QRP Labs produces a range of inexpensive, easy to build kits for radio amateurs and electronics experimenters. The flagship “Ultimate3S” QRSS, WSPR and weak-signal modes transmitter kit has been augmented by additional kits. The kits are modular and some can be used in your own projects, in addition to standalone projects such as the Ultimate3S.
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Australian based ozQRP sells a range of inexpensive kits for the QRP amateur radio enthusiast. Kits include a SSB transceiver board, DSB transceiver, DDS VFO and a unique add-on LED signal meter. The designs are simple yet not lacking in features and allow beginners through to experienced home brewers the thrill of building and operating their […]
Hochspannung als Hobby or “Highvoltage as a hobby” in English, is a Swiss hobbyists website written in German. It deals with all sorts of high voltage experiments, including homemade vacuum-tube and solid-state teslacoils, wimshurst machines, marx generators, voltage multipliers and other related sources for high voltage, ranging from tens to hundreds of kilovolts. For […]
Erik Bartmann is a full time database-developer in a big company for computer services. He lives in Germany in a town next to Cologne. In his free time, he likes to write books about electronics and specifically about Arduino, Raspberry Pi, ESP8266 and more. His book writing style aims to present things very understandable for everybody, for students, for hobbyists, for engineers and […]