The purpose of the box is to be able to charge/power small audio recorders such as the M-Audio MicroTrack II used for transcription in ENG bags using NP-type batteries and all HIROSE 4-pin compatible connectors. We envision being used with ENG Power distribution systems such as the Remote Audio BDS system, Hawk Woods, or Battery Bud. All parts are readily available from the Internet ( see the parts list on schematics), and can be ordered as a kit or assembled from Gotham Sound and Communications.

Step 1: It Begins With a Pigtail

This is a pigtail USB A jack, equivalent of the panel or PCB mount computer jack. We used this one because of easy hook-up/installation, but you can use any compatible product.
On the picture you can see the wires- ground wire (in black shrink tubing), red/ black and green/white. Red is positive (+),black is negative (-). Green and white- data wires, for some devices they will need to be soldered together, in order to switch the device in charging mode. Read more about USB standards on the web. All parts are listed on Schematic page.
Very cool. I have some stuff lying around so I might do this.

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