Reading time: 3 minute Among the main topics discussed, we list: Mobile phone, friend or foe ?; Radiation emitted by mobile phones; Frequency meter with PIC; What are stereograms ?;

Petrosani Hobby magazine collection, explained in detail, with free download in digital format (.pdf).
Reading time: 3 minute Among the main topics discussed, we list: Mobile phone, friend or foe ?; Radiation emitted by mobile phones; Frequency meter with PIC; What are stereograms ?;
Reading time: 3 minute Among the main topics discussed, we list: Computer addiction in students; The evolution of computers; Printed wiring; Useful tips for winter photography;
Reading time: 3 minute The main topics discussed in this issue: The program of the electronics contest - 2007 Edition - Pitesti; To interpret correctly the unconventional units of measurement; Stereo Amplifiers with TDA 2003; Mounting with tricolor LEDs; Digital photography for beginners (tips, tutorials, ideas);
Reading time: 3 minute The main topics discussed in this issue: Advocacy for the education of our children; Lupeni County Electronics Contest-2007; Introductory notions of using microcontrollers; Nokia GSM cables; History of Macromedia Inc .; WEB page guide;
Reading time: 4 minute The main topics discussed in this issue: Advocacy for education; Help in case of insomnia (electronic assembly); Rain alarm (electronic assembly); About connectors; Digital photography; Digital photography money;
Reading time: 3 minute The main topics discussed in this issue: Ham-spirit (Amateur Radio Code of Conduct); DIY phone; Aluminum / air electrical source; About voltage regulators (from the series: 78xxx and 79xxx); Antenna and grounding (rules extracted from NTS); Semiconductor marking codes; Military receivers and transmitters;
Reading time: 3 minute The main topics discussed in this issue: Our guests at YO2KQK (Children's Club - Petrosani); Website design; RST (Readability-Strength-Tone) reporting system; About banners; Filling printer cartridges; um to become a radio amateur ?;
Reading time: 3 minute The main topics discussed in this issue: Visiting YO2KBY; Cranial stimulator; QSLs, design and practices; Artificial respiration methods; Internet, web pages (about SGML and HTML);
Reading time: 3 minute The main topics discussed in this issue: Visiting YO8RAA (Mircea Popel); QSL cards; 200W amplifier; History of the Internet; Nikola Tesla; Very high voltage generator - TESLA;
Reading time: 3 minute The main topics discussed in this issue: Electronic construction contest; First aid in case of accidents; The inter-county contest of electronic constructions TEAM - Botosani; Will amateur radio disappear ?; Medical kit on vacation;