Master Clockbox – YMNK build extended

I needed this gadget for a long time. An external clock with all the bells and whistles. It has multiple analog clock standards as well as midi, an OLED screen showing the BPM and a start/stop switch (which should be a button, I fucked that one up)

Be aware that the potentiometer readings are not stabilized, I didn’t touch the clock generator code. For someone with a bit of coding skills this can be resolved for sure. It doesn’t bother me really so I’ll leave it like this.

Pretty in pink, works with a 9 volt plug

Link to the code: Here

The schematic is simply missing the oled screen
Here is the wiring for the oled screen (I2C ssd1306)

The original project is from YMNK

The oled screen extension was realised with help from my friend Marek Mach -> check out his code. He added a neat metronome animation as well.

Tiny demonstration with keystep and analog sequencer in sync