No hay artículos en el carro
No hay artículos en el carroBlake C.
Comentado en los Estados Unidos el 11 de julio de 2024
I had trouble learning how to properly provide them with a stable connection. But once I figured out that DuPont connectors are connectivities mortal enemy, and began constructing level shifting shields myself, things moved along like a dream.Make sure you use real level shifters. Voltage dividers (resistor pairs) are wasteful and inaccurate.You can provide the VCC with power through a Red or Yellow LED from a 5v source. This will trim the power, provide reverse voltage protection, and it can be used as a cool indicator that will flash when receiving or transmitting. Positive leg (thin side) towards 5v, negative leg (thicker side) towards the radio VCC.There's a robust library available to help you create your own 'flipper' the way you like.
Joshua G
Comentado en los Estados Unidos el 22 de septiembre de 2024
I needed a couple CC1101s with SMA jacks for a project, and these did the trick. Both boards work as expected.The quickest way to test the modules was to wire them to a Flipper Zero's gpio ports with DuPont jumpers and run the Sub-GHz analyzer app in external mode. One could do the same with any Arduino, ESP32, etc., and a quick sketch that's likely already out there.The included antennas dipped to an SWR of 1.03 and 1.13 at 486MHz and 4 and 14(!) at 433MHz on my VNA. If you need ISM band resonance, you'll want to get some new antennas. These are badly out of spec.
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