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fabiobaltieri.com | ||
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irq5.io
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| | | | | The advantage of Zigbee devices is that they are very low power, and they communicate in a wireless mesh network. The sensors are small and can work off a CR2032 coin cell for at least 2 years, maybe more. Depending on the type of sensor, they cost around US$10 and are readily available from various... | |
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tbspace.de
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| | | | | QO-100, also known as Es'hail-2 is a geostationary amateur radio satellite. It can be used by large parts of the world, including Europe, Africa, (parts of) South America and Asia. The satellite works as a linear transponder. It receives a specific range in the 2.4 GHz (13cm) band and sends it back to earth on 10 GHz (3cm). In order to generate such a 2.4 GHz signal and transmit it to the satellite conventional radio technology with transverters could be used. I chose a different route and planned a fully software-defined setup. This has many advantages: - Cost (PlutoSDRs can be bought for ~120?) - Low power consumption (laptop, SDR, amplifiers), ideal for portable usage - No SSB transceiver needed - Software DSP processing for very clean signals - I/Q sampl... | |
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olegkutkov.me
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ps5.4800bps.com
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| | | Nine Sols PS4 & PS5 - PlayStation Store - PS5 News | ||
