NØXAS redefines “low power” for us with a keyer that draws 4 nA (that’s 0.004 microamperes!) at idle.
I recently purchased this little thing for $18.00. It has just about anything you would want in a memory keyer. It took a half hour to build the kit. The last step is to install the battery in its holder. When you do, it sends "73", telling you that you've done everthing right. See the QST article at https://www.arrl.org/qst/2003/12/0312038.pdf
The kit can be purchased at Hamgadgets.com
Gene Mayler - K8EE
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