Archive for date: August 14, 2011

ARISSAT-1’s battery appears to be failing quicker than expected…

August 14, 2011 | Amateur Radio, Amateur Satellite | By: Mark VandeWettering

I didn’t get a chance to record any more ARISSAT-1 data this weekend, but I did catch up on some reading. Apparently, it’s batteries are giving out quicker than expected: the voltage is dropping low enough to cause a reset when the satellite goes into eclipse each orbit. If you were thinking of grabbing some […]

Arduino PWM Laser Transmitter

August 14, 2011 | Amateur Radio, electronics, My Projects | By: Mark VandeWettering

A couple of weeks ago, I programmed an Arduino to take digitized sound stored in its rom, and send it out via PWM of an LED. A couple days after that, I used the same code to send voice using a small 5mw laser module. Ever since then, I thought it would be good to […]