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projects:amateur_radio:meshtastic:components [2024/06/03 05:46] – removed - external edit (Unknown date) 127.0.0.1projects:amateur_radio:meshtastic:components [2025/05/25 10:57] (current) – summarize EBYTE information Andrew Yong
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 +====== Components ======
 +
 +:?: Most of my component recommendations are in [[projects:amateur_radio:buyers_guide]].
 +
 +===== Microcontroller Development Boards =====
 +
 +==== Espressif ESP32 ====
 +
 +FIXME
 +
 +==== Nordic nRF52840 ====
 +
 +[[https://www.nordicsemi.com/Products/nRF52840|Nordic nRF52840 product page]];
 +
 +  * [[https://www.seeedstudio.com/Seeed-XIAO-BLE-nRF52840-p-5201.html|Seeed Studio XIAO nRF52840]]
 +  * [[https://www.seeedstudio.com/Seeed-XIAO-BLE-Sense-nRF52840-p-5253.html|Seeed Studio XIAO nRF52840]]
 +
 +==== STMicro STM32WL ====
 +
 +[[https://www.st.com/en/microcontrollers-microprocessors/stm32wlex.html|STM32WLEx product page]]; note that this MCU has an integrated Semtech SX1262.
 +
 +Meshtastic firmware support is still WIP (booting and functional, but no writeable configuration storage); see [[https://github.com/meshtastic/firmware/issues/2539|[Board]: STM32WL (Seeed Studio Wio-E5) #2539]]
 +
 +  * [[https://www.seeedstudio.com/LoRa-E5-mini-STM32WLE5JC-p-4869.html|Seeed Studio Wio-E5 mini Dev Board]]
 +
 +===== LoRa Modules =====
 +
 +:!: Note: Meshtastic only supports modules with SPI connectivity; UART modules are not supported.
 +
 +==== EBYTE E22-xxxMxxS ====
 +
 +^  Module ^  [[https://www.cdebyte.com/products/E22-900M22S|E22-900M22S]]  ^  [[https://www.cdebyte.com/products/E22-900M30S|E22-900M30S]]  ^  [[https://www.cdebyte.com/products/E22-900M33S|E22-900M33S]]  ^
 +^  LoRa IC |  [[https://www.semtech.com/products/wireless-rf/lora-connect/sx1262|Semtech SX1262]]  |||
 +^  Maximum Tx Power |  **22 dBm**  |  **30 dBm**  |  **33 dBm**  |
 +^  PA RFIC |  N/A  |  [[http://www.innotion.com.cn/cpxq?product_id=162|Innotion YP2233W]]  |  [[https://www.cemaxrf.com/56/731|Cemax ZDH1061]]  |
 +^  PA Gain |  N/A  |  7 dB  |  25 dB  |
 +^  SX126X_MAX_POWER |  22 dBm  |  22 dBm  |  9 dBm :!:  |
 +^  LNA RFIC |  N/A  |  [[https://www.nxp.com/products/radio-frequency-rf/legacy-rf/legacy-rf-wideband-transistors/npn-wideband-silicon-rf-transistor:BFU520|NXP BFU520]]  ||
 +^  LNA Gain |  N/A  |  18 dB :?:  |  18 dB :?:  |
 +^  Rx Sensitivity (Datasheet) |  -146 dBm  |  -150 dBm  |  -135 dBm  |
 +^  TXCO |  [[https://dgylec.com/detail/42645_9S32000054.html|YL 9S32000054]]  |||
 +
 +  * [[https://github.com/S5NC/CDEBYTE_Modules|S5NC has more resources (measurements, internal photographs) of CDEBYTE modules]]
 +
  

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