Simple CMOS elbug
- It is a simple electronickeyer that proved to be reliable, precise timing and no own phantasy by OK1DX
CMOS Super Keyer
- Home made keyer with 8 memories, auto spacing, adjustable speed & weighting, separate paddle and key inputs, beacon mode, positive or negative keying, fuse, extremely low power requirements, and a bullet proof housing by AA5TB
- Two cheap CMOS ICs and a few transistors was all that was required to rebuild an elderly TTL automatic morse keyer into a low current lightweight battery powered iambic morse keyer.