As mentioned in my previous post, with only three days left until launch, I made one last major change to STAR: I added a Real Time Clock...

Rather than continue to trickle this information out slowly, as I have been doing, I'm going to skip to the good stuff and hand over the...

For a simple, easy simulation of the bistable 555 oscillator, I turned to http://www.falstad.com/circuit/circuitjs.html Note that I have...

STAR is a Geiger counter that will measure the variation in atmospheric beta and gamma radiation with altitude. Far above the Earth’s...

This portion of the circuit sends signals back to a Raspberry Pi every time beta or gamma radiation passes through the Geiger tube. The...

Breadboards and circuit schematics are fine and good, but what is this circuit actually doing? STAR’s initial design borrowed heavily...