Variable Tuning Capacitor

Variable Tuning Capacitor

With many variable capacitors becoming hard to get I wanted to see if it was possible to build a homemade version suitable for a medium wave radio. Looking on the web there are a few examples. Unfortunately these tend to be mechanically challenging, needing workshop...
Build a simple Arduino Oscilloscope

Build a simple Arduino Oscilloscope

We’d seen many Arduino projects made using displays to increase the functionality of whatever it is you’re making. We wanted to do the same so opted for a no-frills Oscilloscope! Read on for everything you need to know about this simplified Arduino Nano Oscilloscope. ...