Now that I have an oscilloscope, I’ve been able to learn a lot more about the circuit I’ve been designing for the MC-2100, as well as the MC-2100 itself. However, a lot of people don’t have access to a scope (even one as old and crappy as mine :)). I’ve had an idea for a method of analyzing a PWM signal without a scope for a while now. Last night, I got some time to test my idea and it worked fairly well, so I figured I’d share it here.
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Easy and Effective Way to Measure PWM… Without a Scope! | Hackaday, schoolie, Brian, and 1 other are discussing. Toggle Comments
With the goal of expanding our electronics tinkering/troubleshooting capabilities, I’ve had my eye out for a cheap oscilloscope on craigslist or eBay. The search paid off a couple months ago when I picked up two old analog Hitachi oscilloscopes, along with a square wave generator and a couple other vintage items.
The scopes in question are the Hitachi V-152F and V-134, seen below. I haven’t been able to locate any date of manufacture for these things, but they’re completely analog. The 134 even has an analog storage function, which is pretty cool.