featherweight flight computers are not - compatible with Altus Metrum flight computers or battery - chargers. Check polarity before connecting any battery - not purchased from Altus Metrum or Spark Fun. + match batteries sold by Spark Fun. These batteries are + single-cell Lithium Polymer batteries that nominally provide 3.7 + volts. Other vendors sell similar batteries for RC aircraft + using mating connectors, however the polarity for those is + generally reversed from the batteries used by Altus Metrum + products. In particular, the Tenergy batteries supplied for use + in Featherweight flight computers are not compatible with Altus + Metrum flight computers or battery chargers. Check + polarity and voltage before connecting any battery not purchased + from Altus Metrum or Spark Fun. By default, we use the unregulated output of the Li-Po battery directly @@ -492,7 +494,7 @@ NAR #88757, TRA #12200 You can monitor the operation of the radio link by watching the lights on the devices. The red LED will flash each time a packet - is tramsitted, while the green LED will light up on TeleDongle when + is transmitted, while the green LED will light up on TeleDongle when it is waiting to receive a packet from the altimeter. -- 2.30.2