J+ O__
|
P1 %__|[]|_
| Pz1 |
J- O__+_______|
+-----------------------------------+-----------------+
|Papa Vince |ESiA-PLND:REV |
+-----------------------------------+-----------------+
|Cigar Box Guitar piezoelectric pulse detector |
+-----------------------------------------------------+
| J+ - Jack plug signal pin |
| J- - Jack plug ground pin |
| P1 - preferably 1kOhm(not a requirement) |
| Pz1 - piezoelectric element |
+-----------------------------------------------------+