HT GPS+Voice: Battery Contacts

For this version of the contacts (the old version is there) that make the GPS interface look like a standard Wouxun lithium battery, I left a bit more of the slot on the brass screw heads and increased the recess depth to compensate:

HT-GPS Case - Battery contacts — HT-GPS Case – Battery contacts

The nuts all have fancy nickel plating, with washers & ring lugs silver-soldered in place:

HT-GPS PCB - battery contact parts — HT-GPS PCB – battery contact parts

The trial fit looks OK:

HT-GPS Case - PCB and battery contacts - end view — HT-GPS Case – PCB and battery contacts – end view

I even found the cutest little flat 1/4 inch wrench that fits 4-40 nuts, so I can do a better job of crunching the PCB between the nuts. That excess screw length has got to go, too…

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3 responses to “HT GPS+Voice: Battery Contacts”

2012-08-20

Wouxun HT GPS+Voice Interface: Circuitry! « The Smell of Molten Projects in the Morning

[…] yellow wires on the far right are temporary power connections; battery power enters through the contact studs in those large holes that press against the radio’s battery terminals. The cable in the lower […]
2012-08-28

Wouxun KG-UV3D Battery Contact Locations « The Smell of Molten Projects in the Morning

[…] contacts hit the pack so far off-center from the studs that they very nearly miss the heads on the 4-40 brass screws I’m using as contacts. This family portrait shows the radio, the battery pack, and the GPS+voice case: Wouxun KG-UV3D […]
2012-11-21

APRS Electronics Case: Battery Contacts, Again « The Smell of Molten Projects in the Morning

[…] the contacts passing power to the Wouxun HT worked well, they were obviously (in retrospect, as always) in the wrong place. Recently I rode the […]