v2: 30mm borehole distance, 2.54mm pitch header pin connector
https://oshpark.com/shared_projects/DSH0FhMU
![Image](https://644db4de3505c40a0444-327723bce298e3ff5813fb42baeefbaa.ssl.cf1.rackcdn.com/121e77209ab1f1989fba05a11c2aea63.png)
ver B: 34,4mm borehole distance, 2.54mm pitch header pin connector
https://oshpark.com/shared_projects/QlLrcnAk
ver C: 34,4mm borehole distance, 1.25mm pitch connector
https://oshpark.com/shared_projects/z9ofDZsD
2,54mm é o padrão das "barras de pino PCI".
Curioso é que usar apenas dois resistores (além dos dois capacitores).