Spare OKAY PCBs
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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|