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Description
Waveshare SX1262 LoRa HAT 915MHz Frequency Band for Raspberry Pi, Applicable for America / Oceania / Asia, 915MHzOverview 1. This is a Pi LoRa HAT based on SX1262, covers 915MHz frequency band. It allows data transmission up to 5km through serial port. 2. By utilizing the new generation LoRa spread spectrum modulation technology, the communication distance of the module is as long as 5km, also supports auto repeating to transmit longer. Other features include Wake on Radio, wireless config, carrier sensing, communication key, and so on. 3. Comparing with normal
Overview1. This is a Pi LoRa HAT based on SX1262, covers 915MHz frequency band. It allows data transmission up to 5km through serial port.
2. By utilizing the new generation LoRa spread spectrum modulation technology, the communication distance of the module is as long as 5km, also supports auto repeating to transmit longer. Other features include Wake on Radio, wireless config, carrier sensing, communication key, and so on.
3. Comparing with normal LoRa modules, the SX1262 LoRa HAT achieves longer communication distance, higher rate, lower consumption, better safety and anti-interference. It is suitable for various applications such as industrial control, smart home, data collection, etc.
Features
1.Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
2. Onboard CP2102 USB TO UART converter, for serial debugging
3. Bring the UART control interface, for connecting host boards like Arduino/STM32
4. 4x LED indicators, easy to check the module status
5. LoRa spread spectrum modulation technology, up to 81 available signal channel, longer communication distance, more robust to interference
6. Auto multi-level repeating, suit for ultra long range communication, allows multi network on the same region
7. Low power consumption features like deep sleeping and Wake on Radio, ideal for battery-powered applications
8. Customizable communication key which wont be retrieved, greatly improves the security of user data
9. Support LBT, monitoring the signal channel noise before transmitting, greatly improves the success ratio under extreme environment
10. Support RSSI signal intensity indicating, for evaluating signal quality, tuning the network
11. Support wireless parameter configuration, by sending wireless command/data packet, remotely configure or retrieve the module parameter
12. Support fixed-point transmission, broadcast, signal channel monitor
13. Come with development resources and manual (examples for Raspberry Pi/STM32)
What is on Board
1. SX1262 LoRa module
2. 74HC125V: voltage level translator
3. CP2102: USB TO UART converter
4. Raspberry Pi GPIO connector: for connecting with Raspberry Pi
5. USB TO UART port
6. UART header: for connecting host boards like STM32/Arduino
7. SMA antenna connector
8. IPEX antenna connector
9. Indicators:
- RXD/TXD: UART RX/TX indicator
- AUX: auxiliary indicator
- PWR: power indicator
10. UART selection jumpers
- A: Control the LoRa module through USB TO UART
- B: Control the LoRa module through Raspberry Pi
- C: Access Raspberry Pi through USB TO UART
11. LoRa mode selection jumpers
- Short M0, short M1: Transmission mode
- Short M0, open M1: Configuration mode
- Open M0, short M1: WOR mode
- Open M0, open M1: deep sleep mode
Specification
1. RF module: SX1262
2. Frequency band: 850.125 ~ 930.125MHz
3. Radio rate: 0.3kbps ~ 62.5kbps (programmable)
4. Transmit power: 22.0dBm (10/13/17/22dBm programmable)
5. Receive sensitivity: -147dBm (radio rate 2.4kbps)
6. Power consumption:
- Transmit current: 133mA (transient consumption)
- Receive current: 11mA
- Sleep current: 2uA (LoRa module software shutoff)
7. Communication interface: UART (TTL level)
8. Baudrate: 1200bps ~ 115200bps (9600bps by default)
9. Packet length: 240 Byte (32/64/128/240 Byte programmable)
10. Cache: 1000 Byte
11. Experimental range: 5km (condition: cloudless and wild, altitude 2.5m, antenna gain 5dBi, radio rate 2.4kbps)
12. Power supply: 5V
13. Logic level: 3.3V/5V
14. Operating temperature: -40~85 degree C
15. Applications: Smart home, industrial sensors, building automation, smart meters, and more other IoT applications
16. Dimensions: 7cm x 12cm x 2cm
17. Weight: 69g
18. Packing List:
- SX1262 915MHz LoRa HAT x1
- USB type A plug to micro plug cable x1
- 915MHz antenna x1
Specification:
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4.5 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Very detailed! Beautiful world building! Strong Heroine!
Format: Kindle
Starts off a little slow and confusing with different POV’s, but starts to all come together towards the middle to make an elaborate plot line and makes it all worth it. Beautiful world building and attention to detail as well as great writing. The cliffhanger was gut wrenching! Can’t wait for the next book!
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Reviewed in the United States on March 4, 2020
★★★★★ 4
Interesting
Format: Kindle
This was a very captivating book once you got into it thoroughly. But the third person perspective was a bit hard to get used to. But as you got into it and followed the different characters, it was interesting and filled with intrigue, conflict and forbidden love.
I can’t wait to read the next one and to complete the series.
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Reviewed in the United States on November 12, 2022
★★★★★ 5
LOVED THIS STORY!
Format: Kindle
I never wite reviews, but this book was too good for me to NOT give props and let others readers know it's such a good read. They need to make movies of this one and I can't wait until the next book comes out. The story building was so good and I loved that the main character wasn't a silly useless princess or something. Shes intelligent, strong, and loves her friends. The description of the characters is really good also and its such a good plot. Not your average paranormal romance novel of some princess or the girl working at a diner. LOL! I'm totally team Rykan for her! Fingers crossed for the next book and October 31st can't come soon enough.
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Reviewed in the United States on September 15, 2023
★★★★★ 4
Imperfect characters
Format: Kindle
4.5 stars ⭐
I don't really understand the harsh criticism in some of these reviews (Goodreads). I rarely write reviews myself, but I think this book deserves it.
Look, it absolutely has its issues. I wasn't feeling it in the beginning -- the first few chapters were all tell and no show, literally just telling us all this background in a few paragraphs rather than feeding us bits and pieces at a time. The writing significantly improves after a few chapters, though. And I didn't catch any spelling or grammatical typos often found in new, self published books.
After the rough start, I absolutely flew through the rest of the book and couldn't put it down. Seriously stayed up until 2am with it. So I also don't agree with comments calling it boring. Definitely did not bore me. I thought it ticked all the right boxes: romance, fantasy, a magic system, tragedy, fate, character growth.
A lot of the poor reviews I'm seeing are in regards to the FMC's character. Personally, I like flawed characters and think it's more realistic than reading the POV of someone who always makes the right decisions, is always honest, is always selfless, etc. Humans aren't like that. Readers love when male leads are morally grey, but God forbid a woman isn't perfect.
So I like flawed characters and I like a little bit of tragedy, which the author provides. Ends on a cliffhanger, and I can't wait to read the sequel next month. I really want to learn more about Malachi.
All in all, not a bad start from this author. Give it a chance.
SOMEWHAT SPOILERY:
I LOVE the concept of fated mates that kind of hate each other. Most books with the fated mates trope allow the characters to immediately fall for each other and get together relatively easily. But this is way more interesting ;)
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Reviewed in the United States on October 1, 2023
★★★★★ 5
what just happened
Format: Kindle
I’m not gonna lie. This story had me from the beginning. It’s something about a girl running from an obsessive stalker that happens to be set in a fantasy realm. This story had everything you could want in a great plot. I mean intrigue, politics, betrayal, murder, witches, shades, fairies, shifter, etc. My heart grieved for Dahlia and everything she went through and honestly i don’t know who to root for in this story as all the males are morally gray which I love. All have a hint of evil. Book up this book and you won’t be disappointed. Soo ready for the next book.
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Reviewed in the United States on September 18, 2023