Circuit Playground Express takes on the ARP Odyssey

[kevinjwalters]

The Circuit Playground Express goes duophonic implementing a tiny number of the features of the ARP Odyssey with the help of a little bit of external electronics:

• Adafruit Circuit Playground Express PSG Chip Emulation Demo I - The Blue Danube

This one doesn't use the CPX speaker, the audio output from the external mixer circuit is being amplified. It's also shown on a Telequipment S51B oscilloscope (the one with the broken trigger function).

[adafruit_support_bill]

Nice work! Thanks for posting. :)

[kevinjwalters]

I've realised the youngsters may not understand the origins of this arrangement and the challenges of the rendition on the 1 bit sound of the ZX Spectrum. Some background:

• Manic Miner Title Music (ZX Spectrum 48K) (YouTube) - brace yourself for the 2-note chords
• Wikipedia: Manic Miner
• Kenneth B. McAlpine: All aboard the impulse train: an analysis of the two-channel title music routine in Manic Miner - a scholarly analysis of the music in Manic Miner