Small USB to PTT/CW adapter

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Mare writes, “In this post, I will first introduce some of the basic technical background of the control of the transmit signal (PTT) and other signals (eg CW or linear activation). The second part will describe the  interface development and the final product.”

More details at Mare & Gal Electronics blog.

from Dangerous Prototypes http://ift.tt/2Bz0t7Y

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