MightyOhm.com

Hi, I was just closing up old browser items and realized I still had this thread open and had never replied. Once the new transistor came in, I was able to swap it out and have the entire kit up and running again in no time. It works great! If you are interested, the kit was part of a recent episode...

So it is Q3 that's the problem. I tested it before and after touching up my previous late-night solder job and it's still reading close to 3V. Somewhere in my lab space I have a Mintronics Survival Kit which should have two replacements. But alas my workshop organization is… chaotic at best. Since I...

chadlawson - did you get your kit working? Hi! Thanks for the follow-up. I haven't had a chance through today. I was preparing for a big event this morning. Later today I hope to get back to it. I really appreciate you looking at my pictures and providing such clear ways to troubleshoot. I'll let y...

I'm going to feel pretty stupid when you find the problem in an instant. But at least I'll have an answer.

I'm pretty confident on the solder joints (to the best of my ability to test) as well as the orientation of the 555, though I could be wrong.

As requested, the top and bottom are attached.

Hi Mightyohm! I'm hoping you can help me as well. I received and assembled my kit via Adafruit last week, but haven't been able to get it to work. I started my own troubleshooting, but got stuck. Luckily I found this post with anticipated voltages. Using my Exetech EX330 I came up with the following...