Recent content by Magialisk

1.) Thomas Creek Up The Creek Extreme IPA 2.) Weihenstephaner Korbinian Dopplebock 3.) Can't decide, I'll have to try again later Regarding Thomas Creek, I've never heard anyone mention this beer, this brewery, or even the state of SC when talking about favorite beers. They were a total...

J187, I think what you're looking for is something like the diagram I posted back on page 4: https://www.homebrewtalk.com/f51/simple-pwm-stirplate-controller-219121/index4.html#post4393542. Granted that diagram was for a dual circuit design based on a 556 timer, but it shows every single...

Well I wanted to come back here and close the book once and for all on the issue I was having. In case someone stumbles into this thread a few months from now and wants to try their hand at a 556 design instead of Rocketman's 555 they might as well have all the facts. The long and short of...

Here's mine. I finally finished it off this morning. The circuit is a simple modification of Rocketman's PWM design: https://www.homebrewtalk.com/f51/simple-pwm-stirplate-controller-219121/. I subbed in a 556 dual timer instead of his 555 and basically built two copies into one box. The...

I apologize for the double post but I just figured out my problem and it was something so amazingly stupid I'm sure you'll all get a good laugh. If you look at my breadboard diagram above you'll see I installed my two MOSFETs back-to-back, and I thought I had a clever reason for doing this...

Thank you both for all of the help you've provided so far. In a few experiments this evening I've learned a few things, but unfortunately not resolved the problem yet. I first tried the simplest suggestion of installing two capacitors from VCC to ground (no 7805 in the circuit yet), a 0.1uF...

Thank you for the response! It's funny you mention that because while I don't have an O-scope I did notice exactly what you describe earlier when I was ringing out the circuit with a voltmeter to debug a different issue. I saw huge swings in my VCC voltage and wasn't sure what to make of it...

I realize this thread is a few months old but here's to hoping someone is around to listen. First let me say thank you Rocketman for sharing such a simple to implement design! I built upon this design to make a dual-stirplate using identical components to yours with the exception of a 556 dual...