Single Digit Voltmeter with LM311
2021-07-09
I wanted to design a logic probe as a tutorial, but there were many good ones in the web so i have tried to design a single digit voltmeter. ThisRead More
Continuity Tester
2017-07-20
Question – i want a continuity tester circuit or get one. mail by RB Here are some pages that might help Simple Component and Continuity Tester – This simple project may beRead More
Hobby Diy Oscilloscope
2016-06-24
Is it good as a (beginner) hobbyist to crave for an oscilloscope. mail from EA This scope will work from your PC Audio Card or Sound Card. You First need toRead More
ICL7129 AD Converter needs Triplexed LCD
2016-04-14
I’m using the ICL7129ACPL to construct a simple 4-1/2 digit DVM. I looked over the application notes on FE LCDs on a similar post and noticed that it listed theRead More
PC Sound Card Oscilloscope
2015-10-22
Dear DAPJ: I would like to buy a Microphone and either #1. an oscilloscope or #2. sound oscilloscope software. For hobby purposes, I would like to sample different sounds &Read More