Wednesday, December 24, 2014

The K5TRA Allstar Web Transceiver

This is a very cool project from Tom - K5TRA.

Attached are some photos of my (just completed) Christmas toy, an Allstar web transceiver.

Complete with DTMF mic, just plug-in power and network and it functions just like a radio transceiver.








Here is more construction information of this device.....

The boards are:

BBB,

modified USB audio FOB,

audio PA, and one of my regulator/fan control boards.

Attached is the schematic for the regulator/fan board.




In this application, I’m only using the regulator and LED driver (no fan).

I used SMD to mod the FOB and tacked the leads to the back of the FOB board with a hot glue gun.

I  used a 1&7/8” Green-lee punch to make the speaker hole in the enclosure.

I found the speaker grill on eBay.

The enclosure is a Hammond 1454N  ($20.76 from Mouser).

The front panel LEDs are TX, RX, and HB (heartbeat).

The mic PTT line pulls the FOB COS line (SMD diode to pin48 of CM108) low to key.

Merry Christmas,
Tom - K5TRA



Enjoy!

 All For Now
Comments Invited - 73

SmØke out.....

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