QRP and homebrew by DL2YEO
“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’ and the locator is JO42FD....
Category: Hobby Lab
Test Instruments and Small Tools for a Hobby Lab
David Jones -Tronnort Technology
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 the tricks of the trade!...
Science Hobbyist – Amateur Science
Amateur Science, Cool Science, Gravity, Energy, Fusion, Tesla Coil Page. Neodymium Supermagnets, Science Toys. Significantly Worthwhile Books, Science Fair Ideas, Science Demos Articles, Experiments, Exhibits, Kids’ Science Projects, The Science Club. Electronics Hobbyist Projects...
Battery Monitor for your Boat or Car
This is a colorful, useful and educative project from Erlich Industrial Development, Corp. You will learn using Op-Amps as comparators and also LED bar graph analog display. Voltage Monitoring is an Electronics board that...
LED Lamp or Bulb with Flashlight option
This is another LED lamp from China, these people make nice lamps and also good designs of the plastic enclosure. Here by a clever enclosure design it is both a emergency mains bulb and...
Lauriers Handy Dandy Little Circuits
A site for electronic hobbyists, includes all kinds of small electronics hobby circuits. Now in the wayback archive. Lauriers Handy Dandy Little Circuits Some of the Projects are Temperature Controlled Soldering Iron, Digital Capacitance...
Dial AVO Amps-Volts-Ohms meter
This was designed, keeping in mind, that sometimes we have few components available and we could be flat broke. Even that you could not carry your DMM somewhere, but you have to make some...
Electronic Projects of Ronald
Ronald Dekker’s Nixie Tube Projects and Software. He has many interesting projects like “Mixed-Signal” LED clock, The µTracer, a miniature tube curve tracer. A Tiny 80(C)31 Basic Board. Electronic Projects of Ronald I Colored...
