The crystal radio is a time-honored build ... value inductors in series and soldering taps into the correct places, but at best the SMD coil was only an approximation of the original air-core ...
He found an assembled Philmore “selective” radio kit. The simple kit had a coil, a germanium diode, and a crystal earphone. We were sad when [Michael] accidentally burned a part of the radio ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback