Catherine NicoloffDec 26, 20214 min readT-Minus Three Days: Adding a Real Time ClockAs 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...
Catherine NicoloffDec 24, 20213 min read(Almost) Final SchematicsRather 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...
Catherine NicoloffJul 28, 20212 min readSimulating the High Voltage CircuitFor a simple, easy simulation of the bistable 555 oscillator, I turned to http://www.falstad.com/circuit/circuitjs.html Note that I have...
Catherine NicoloffJul 28, 20212 min readWhat is the Regener-Pfotzer Maximum?STAR is a Geiger counter that will measure the variation in atmospheric beta and gamma radiation with altitude. Far above the Earth’s...
Catherine NicoloffJul 25, 20212 min readHow it Works: Detecting RadiationThis portion of the circuit sends signals back to a Raspberry Pi every time beta or gamma radiation passes through the Geiger tube. The...
Catherine NicoloffJul 25, 20212 min readHow It Works: Converting 3 V to 400 VBreadboards and circuit schematics are fine and good, but what is this circuit actually doing? STAR’s initial design borrowed heavily...
