Circuit Bent Chad Valley Keyboard With 'Pyramidi' Controller

Circuit Bent Chad Valley Keyboard With Pyramidi Controller.

Keyboard bends and mods:-

Jack socket output.
Trigger input socket to trigger playback.
Trigger input socket to control vibrato.
Pitch down with on/off switch and rotary control.
Voltage starve control.
Bass drone switch.
Bass Boost switch.
6 super bright blue LED's.

Pyramidi module:-

555 timer chip based circuit.
On/off switch
Speed control.
Out put trigger socket.
Contains 8 LED's.
Runs off a 9v battery.

Unfortunately the camera ran out of memory right at the end just before I went into my noise fest finale!

Category:

Music

Tags:

• Circuit
• Bent
• Chad
• Valley
• Keyboard
• DIY
• electronics
• experimental
• music.

[cheaniss]

I have a CASIO SA-5...... how can I drop or bend the pitch lower to give me a deeper bass sound....Thanks

[PHANTOMPOWERS]

@cheaniss To drop the pitch on an SA-5 you need to swap the pitch crystal with a variable oscillator. On the chad valley keyboard it is a lot easier.

[eecouk]

Excellent vid!