If you are designing a custom PCB, consider adding these "Pro" features:
The K3NG keyer is a simple, yet versatile electronic keyer designed by George K3NG. It's widely used by amateur radio operators for Morse code transmission. The keyer is known for its compact size, low power consumption, and ease of use. k3ng keyer schematic repack
is widely considered the "Swiss Army Knife" of Morse code keyers, offering a staggering range of features from Winkeyer emulation to PS2 keyboard support. While the project is legendary, its versatility can make the initial hardware setup feel daunting. If you’re looking to "repack" this classic schematic into a cleaner, more efficient build, here is how to approach it. 1. Choosing Your Brain: Nano vs. Mega If you are designing a custom PCB, consider