When buying online, especially in China, we must take into account the possibility of fraud. Phishing methods are often described: Fraud on a large order from China, Don’t be fooled by Chinese scams, Warning against contacting a Chinese company. The … Continue reading →
Autumn in the Polish Karkonosze Mountains, as usual, beautifully colorful. In mid-November 2019, the first snow covered the autumn colors. … Continue reading →
Mr. Juliusz, father of Mr. Jarek, writes: For almost 20 years, this key was used to maintain sea-land communication in maritime radiocommunication and sailed with me, controlling MEWA, MARCONI MARINE, JVC, ELECTROMEKANO, MITSUBISHI ELECTRIC radio stations, withstanding storms and hurricanes … Continue reading →
Who suffers from the shortage of winter, should necessarily come to Karpacz – the capital of the Karkonosze Mountains, Poland. In Karpacz it is not as crowded as in Zakopane, and in the Karkonosze it is not so dangerous as … Continue reading →
60-day Temperature Logger PDF USB logger LB-519 is a meter and temperature recorder. The recorder creates a measurement report in PDF format, which can be read on any computer without the need to install any software. The recorder has permanently … Continue reading →
Thermo-hygrometer WiFi LB-523 is a wireless recorder of relative humidity and air temperature, equipped with a large memory of measurement data. It is powered by batteries (2 x 1.5V AA), rechargeable batteries (2 x 1.2V AA) or an external 5V … Continue reading →
Polish Bike Week is an annual event, for which the owners and enthusiasts of the great Harley-Davidson motorcycles descend to Karpacz, Poland. The XI edition of Polish Bike Week on August 2…5, 2018 in Karpacz gathered several hundred enthusiasts of … Continue reading →
The LB-524T4 GSM temperature recorder is a small, wireless, portable, battery-operated thermometer equipped with 4 external temperature sensors. The recorder measures and records 4 temperatures in memory. Every established period, the LB-524T4 recorder switches on the built-in GSM / GPRS … Continue reading →
The development of digital technology and the emergence of high-speed analogue-digital converters made digital reception technology available in practice, and the parameters of SDR receivers began to exceed the parameters of classical receivers with multiple frequency conversion. An example of … Continue reading →
And now a little bit about the history of electronic constructions that were designed many years ago. The constructions were created using small scale integration TTL digital integrated circuits: popular gates, flip-flops and counters, which were then new on a … Continue reading →