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fx12318/02/2017
PB is good quality and there is no major problem mouting it
Some gotchas :
* The square output is not modulated by the amplitude pot, it will always be maximum. I searched a long time for that.
* The bolts are BELOW the pcb, that's why the internal screws look too short. They are just there for alignment, The PCB is hold back by the pots being sandwitched by the case (see pics, i used nylon screws but they are ~ same size as the provided ones)
* you can add a led + ~ 1k resistor a tthe top of R3/R5 (R3 is VCC, R5 is GND)
* The pots are not all the same, one is 100k, the 2 others are 50k
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