Original code is from HAZI TECH. I modified the code, add bar mode and peak hold. I build this using spare Arduino Nano and MAX7219 matrix display which I have been using in my previous DIY. So I just ...

Load Arduino Uno R3 with sketch in HP8596E_Print_Arduino. The pinout and wiring of Arduino to D-SUB connector is described at the top of the sketch. Beware: If you decide to change the mapping of the ...

Every machine has its own way of communicating with its operator. Some send status emails, some illuminate, but most of them vibrate and make noise. If it hums happily, that’s usually a good sign, but ...

These days, streaming services are a great way to listen to music or podcasts on your computer or on the go. However, they lack one feature of the MP3 players and streamers of old: visualizations!

Using the Arduino ADC and DAC features to realize a full-fledged multichannel anayzer with only a few common components allowed to operate a used NaI scintillation counter (from Ebay) and compare the ...

Tektronix, Inc. has introduced a new class of affordable spectrum analyzers based on a USB architecture with a list price of just $3,490. Tektronix, Inc. has introduced a class of affordable spectrum ...