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Author Archives: andrzej

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Harley-Davidson and E_Bike in the Karkonosze Mountains, Poland

SP5DDF Posted on 2018-08-09 by andrzej2018-08-09

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 →

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LB-524T4 GSM Temperature Recorder

SP5DDF Posted on 2018-07-08 by andrzej2018-08-25

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 →

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PERSEUS Microtelecom SDR receiver

SP5DDF Posted on 2018-05-13 by andrzej2025-01-10

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 →

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History of electronic construction

SP5DDF Posted on 2018-05-13 by andrzej2019-06-18

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 →

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Climate under control

SP5DDF Posted on 2018-05-01 by andrzej2018-08-14

Professionally, along with my colleagues, I do everything what it is needed to responsibly monitor the climate in the most demanding places. These are among others: • Thermometers, hygrometers, barometers, anemometers, pyrometers, recorders, microclimate monitoring systems, meteorological stations, wired and … Continue reading →

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SWISSMADE for Kopa in Karpacz, Poland

SP5DDF Posted on 2018-05-01 by andrzej2019-06-16

From April 26, 2018 to Kopa – a hill near Karpacz, Poland – you can enter and leave it with the new SWISSMADE  Bartholet Ropeways cableway for only 55 PLN (13 EUR) per person. The new cablecar to Kopa in … Continue reading →

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