ARRL is the national -USA membership association for Amateur Radio operators. Amateur Radio (ham radio) is a popular hobby and service that brings people, electronics and communication together. People useRead More
The 9 lives of El Gato the Cat is a fire safety comic book. related to Fire prevention by United States Consumer Product Safety Commission. This is from State LibraryRead More
“My name is Udo and I am living in the small village called Spenge, about 15 km north of Bielefeld. The DARC radio club is ‘OV Widukind – N59’ andRead More
Dedicated Website for Audiophile projects, such as a Diy High End DACs, Loudspeakers, Tube Amplifiers – Doede Douma DDDAC 2000 – Audiophile projects Setting up an Audio Streaming Server (forRead More
1877 – Edison made the first recording of a human voice (“Mary had a little lamb”) on the first tinfoil cylinder phonograph Dec. 6 (the word “Halloo” may have beenRead More
He has many achievements to his credit; From converting a Thomas Saf-T-Liner, a flat-nosed diesel school bus into a family camper To a DIY Op-Amp Hot Tub Temperature Controller. LookRead More
Instruction manual of an electronic moving font with LEDs and a clock built up of LEDs. Furthermore information is available about a serial-to-I²C converter, an AT89C2051 evaluation board and aRead More
PCB Design Tutorial – As published in Silicon Chip magazine Oct-Dec 2003. A very comprehensive three part tutorial on how to professionally design and lay out PCBs. Learn all theRead More