Help add BPM blinking led to code.

Using Arduino Programming Questions
1

Need add one blinking led to working code.
Please help me.

DrumMachine2.ino (108 KB)

2

Could we please have a clue as to how and when the LED should blink

What have you tried ?

3

UKHeliBob:
Could we please have a clue as to how and when the LED should blink

What have you tried ?

Need standart tempo blinking, like metronome. Tempo ruled by potentiometer on A4 input.

4

What have you tried ?

5

UKHeliBob:
What have you tried ?

It`s a drum machine and blinking led need to indicate BPM tempo, also impulse from led start 555 timer to send short waveform to volca keys sync in. Very simple and working synchronization method for volca series.

6

UKHeliBob:
What have you tried ?

Mikilanjello:
It`s a drum machine and blinking led need to indicate BPM tempo,

UKHB's question is actually "what have you tried to get the bpm blink yourself?"

7

JimboZA:
UKHB's question is actually "what have you tried to get the bpm blink yourself?"

Because i am not coder. I build this machine by instructions, and very like her sound.