Modernized 1939 Marconi Radio

This is my second post-retirement project: a modern version  of a 1939 Canadian Marconi AM radio. It is a genuine vintage radio on the outside, but completely changed on the inside to replace the original tube circuitry with modern electronics and audio. Instead of AM, it now can play:

• FM radio
• Bluetooth audio
• Apple AirPlay
• Web radio streams (any kind of streaming audio)
• Stored audio (MP3 files uploaded to the unit)

Internally, it runs off a Raspberry Pi computer and an Arduino Pro Mini microcontroller. It connects to WiFi and has an internal web server so it can be controlled from any browser on the local network.

The modernized Marconi

The original

The whole thing, including antenna

Extreme closeup!

The guts

More guts. Power supply on the left, Raspberry Pi center, amps on the right. Servos on top, Arduino below them.

The web interface (FM mode)

Bluetooth mode

Web radio mode

Storage mode

Settings mode: move songs up/down, delete, upload new ones.

[Pro photos courtesy of Rick Lazzara]
[Original vintage radio courtesy of Glenn Campbell]