From 788860dc4a540078b479fa03d8b624b48a1d3633 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Thu, 14 Nov 2019 22:27:30 -0700 Subject: [PATCH] add EasyMini to the separate pyro battery doc --- Documents/SeparatePyroBattery/index.mdwn | 36 +++++++++++++----------- 1 file changed, 20 insertions(+), 16 deletions(-) diff --git a/Documents/SeparatePyroBattery/index.mdwn b/Documents/SeparatePyroBattery/index.mdwn index c24fa90..e0204c5 100644 --- a/Documents/SeparatePyroBattery/index.mdwn +++ b/Documents/SeparatePyroBattery/index.mdwn @@ -34,15 +34,19 @@ connections off-board. Whether you choose to do this with a screw terminal strip, crimp connectors, or by soldering wires together is of course entirely up to you! -## TeleMetrum ## +## TeleMetrum, TeleMini, and EasyMini ## -Early [TeleMetrum](http://altusmetrum.org/TeleMetrum) boards had an +Very early [TeleMetrum](http://altusmetrum.org/TeleMetrum) boards had an unpopulated connector footprint on the board for a separate pyro battery, but due to a wiring error in the design of the board, that connector was never useful. Just ignore it. -If you look at the bottom of the board where all the surface-mounted components -are, on the end where the pyro screw terminals are located, you can see a +Each of these products can be used with a separate pyro battery, but unlike +TeleMega and EasyMega, there are no extra screw terminals to make it easy. + +On TeleMetrum, if you look at the bottom of the board where all the +surface-mounted components are, on the end where the pyro screw terminals +are located, you can see a fat trace connecting three of the screw terminals together. This is the source of pyro power, which comes from the LiPo battery through the power switch and then to one side of each pyro channel. The pins that trace @@ -54,24 +58,24 @@ to connect where: -## TeleMini ## - -Wiring a [TeleMini](http://altusmetrum.org/TeleMini) board for use with a -separate pyro battery works the same way. - -If you look at the bottom of the board where all the surface-mounted components -are, on the end where the pyro screw terminals are located, you can see a fat -trace connecting two of the screws. This is the -source of pyro power, which comes from the LiPo battery through the power -switch and then to one side of each pyro channel. The pins that trace -connects are therefore the ones you want to ignore. The others are the -switches to ground. +[TeleMini](http://altusmetrum.org/TeleMini) +and +[EasyMini](http://altusmetrum.org/EasyMini) +work the same way electrically, but the screw terminal physical +arrangements are different. The two pyro channels have a pin each that +are connected together and to the pyro voltage. Ignore those, the other +two screws are the switches to ground. Here's a photo of the pyro end of a TeleMini board augmented to show what to connect where: +And here's a photo of an EasyMini board augmented to show what +to connect where: + + + ## TeleMega and EasyMega ## Because [TeleMega](http://altusmetrum.org/TeleMega) and -- 2.39.5