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sx12xx: add README files for some basic explanation

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Signed-off-by: deadprogram <ron@hybridgroup.com>
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deadprogram
2023-02-01 17:36:10 +01:00
committed by Ron Evans
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sx126x/README.md
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# SX126x LoRa Radio
The Semtech SX126x family of sub-Ghz radio transceivers come in a number of different formats.
SX126x radios have a wide continuous frequency coverage from 150 MHz to 960 MHz.
SX1261 can transmit up to +15 dBm and the SX1262 can transmit up to +22 dBm
Some development boards are specific to a particular frequency range, so for example you need a different variation of that board for EU868 vs. for AU915.
## LAMBDA62 RF module
Cost effective radio module featuring the Semtech SX1262.
## STM32 STM32WLE5JC
ST Micro STM32WLE5/E4xx is 32-bit ARM Cortex M4 processor with Semtech SX126x processor on a single die.
https://www.st.com/en/microcontrollers-microprocessors/stm32wle5jc.html
Several boards have been made using this processor.
### Wio-E5 mini
https://www.seeedstudio.com/LoRa-E5-mini-STM32WLE5JC-p-4869.html
Wio-E5 mini is a compacted-sized dev board suitable for the rapid testing and building of small-size LoRa device and application prototyping. Wio-E5 mini is embedded with and leads out full GPIOs of Wio-E5 STM32WLE5JC