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First Project Log - Status

A project log for AM/FM Transmitter Pair

A pair of Altoids-tin sized transmitters, designed to be a cheap way to get music to an old device with no audio input.

rjpope42Rjpope42 08/10/2014 at 14:140 Comments

Created the project, I put the status in this log and the details, and as I post status updates in the log I will keep it updated in the details.

AM status -

Version 1.0 - Arrived with no plated holes, guess OSH park can only handle 1 drill file, oops... drilled the holes myself, got useful prototype info and poof that it works

Version 1.2 - Much better, fixed some layout issues, need to increase pad spacing for the inductors and make life easier by getting a upward facing switch. When using 9V battery, there is a hum that is eliminated by touching ground (either crystal case or linear regulator heatsink). Need to troubleshoot.

FM Status -

Version 1.0 - Designed and layed out on a 9V size rectangle, board should arrive the week of August 10th, 2014. Unsure if I will change the layout size to match that of the AM board.

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