If you buy expensive computer speakers, they often have a volume knob you can mount somewhere on your desk so you aren’t dependent on the onboard volume control. [Kris S] decided to build his… ...

Connected to the DFPlayer Mini is an audio amplifier board module with two external 8-ohm 4-watt speakers and a built-in volume knob. To control the playback, there are four push buttons connected ...

US companies normally ignore laws until the penalty is severe. The penalty is not severe yet and many US companies are ignoring this law. Today 2014, February, I hear loud ad by GEICO on Colbert ...