1 [[!meta title="EasyTimer"]]
4 This board provides two programmable timer-based pyro channels with tilt
5 limits. It is the same size and shape with the same connector layout as
6 our [EasyMini](../EasyMini) flight computer.
8 The IMU used is the same as on TeleMega and EasyMega, allowing acceleration
9 based launch detection, and gyro-based tilt limiting. This means it's
10 possible to configure a pyro event for some amount of time after launch,
11 or after motor burnout, etc, with the possibility of locking out each event
12 if the rocket is tilted too far away from vertical.
14 For projects that require staging or air starts, EasyTimer is a low-cost
15 alternative to use of our more expensive products, while retaining the safety
16 aspects of tilt-limiting.
18 EasyTimer firmware and associated configuration software is part of the
19 [AltOS](../AltOS) suite.
21 Photos of the first production unit:
23 <a href="v1/easytimer_v1_top.jpg"> <img src="v1/easytimer_v1_top-thumb.jpg"></a>
24 <a href="v1/easytimer_v1_smt.jpg"> <img src="v1/easytimer_v1_smt-thumb.jpg"></a>
26 EasyTimer v1 is available for sale now at
27 [Bdale's web store](http://shop.gag.com/flight-computers/easytimer.html)
28 and from Altus Metrum distributors.
34 * Two programmable flight state event and timer-based pyro channels with
36 * USB for configuration
37 * Designed for use with batteries from 3.7 to 12 volts
38 * 1.5 x 0.8 inch board
42 This board was designed using lepton-eda and pcb-rnd.
44 The hardware design files are available from
45 [git.gag.com](http://git.gag.com) in the project
46 [hw/easytimer](http://git.gag.com/?p=hw/easytimer;a=summary).