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Love4yzp authored Aug 5, 2024
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8 changes: 4 additions & 4 deletions docs/Edge/Raspberry_Pi_Devices/reComputer_R1000/recomputer_r.md
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Expand Up @@ -1478,7 +1478,7 @@ Another way to use this function is Initiate a shutdown when GPIO pin changes. T
Use `/boot/overlays/README` as reference, then modify `/boot/config.txt`.

```bash
dtoverlay=gpio-shutdown, gpio_pin=GPIO25,active_low=1
dtoverlay=gpio-shutdown,gpio_pin=25,active_low=1
```

:::note
Expand All @@ -1494,10 +1494,10 @@ import time,os

num = 0

GPIO.setmode(GPIO,BCM)
GPIO.setmode(GPIO.BCM)
#set GPIO25 as input mode
#add 500ms jitter time for software stabilization
GPIO.setup(25,GPIO.IN,pull_up_down = GPIO.PUD_DOWN)
GPIO.setup(25,GPIO.IN,pull_up_down = GPIO.PUD_UP)
GPIO.add_event_detect(25,GPIO.FALLING, bouncetime = 500)
while True:
if GPIO.event_detected(25):
Expand Down Expand Up @@ -1549,4 +1549,4 @@ Thank you for choosing our products! We are here to provide you with different s
<div class="button_tech_support_container">
<a href="https://discord.gg/eWkprNDMU7" class="button_discord"></a>
<a href="https://github.com/Seeed-Studio/wiki-documents/discussions/69" class="button_discussion"></a>
</div>
</div>
180 changes: 180 additions & 0 deletions docs/Network/SenseCAP_Network/SenseCAP_Gateway_Intro.md
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Expand Up @@ -17,6 +17,186 @@ With a range of products that cater to the needs of different users, from hobbyi
In addition to the LoRaWAN sensors, SenseCAP also provides different types of gateway, including hotspots for web3 and LoRaWAN gateways for the LoRaWAN sensing solutions, and an array of software, cloud services, and APIs, allowing users to collect, store, and analyze data in real-time. The combination of hardware, software, and cloud services enables users to quickly respond to changes in their environment and make data-driven decisions.


## Introduction

**SenseCAP Gateway** is an industrial-grade, high-performance gateway designed for long-range wireless communication. Developed by Seeed Studio, the SenseCAP Gateway serves as a critical component in the Internet of Things (IoT) ecosystem, enabling robust and reliable connectivity for a wide range of applications.

<p style={{textAlign: 'center'}}><img src="https://files.seeedstudio.com/wiki/SenseCAP/introduction/helium-sensecap6.png" alt="pir" width={1000} height="auto" /></p>

Key features of the SenseCAP Gateway include:

- High Reliability: Built to withstand harsh environmental conditions with IP66-rated enclosures.
- Long Range: Capable of providing extensive coverage with LoRa technology.
- High Performance: Equipped with powerful processing capabilities to manage numerous connected devices.
- Ease of Deployment: Simple setup and maintenance, making it accessible for various users and industries.
- Scalability: Supports large-scale IoT deployments with high data throughput and numerous device connections.

Applications of the SenseCAP Gateway range from smart agriculture and environmental monitoring to industrial automation and smart cities.

## The LoRa Communication

LoRa (Long Range) is a low-power wide-area network (LPWAN) protocol designed for wireless battery-operated devices in regional, national, or global networks. LoRa is ideal for applications requiring long-range, low-power, and secure data transmission.

1. Modulation Technique: LoRa uses Chirp Spread Spectrum (CSS) modulation, which spreads the signal across a wide frequency range, providing robust resistance to interference and signal degradation.
2. Long Range: LoRa can transmit data over distances up to 15 km in rural areas and 5 km in urban areas, making it suitable for a wide array of applications.
3. Low Power Consumption: Devices using LoRa can operate on small batteries for several years due to the low power requirements.
4. Low Data Rate: While LoRa supports long-range communication, it is optimized for low data rates, typically ranging from 0.3 kbps to 50 kbps.
5. Secure Communication: LoRa provides strong security features, including end-to-end encryption, ensuring data integrity and confidentiality.
6. LoRa is typically used in a star-of-stars topology where gateways relay messages between end-devices and a central network server. The gateway acts as a transparent bridge, converting RF packets to IP packets and vice versa.



## Hardware Products

<p style={{textAlign: 'center'}}><a href="https://www.seeedstudio.com/SenseCAP-Multi-Platform-LoRaWAN-Indoor-Gateway-SX1302-EU868-p-5471.html" target="_blank"><img src="https://sensecap-solution-upload.cdn.seeed.cn/cc/2022/09/029cab35952193f5e1ea3c80fda40937-2.png?x-oss-process=image%2Fformat,webp" alt="pir" width={1000} height="auto" /></a></p>


<p style={{textAlign: 'center'}}><a href="https://www.seeedstudio.com/LoRaWAN-Gateway-EU868-p-4305.html" target="_blank"><img src="https://sensecap-solution-upload.cdn.seeed.cn/cc/2022/09/1ef6149dd438035c41238babee3f27e5-1.png?x-oss-process=image%2Fformat,webp" alt="pir" width={1000} height="auto" /></a></p>


### SenseCAP M2 Multi-Platform Gateway

<div class="all_container">
<div class="xiao_topic_page_pic">
<img src="https://www.sensecapmx.com/wp-content/uploads/2023/02/Pasted-into-1-10.png" style={{width:900, height:'auto'}}/>
</div>
<div class="xiao_topic_page_font1">
<font size={"2.1"}>SenseCAP M2 Multi-Platform LoRaWAN Gateway is a standard LoRaWAN® gateway that supports connecting to different network servers. It supports global LoRaWAN® frequency plans from 865 MHz to 923 MHz and can be used in multiple LoRaWAN® applications like smart building, environmental monitoring systems, precision farming, etc. It has wide-range coverage and strong signal output capability and other features, making it the perfect gateway for building a LoRaWAN® network. </font>
</div>
</div>

<br /><br /><br /><br />


<div class="get_one_now_container" style={{textAlign: 'center'}}>
<a class="get_one_now_item" href="https://www.seeedstudio.com/SenseCAP-Multi-Platform-LoRaWAN-Indoor-Gateway-SX1302-US915-p-5472.html"><strong><span><font color={'FFFFFF'} size={"4"}> 🖱️ Buy Now</font></span></strong>
</a>
<a class="get_one_now_item" href="https://wiki.seeedstudio.com/Network/SenseCAP_Network/SenseCAP_M2_Multi_Platform/SenseCAP_M2_Multi_Platform_Overview/"><strong><span><font color={'FFFFFF'} size={"4"}> 📚 Learn More</font></span></strong>
</a>
</div>



### Helium Gateway

#### SenseCAP M1 Gateway

<div class="all_container">
<div class="xiao_topic_page_pic">
<img src="https://www.sensecapmx.com/wp-content/uploads/2022/06/sensecapm1.webp" style={{width:900, height:'auto'}}/>
</div>
<div class="xiao_topic_page_font1">
<font size={"2.1"}>SenseCAP M1 is a high-performing, ready-to-use LoRaWAN indoor gateway connected to the Helium LongFi™ Network.It is based on Raspberry Pi 4 and embedded with a WM1302/WM1303 (Semtech SX1302/SX1303) LoRa concentrator. It provides built-in BLE, which helps you set up the device in a few simple steps and supports connecting to the internet via Wi-Fi or Ethernet. </font>
</div>
</div>

<br /><br /><br /><br />


<div class="get_one_now_container" style={{textAlign: 'center'}}>
<a class="get_one_now_item" href="https://www.seeedstudio.com/SenseCAP-M1-LoRaWAN-Indoor-Gateway-EU868-p-5022.html"><strong><span><font color={'FFFFFF'} size={"4"}> 🖱️ Buy Now</font></span></strong>
</a>
<a class="get_one_now_item" href="https://wiki.seeedstudio.com/Network/SenseCAP_Network/SenseCAP_M1-Helium_gateway/SenseCAP_M1_Overview/"><strong><span><font color={'FFFFFF'} size={"4"}> 📚 Learn More</font></span></strong>
</a>
</div>


#### SenseCAP M2 Data Only

<div class="all_container">
<div class="xiao_topic_page_pic">
<img src="https://media-cdn.seeedstudio.com/media/catalog/product/cache/bb49d3ec4ee05b6f018e93f896b8a25d/d/a/data_eu.jpg" style={{width:900, height:'auto'}}/>
</div>
<div class="xiao_topic_page_font1">
<font size={"2.1"}>SenseCAP M2 Data Only is a LoRaWAN Gateway connected to the Helium LongFi Network and able to provide miles of wireless network coverage and data transmission capacity for Long Range/LoRaWAN devices. </font>
</div>
</div>

<br /><br /><br /><br />


<div class="get_one_now_container" style={{textAlign: 'center'}}>
<a class="get_one_now_item" href="https://www.seeedstudio.com/SenseCAP-M2-Data-Only-LoRaWAN-Indoor-Gateway-SX1302-EU868-p-5339.html"><strong><span><font color={'FFFFFF'} size={"4"}> 🖱️ Buy Now</font></span></strong>
</a>
<a class="get_one_now_item" href="https://wiki.seeedstudio.com/Network/SenseCAP_Network/SenseCAP_M2_Data_Only-Helium_gateway/SenseCAP_M2_Data_Only_Overview/"><strong><span><font color={'FFFFFF'} size={"4"}> 📚 Learn More</font></span></strong>
</a>
</div>


#### SenseCAP M2 Light Gateway

<div class="all_container">
<div class="xiao_topic_page_pic">
<img src="https://media-cdn.seeedstudio.com/media/catalog/product/cache/bb49d3ec4ee05b6f018e93f896b8a25d/1/-/1-sensecap-m2-light-hotspot-software-license--first_1_.jpg" style={{width:900, height:'auto'}}/>
</div>
<div class="xiao_topic_page_font1">
<font size={"2.1"}>SenseCAP M2 Light Hotspot is a high-performance Helium LoRaWAN gateway that allows users to join the Helium network at a minimal cost. Flexible SenseCAP Licence plans down to $0.05 per day are provided to enable users to enjoy the benefits of PoC and data transfer with minimal investment and more flexibility. </font>
</div>
</div>

<br /><br /><br /><br />


<div class="get_one_now_container" style={{textAlign: 'center'}}>
<a class="get_one_now_item" href="https://www.seeedstudio.com/SenseCAP-M2-Light-Hotspot-and-Software-License.html"><strong><span><font color={'FFFFFF'} size={"4"}> 🖱️ Buy Now</font></span></strong>
</a>
<a class="get_one_now_item" href="https://wiki.seeedstudio.com/Network/SenseCAP_Network/SenseCAP_M2_Light_Gateway/SenseCAP_M2_Light_Gateway_Overview/"><strong><span><font color={'FFFFFF'} size={"4"}> 📚 Learn More</font></span></strong>
</a>
</div>



### Flux Gateway

#### SenseCAP M4

<div class="all_container">
<div class="xiao_topic_page_pic">
<img src="https://www.sensecapmx.com/wp-content/uploads/2022/12/Pasted-into-Overview.png" style={{width:900, height:'auto'}}/>
</div>
<div class="xiao_topic_page_font1">
<font size={"2.1"}>SenseCAP M4 Square is a device designed to run multiple Web 3.0 Apps. No code seamless set up the CUMULUS FluxNode and Helium light hotspot provides a scalable, decentralized computational network for Flux and miles of wireless network coverage and data transmission capacity for LoRa/LoRaWAN devices. </font>
</div>
</div>

<br /><br /><br /><br />


<div class="get_one_now_container" style={{textAlign: 'center'}}>
<a class="get_one_now_item" href="https://www.seeedstudio.com/SenseCAP-M4-Sqaure-Bundle.html"><strong><span><font color={'FFFFFF'} size={"4"}> 🖱️ Buy Now</font></span></strong>
</a>
<a class="get_one_now_item" href="https://wiki.seeedstudio.com/Network/SenseCAP_Network/SenseCAP_M4_Square-Flux_gateway/SenseCAP_M4_Overview/"><strong><span><font color={'FFFFFF'} size={"4"}> 📚 Learn More</font></span></strong>
</a>
</div>


### Outdoor Gateway

<div class="all_container">
<div class="xiao_topic_page_pic">
<img src="https://media-cdn.seeedstudio.com/media/catalog/product/cache/bb49d3ec4ee05b6f018e93f896b8a25d/s/e/sensecap_lorawan_eu868_1.png" style={{width:900, height:'auto'}}/>
</div>
<div class="xiao_topic_page_font1">
<font size={"2.1"}>SenseCAP Gateway - LoRaWAN is an IP66 industrial-grade outdoor product, supports an extended operating temperature range, making it applicable for low-power consumption, long-range data collection IoT scenarios like smart farming. </font>
</div>
</div>

<br /><br /><br /><br />


<div class="get_one_now_container" style={{textAlign: 'center'}}>
<a class="get_one_now_item" href="https://www.seeedstudio.com/LoRaWAN-Gateway-EU868-p-4305.html"><strong><span><font color={'FFFFFF'} size={"4"}> 🖱️ Buy Now</font></span></strong>
</a>
<a class="get_one_now_item" href="https://wiki.seeedstudio.com/Network/SenseCAP_Network/SenseCAP_LoRaWAN_Outdoor_Gateway/SenseCAP_LoRaWAN_Outdoor_Gateway_Overview/"><strong><span><font color={'FFFFFF'} size={"4"}> 📚 Learn More</font></span></strong>
</a>
</div>










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2 changes: 1 addition & 1 deletion docs/Sensor/SeeedStudio_XIAO/SeeedStudio_XIAO_SAMD21/Seeeduino-XIAO.md
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Expand Up @@ -108,7 +108,7 @@ Please note: The behavior of the built-in LED is reversed to the one on an Ardui

All pins on Seeed Studio XIAO SAMD21 support interrupts, but two pins cannot be used at the same time: 5 pin and 7 pin. For more detail about Interrupt please check [here](https://github.com/Seeed-Studio/ArduinoCore-samd/blob/master/variants/XIAO_m0/variant.cpp).

### **Pin Multuiplexing**
### **Pin Multiplexing**

We don't need to configure the pins ourselves, after using the pins, you can call a function directly.

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