39 - Multifunction Digital VFO - Part 1: Hardware

Nick M0NTV builds an Arduino-based, Si5351-powered multifunction digital VFO. This video (Part 1) tackles the hardware: the next video will examine the software.

HARDWARE USED
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1) DIYmalls 1.8" TFT LCD Display Screen Module 4-Wire SPI Interface ST7735S 128x160 w/SD Card Slot for Arduino UNO Mega2560:
https://www.amazon.co.uk/DIYmalls-Dis...

2) KY-040 Rotary Encoder. Like these:
https://www.amazon.co.uk/KY-040-Encod...

3) Si5351 Module on Breakout Board. Like these:
https://www.amazon.co.uk/AITRIP-Si535...

4) Arduino Nano. Like these:
https://www.amazon.co.uk/Arduino-ATme...

I've listed these items from one global supplier - clearly other sources are available! I hope this gives you an idea about what I've actually used myself in the construction.


DOWNLOADABLE RESOURCES
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The Wiring Diagram is here:
https://drive.google.com/file/d/1Lv-Q...

The Board Layout is here:
https://drive.google.com/file/d/1zDCo...


OTHER VIDEOS THAT MIGHT BE HELPFUL
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The theory of how the VFO will work in the whole radio is here:
   • 36 - Designing the Next Rig  

A simpler digital VFO (with full details on calibrating the Si5351) is here:
   • 26 - Designing A Digital Oscillator  

Thanks for watching and I hope this is helpful :)