From: Bdale Garbee <bdale@gag.com>
Date: Sat, 18 Jan 2020 05:05:58 +0000 (-0700)
Subject: initial page for EasyTimer
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=ba587e2fa83e549e7388aafce46bfbcc83798941;p=web%2Faltusmetrum

initial page for EasyTimer
---

diff --git a/EasyTimer/index.mdwn b/EasyTimer/index.mdwn
new file mode 100644
index 0000000..c50b589
--- /dev/null
+++ b/EasyTimer/index.mdwn
@@ -0,0 +1,39 @@
+[[!meta title="EasyTimer"]]
+# EasyTimer
+
+This board provides two programmable timer-based pyro channels with tilt
+limits.  
+
+The IMU used is the same as on TeleMega and EasyMega, allowing acceleration 
+based launch detection, and gyro-based tilt limiting.  This means it's 
+possible to configure a pyro event for some amount of time after launch,
+or after motor burnout, etc, with the possibility of locking out each event
+if the rocket is tilted too far away from vertical.
+
+For projects that require staging or air starts, EasyTimer is a low-cost 
+alternative to use of our more expensive products, while retaining the safety 
+aspects of tilt-limiting.
+
+There is no EasyTimer firmware yet, but it will be part of the 
+[AltOS](../AltOS) suite eventually.
+
+Prototypes of v1 are underway.  This design is not yet for sale.
+
+## Features ##
+
+### User View ###
+
+* Two programmable flight state event and timer-based pyro channels with 
+  tilt limits
+* USB for configuration
+* Designed for use with batteries from 3.7 to 12 volts
+* 1.65 x 1 inch board
+
+## Artifacts ##
+
+This board was designed using lepton-eda and pcb-rnd.
+
+The hardware design files are available from 
+[git.gag.com](http://git.gag.com) in the project 
+[hw/easytimer](http://git.gag.com/?p=hw/easytimer;a=summary).  
+
diff --git a/index.mdwn b/index.mdwn
index 2002fb6..14e60b4 100644
--- a/index.mdwn
+++ b/index.mdwn
@@ -128,6 +128,9 @@ is the name of our Android app based on AltOS.
 * [EasyMotor](EasyMotor/) 
 is an in-flight data logger for research motor characterization.
 
+* [EasyTimer](EasyTimer/) 
+is a timer-based 2-channel pyro controller with tilt limits
+
 * [OpenAlt](OpenAlt/)
 was Bdale's original project here, a dual-deploy rocketry altimeter.  One 
 prototype was built, but never flown.