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getting sensor data onto a radio from an embedded device pcb that doesn’t utilize a microcontroller? Then the solution will look like a weather balloon or satellite from the 1970's, with lots of logic hardware to encode data into a specific radio protocol, which these days would better fit a CPLD... which is another programmable device. less strain on ...


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The only remotely sensible solution is to use an MCU. That was true last week when someone asked a remarkably similar question, and it remains true today. MCUs are cheaper and more flexible than all but the simplest combinations of building block logic, and have the added benefit of drastically expanding the sorts of radios and radio protocols which you ...


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You should add a label at least for the plotted waveforms because nobody can tell which node is N002 & co. Also, using passive elements means there is no gain, and thus the output will always be less than the input. What you have there is a voltage divider, followed by another, etc. Even if those are ideal LC elements, the resistive divider formed by the ...


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Not directly, no. But you can design a system to use the nRF24, you can even make it compatible with the many existing RC systems that use nRF24 or similar radios. The main issue is that your 433 MHz radio is a crude OOK system where the encoder injects pulses via a single line and the decoder must accept pulses via a single line, distinguish valid ones ...


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All you can state - assuming an ideal isotropic antenna (Marcus Müller pointed out, that in reality it is rarely the case) - what the incoming power was. Based on my somewhat limited understanding on electromagnetic waves, the energy of the traveling waves are oscillating between the electric and magnetic fields.


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properties of the incoming signal to the antenna You can't. All you observe is the electric signal; there's infinitely many possible electromagnetic waves that can lead to an identical signal at the antenna output. Think about it: Say your wave comes in from the main lobe direction and has an amplitude of 1 V. Now imagine a wave with twice the power ...


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It's an interesting idea. You mention an esp32, and it being a widely used wifi networked device works in your favor. I think you have a couple of challenges in the project. First is that all devices in the swarm have to be operating in a precisely synchronized manner. I've come across White Rabbit project that make use of a very precise clock ...


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In all the major CAD tools, plane floods will automatically avoid vias of different nets. That is to say, if you flood a plane with net GND, the plane flooding algorithm will leave a gap around the via of net 5V. The size of the gap is determined by the spacing rules you set up (either for the plane itself or the nets/net classes involved). If you run a ...


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