SKU: 19229671606

Matek mR900-30-TX mLRS (MAVLink long range system) firmware 900MHz Lora 30 dBm TX Module KIT

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Description

Matek mR900-30-TX mLRS (MAVLink long range system) firmware 900MHz Lora 30 dBm TX Module KITMATEKSYS mLRS 900MHz series are NOT compatible with ELRS 900MHz & Frsky R9 series using the SX127x. They will not bind with each other. LoRa chip SX126x(e. g. mR900 30, E22) and STM32WLE5xx(e. g. mR900 22, WIO E5, E77) are compatible with each other. Experience unparalleled long range connectivity with the Matek mR900 30 TX mLRS. Equipped with MAVLink firmware and a 900 MHz LoRa band, this module boasts 30 dBm RF power for optimal transmission

MATEKSYS mLRS 900MHz series are NOT compatible with ELRS 900MHz & Frsky R9 series using the SX127x. They will not bind with each other.

LoRa chip SX126x(e.g. mR900-30, E22) and STM32WLE5xx(e.g. mR900-22, WIO-E5, E77) are compatible with each other.

Experience unparalleled long-range connectivity with the Matek mR900-30-TX mLRS. Equipped with MAVLink firmware and a 900 MHz LoRa band, this module boasts 30 dBm RF power for optimal transmission strength. Stay connected with confidence and clarity.

Check out all our External Modules/Receivers Collection, and the rest of our Matek products!

You can also print a 3D Case with the Provided files here:


Routing and Layout:

Dip switch

  • Dip switch 1/2/3 all ON,  enable HC-04 communication with UART1 of STM32G431
  • Dip switch 3 ON,  1 & 2 OFF,   connect USB-TTL to G/3v3/BT-T/BT-R to configure HC04 via AT command
  • Dip switch 1/2/3 all OFF,  you can connect other Bluetooth or WiFi module to G/3v3/Rx1/Tx1


Firmware Flashing:

Download STM32CubeProgrammer from ST website

mLRS firmware:

Make sure STM DFU driver has been installed. Check out “Install DFU Drivers” in this page

Connect the TX module USB to computer while holding the boot button in.

  1. Select USB
  2. USB1 and click Refresh
  3. Connect
  4. select “Erasing & Programming”
  5. Tick all sectors and click “erase selected sectors”
  6. Browse firmware (hex or bin file) related to the hardware.
  7. Click “Start Programming”
  8. After programming, unplug USB and plug USB back in. If red LED blinks at 2Hz, the TX module is waiting for connecting with receiver.

Lua Script Configuration:

https://github.com/olliw42/mLRS/tree/main/lua

The mLRS Lua script provides the most convenient way to change the Tx and Rx module’s settings.

The Lua script works on both OpenTx and EdgeTx radios but there are two different versions depending on the display of your radio:

  1. If your radio has a 480×272 color screen (e.g. Jumper T16, Radiomaster TX16S) then use the “mLRS.lua” file
  2. If your radio has a black and white screen (e.g. Frsky Taranis X9E, Radiomaster Zorro) then use the “mLRS-bw.lua” file

Note: The mLRS script requires EdgeTx version 2.9.x or later.

 

Setup

Three things need to be done in order to use the Lua script:

  1. The Tx module must be configured for CRSF or mBridge mode, by setting the parameter “Tx Ch Source” to “crsf” or “mbridge” respectively. Since firmware version v0.2.13 “crsf” is the default setting, so this will be already completed after an initial flash. If not, the CLI needs to be used to set this parameter accordingly, as described in CLI Commands.

  2. In EdgeTX/OpenTX, navigate to MDL->MODEL SETUP and configure the external RF module for CRSF or mBridge protocol with 400K baud rate.

    • Note: mLRS only officially supports 400K baud rate.

  3. The Lua script “mLRS.lua” or “mLRS-bw.lua” located in the “lua” folder of the repository needs to be copied to the “SCRIPTS/TOOLS” folder of the radio’s SD card. One can follow the common tutorials for how to do this.

You should then be able to run the Lua script by going to SYS->TOOLS on the radio, and selecting “mLRS Configurator”.

 

Specifications:

  • mR900-30
    • STM32G431KB,  mLRS firmware
    • LoRa SX1262 with TCXO
    • PA/LNA SKY68383-11
    • RF Frequency: 900MHz (868MHz, 915MHz FCC)
    • 915MHz RF power: 21dBm(min) / 22dBm / 24dBm / 27dBm / 30dBm(1000mW)
    • 868MHz RF power: 24dBm(min) / 24dBm / 24dBm / 27dBm / 30dBm(1000mW)
    • Antenna connector: IPEX MHF-1 to SMA
  • mRx-Tx Adapter
    • Built-in HC-04 Bluetooth module
    • Built-in 5V fan controller,  running if output power>=500mW
    • TX2: RC IN(CRSF)
    • one buttom for DFU mode and Bind
    • Red and Green LED for mLRS status
    • Blue LED for Bluetooth status
    • Power supply: 5-13V DC @ JR_PIN3 (VIN)


LED Status

  • [Red flashing 2Hz], not connected to transmitter
  • [Green flashing 1Hz], connected to transmitter
  • [Red and Green alternately ], Binding mode enabled

 

Binding

Firmware

Tips

 

 Package Includes:

  • 1 x mR900-30-TX,
  • 1 x IPEX MHF1 to SMA adapter cable 5cm,
  • 1 x IPEX MHF1 to RP-SMA adapter cable 5cm
  • 1 x 5V Fan (25*25*10mm) and some screws
  • no SMA antenna & 3D printed Case packed

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    SKU: 19229671606

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    4.6 ★★★★★
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    Joseph McBee
    Battle Creek, US
    ★★★★★ 5
    A Book to Read and Read Again
    Format: Hardcover
    I finished this book a few days ago and have been obsessing over it in my mind ever since. Hooten Wilson (which is a delightfully fun name) is a brilliant scholar, excellent guide/teacher, and lover of Christ and the written word and all of that shows on every page. This book is a call to look up from our screens and dive deep into the written word, both Scripture and literature. It is equal parts inspiring and practical. The robust and rich writing of the author is still easily accessible. As one who grew up in love with books and reading, I moved to almost exclusively non-fiction in my adult years. This book inspired me to return to the beauty of fiction once again and to see the value of the written word as a way to love God, not just to gather and process information. I will definitely be reading this one again.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 8, 2023
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    Panda Incognito
    Boise, US
    ★★★★★ 4
    Rich Academic Insight
    Format: Hardcover
    Near the beginning of "Reading for the Love of God," Jessica Hooten Wilson addresses why we should read fiction, responding to arguments in some Christian circles that we should only read the Bible. Other topics that she covers include the difference between using and enjoying books, how reading can help us develop greater virtue, and how we can rightly interpret books through the "trinity" of rightly balancing the text, the author's intent, and our own takeaways, instead of forcing the text to mean whatever we want. She also shares "bookmarks" between chapters about the reading lives of Augustine of Hippo, Julian of Norwich, Frederick Douglass, and Dorothy L. Sayers. These sections are thoughtful and encouraging, and the latter two are my favorite parts of the book. There is a recommended reading list at the end that offers many wonderful selections, but I want to offer one quick warning. She includes the graphic novel adaptation of Octavia Butler's "Kindred" in her list for school-age readers, and although she mentions that it's more for the 10-12 age range, it is an adult book. The main character is an adult, and the graphic novel includes vivid on-page depictions of racial violence, attempted rape scenes, and a lot of talk about rape. Some older kids can handle that, but it would terrify others and was never intended for that age group. Reading and the Bible Hooten Wilson emphasizes that enhancing our reading skills through literature will help us better read, understand, and appreciate the Bible. She makes excellent points about how learning to read different literary genres will help with biblical interpretation, and she makes a convincing case for how practicing our interpretive skills and becoming more fluent with metaphor and other literary devices will enhance our experience with the Bible. However, I felt that she sometimes went too far, making it sound like Bible-reading is an activity for the well-educated and well-practiced. God intended the Bible for everyone regardless of their socioeconomic class, abilities, or educational level, and even though reading the Bible badly can have negative consequences, this book focuses more on our own literary skills than the power of the Holy Spirit to reveal truth to us, convict us, and comfort us through Scripture. Hooten Wilson provides excellent next steps for people who want to deepen their relationship with the Bible, but I wished that she had articulated additional vital context around this. Audience This book is highly academic in content and tone, and even though I enjoyed this book and found it very enriching, it is only for serious readers. Hooten Wilson writes about highly abstract concepts in complex ways, and she often uses specialized vocabulary without explaining what she means. She also makes lots of references to monastic practices and obscure literary works that even highly bookish Christians are unlikely to be familiar with. This book shares rich scholarly perspectives, but it is not for reluctant or casual readers, especially since Hooten Wilson only acknowledges the worth of popular-level books in the special section on Dorothy L. Sayers. It disappoints me that Christian books about reading are almost always written at such a lofty level that they are inaccessible to the people who need them most. I read hundreds of books every year, including dozens of academic ones, but I still felt that parts of the book were beyond me. If someone wants to begin getting more serious about reading, I would recommend Karen Swallow Prior's "On Reading Well" as a more accessible alternative with similar themes. My other concern is that Hooten Wilson was always the expert in the anecdotes she shared, never the person learning something new. Only one anecdote bothered me in and of itself, and that is the chapter-opening illustration about a time when she set up an undergrad student for embarrassment to make a point during class. The other anecdotes don't involve power differentials and were perfectly fine, but taken together, they give the impression that the author needs to feel superior. I am sure this was unintentional, but I wish she had given examples of times that she lost an argument and learned something new. Conclusion Overall, I enjoyed "Reading for the Love of God," appreciating Hooten Wilson's unique insights and her scholarly perspective on the spiritual importance of reading. This book is deep and thoughtful, and there are a lot of important messages about reading great books to expand your mind, enhance your understanding of Scripture, and become closer to God. However, this book is so dense and academic that it is only for scholarly readers. I wish that this book could be an on-ramp for people who want to get more serious about reading, but it will probably just make them feel judged, lectured at, and so overwhelmed that they give up. This book has great value for people who inhabit the author's literary world or are so well-read that they can make the leap, but I hope that the she will consider ways to effectively reach popular audiences in the future.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 15, 2023
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    Karissa Lynn
    Lowell, US
    ★★★★★ 5
    Inspiration and affirmation of the richness of a reading life
    Format: Hardcover
    I listened to Hooten Wilson give a talk about the book and immediately pre-ordered it. It did not disappoint. I haven’t binge read a book like I did this one since last year with Abolition of Man. It was a delight to learn more about some extraordinary and diverse readers such as Julian of Norwich, Frederick Douglas, Dorothy Sayers and others. Hooten Wilson does an excellent job make a case for the ways reading both the Word and literature expands our capacity for living rightly and for reflecting God.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 15, 2023
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    Verified Purchase
    Timothy Shea
    Grantham, US
    ★★★★★ 5
    Reading as worship?
    Format: Hardcover
    Dr. Wilson inspires us to see and appreciate reading with new eyes and hearts. This is a book I’m planning to add to my college literature syllabus and even my book club!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 22, 2024
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    Cryolitterae
    Grantham, US
    ★★★★★ 5
    An excellent survey of Christians should read
    Format: Kindle
    I love how complicated ideas are presented in a very simple way. This deserves to be read alongside Joshua Hren's How to Read like a Catholic
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 12, 2023

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