Programmable Camera Timer

The NearSys Camera Timer is a programmable intervalometer that keeps track of the number of images it signaled the camera to take. Directions for making a camera timer were published in Nuts and Volts, January 2008. Here's an updated version of the camera code.
Directions for making a PICAXE programming cable
Making and using BalloonSats - click the Poorman's Space Program for the current and past articles

To program the Camera Timer's PICAXE-08M, you'll need to download the PICAXE Programmer. It's free at this link