Spare OKAY PCBs
$1.00 - $7.00
These are unpopulated, unassembled Printed Circuit Boards for the OKAY / OKAY 2. For schematic and assembly information, see the guide page.
|bus 0.1.1||Switches and distributes power from the 9v battery to the other boards and LED|
|555_4040 0.1.1||Oscillator and frequency divider, provides 12 octave output|
|SPST_VR 0.2.2 15||Trimming potentiometers and pushbuttons set the 555's frequency|
|SPST_VR 0.2.2 14||An additional set of SPST_VR board for the OKAY 2's extra keys|
|386 0.1.1||Standard headphone amplifier circuit|