This time, [Afroman] explains how frequency modulation works while building up a short-range FM transmitter on a ... on a MAX2606 voltage-controlled oscillator (VCO) chip that can do 70-150MHz.

[GreatScott] does exactly this in the video after the break, building both a transmitter and receiver. At the most basic level, AM radio works by generating a carrier wave with an oscillator ...