Converted FCB1010 Drum machine for Practice with Friends - Teensy Modification

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Expensive Notes

Well-known member
I play guitar with some friends, none of who are drummers. We also have to play quietly to keep the neighbours happy. So I have made a drum machine using the FCB1010 and by replacing the internal Microcontroller with a Teensy and audio board. This video shows how it works. Great for practicing the multitude of tracks we play.

Features:
Different Styles of Beat and BPM.
Optional Song Count in.
Expression Pedal for changing complexity of beat
Expression Pedal for adding humanity (Probability of certain extra beats)




Code:
https://github.com/ExpensiveNotes/TEE1010-Drummer
 
Very cool ... is there any particular reason you decided to completely re-wire the pedal, rather than just send its MIDI output to the Teensy for processing?

Minor correction to your hardware video #3, at 3:59 and 4:11. A surface mount resistor is typically marked with two digits and a power-of-ten multiplier, so the 221 marking means a 22x101 = 220R resistance; 103 would be 10k, and so on.
 
I had already converted it to a synth during Covid lockdown for something to do. I wasn't using it, so it became a drum machine for practice with friends.
Thanks for the info on the surface mount resistors.
 
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