Morse Code USB/HID Interface The Gadget is an adapter that allows you to connect up a Morse Code (CW) Key or Paddle as a keyboard to any device with a USB port. Hackaday.io
Why did sunspots disappear for 70 years? Sunspot numbers rise and fall, rise and fall… except for that time that they disappeared and weren't seen again for 70 years. Eos
Vacuum tube analog digital converter How one of the first high speed analog to digital converters used an amazing vacuum tube to achieve 12 million samples per second. Antique Wireless Museum
Bad oscilloscope is bad. Review and teardown of a FNIRSI 1014D digital storage oscilloscope. Kerry Wong
Winlink in the field W6AH hikes out to Piedra Blanca to try to send Winlink email traffic via Ham Radio. WaveTalkers
[Music Video] Propagation Propagation, a music video by young Radio Amateurs from SP7ZCN. Szyszkojady
