Broken calibration screw on mini-voltmeter

Hi,

I bought a DROK mini-voltmeter on Amazon two months ago. Yesterday, while calibrating it I broke the adjustment screw in the back, and now the voltmeter displays only 0.0 volt. I am not an expert in electronic, but I was wondering if I could just solder the connections where the screw was in the back and get rid of the calibration screw. please confirm if soldering connections could make the voltage reading possible again.

by Kotenukimen
May 23, 2018

I have a picture of what I mean can I post it here?

by Kotenukimen
May 23, 2018

You could try asking drok at http://www.cs.droking.com/2015/06/17/the-smallest-dc-voltmeter-only-0-28-led-display-and-measure-voltage-0-100v-with-mounting-ear/

by mikerogerswsm
May 23, 2018

I asked Drok, thanks.

by Kotenukimen
May 24, 2018

Then try shorting all three pins together. Worth a try. Depends on the exact internal circuit. Use a very small soldering iron for minimal time.

by mikerogerswsm
May 24, 2018

No Answers

No answers yet. Contribute your answer below!


Your Answer

You must log in or create an account (free!) to answer a question.

Log in Create an account


Go Ad-Free. Activate your CircuitLab membership. No more ads. Save unlimited circuits. Run unlimited simulations.

Search Questions & Answers


Ask a Question

Anyone can ask a question.

Did you already search (see above) to see if a similar question has already been answered? If you can't find the answer, you may ask a question.


About This Site

CircuitLab's Q&A site is a FREE questions and answers forum for electronics and electrical engineering students, hobbyists, and professionals.

We encourage you to use our built-in schematic & simulation software to add more detail to your questions and answers.

Acceptable Questions:

  • Concept or theory questions
  • Practical engineering questions
  • “Homework” questions
  • Software/hardware intersection
  • Best practices
  • Design choices & component selection
  • Troubleshooting

Unacceptable Questions:

  • Non-English language content
  • Non-question discussion
  • Non-electronics questions
  • Vendor-specific topics
  • Pure software questions
  • CircuitLab software support

Please respect that there are both seasoned experts and total newbies here: please be nice, be constructive, and be specific!

About CircuitLab

CircuitLab is an in-browser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.