Schematic
BOMs
PASSIVE
R2
2K2 (CLR)
R3
2K2 (CLR)
D1-3
LEDs
BUFFERED
R1
100K
R2
2K2 (CLR)
R3
2K2 (CLR)
R4
100K
R5
1M
R6
100K
R7
560R
C1
47u elec
C2
100n
C3
1u elec
IC1
TL072
D1-3
LEDs
If you want to keep
things really neat you
can use a bi-colour
LED for the A-B
indicator. Use a
common cathode
device and insert it into
these three holes:
The shaded area is the buffer - ignore this if going for a passive build.
PedalParts.co.uk