Category: Main

pc-oscilloscope-diy

Hobby Diy Oscilloscope

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 to build the circuit below...

icl7129-in-beckman-dmm

Millivolt Circuit ICL7129 MAX7129

My application is to calibrate some instruments with help of this source. I’ve studied your circuit earlier also., but I want a battery operated mV source. upto 100mV full scale which is portable but...