By: Brad Burt - RedHouse
The following pictures will help you identify which board you have. If you don't have an earlier v1/v2 board skip this page. You can identify your board from the pic's below, you will need to know for proper trimmer pin-out orientation and post build setup information later. The original PCB version had no revision number, the v2 board has a 2 directly above R4-F, and v3 a 3 right above R4-F (see below). Note that All board versions vibe/work properly, if you have a v1 or v2 board there is no need to get a v3 board.
 |
 |  |
The revisions have been made in an effort to resolve different trimpot pinout problems. Bourns 3386 trimmers were intended to be used, east asian Bourns-look-alike trimmers often have different pinouts so be aware of the actual pin-outs on the trimmers you decide to use.
Go here to learn more about the trimmer issue