From: Bdale Garbee <bdale@gag.com>
Date: Wed, 1 May 2024 00:11:09 +0000 (-0600)
Subject: update for v2
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=326eec7240ed5d7d68ba056918b5e859463ed408;p=web%2Faltusmetrum

update for v2
---

diff --git a/EasyTimer/index.mdwn b/EasyTimer/index.mdwn
index 94dcf10..c0d47d1 100644
--- a/EasyTimer/index.mdwn
+++ b/EasyTimer/index.mdwn
@@ -18,12 +18,13 @@ aspects of tilt-limiting.
 EasyTimer firmware and associated configuration software is part of the 
 [AltOS](../AltOS) suite.
 
-Photos of the first production unit:
+Photos of the first production unit (the current version 2 looks nearly 
+identical!):
 
 <a href="v1/easytimer_v1_top.jpg"> <img src="v1/easytimer_v1_top-thumb.jpg"></a>
 <a href="v1/easytimer_v1_smt.jpg"> <img src="v1/easytimer_v1_smt-thumb.jpg"></a>
 
-EasyTimer v1 is available for sale now at 
+EasyTimer v2 is available for sale now at 
 [Bdale's web store](http://shop.gag.com/flight-computers/easytimer.html) 
 and from Altus Metrum distributors.
 
@@ -50,7 +51,21 @@ The hardware design files are available from
 [hw/easytimer](http://git.gag.com/?p=hw/easytimer;a=summary).  
 
 For those who don't have ready access to the gEDA suite, here are pdf snapshots
-of the files for production PCB version 1 in more easily readable form:
+of the files for current production PCB version 2 in more easily readable form:
+
+* [schematic](v2/easytimer-sch.pdf)
+* [pcb artwork](v2/easytimer-pcb.pdf)
+* [bill of materials](v2/partslist.csv)
+
+## Previous Versions ##
+
+All versions of EasyTimer have the same user-visible features and 
+specifications, except that v1 did not contain on-board flash data storage
+making post-flight analysis .. "challenging".  Other than that, the 
+differences are primarily in the choice of processor and sensors, which 
+is driven by availability.
+
+Here are the schematics, artwork, and bill of materials for version 1:
 
 * [schematic](v1/easytimer-sch.pdf)
 * [pcb artwork](v1/easytimer-pcb.pdf)