lorawan gateway

Build your own LoRaWAN gateway, Step 3: Set up a parametric operation dimensionIntroduction If you only care: Create a LoRaWAN gateway, please refer to "Spend one hours to build your own LoRaWAN gateway" https://blog.csdn.net/jian

Build Your own LoRaWAN gateway, Step 1: Build the software Introduction If you only care: to create a LoRaWAN gateway, please refer to "Spend one hours to build their own LoRaWAN gateway" https://blog.csdn.net/jiangjunjie_2005/ar

of years, thanks to its long-distance communication capability and anti-jamming robustness, Lora is the first commercial area of this technology for low-power applications. Long Distance (LoRa)The strength of Lora technology is remote technology. A single base station or gateway can cover the entire city or hundreds of square kilometres. The farthest distance depends on the environment or the obstacles within a given distance, but the Lora and

The gateway is used to control the flow of the process. The Gateway can consume or generate a token. The gateway is displayed as a diamond graph with a small internal icon. The icon indicates the type of the gateway. Basic Branch First, use process variables to write a basic process with branches Flowchart: Deploym

In the Nginx reverse proxy mode, the page loading is incomplete or the 502 bad gateway appears directly. There are many cases of 502 bad Gateway, most of which are related to the setting of the Nginx timeout problem. The following is a discussion of a situation that is relatively rare but has to be noted. Presence Environment Nginx work in reverse proxy mode, listening to non-80 ports (this is important

First, real-time monitoringThe user clicks on the service instance, the system displays the list of APIs under service instance-version,The user clicks on the following two icons for an API1, API request number monitoringHorizontal axis: Time, granularity is minuteLongitudinal axis: Number of requests for accessDisplay: Number of failures (red), number of successes (green), total (yellow), "Click Red, display the list of failed logs, click the failure log, and the tree shows the local request en

First, create a gateway sideways 1, Client identity (oauth_client_details) 1.1, data structure1.2. Interface codeid= "formdto" class= "form-horizontal" action= "/spring-oauth-server/register_ Client " method="post "> 1.3. Backstage CodeFinal String sql = "INSERT INTO Oauth_client_details (client_id,resource_ids,client_secret,scope,authorized_grant_ Types,web_server_redirect_uri, "+Authorities,access_token_validity,refresh_token_validity,additio

　　gateways (Gateway) are also called Network Connectors, protocol converters. Gateway on the transport layer to achieve network interconnection, is the most complex network interconnection equipment, only for two high-level protocols different network interconnection. Gateways can be used both for WAN interconnection and for LAN interconnection. A gateway is a co

Springcloud (10): Service Gateway Zuul In the previous article we introduced the Eureka used for service registration in discovery, feign support service invocation and balance load, hystrix processing services to fuse to prevent failure spread, Spring Cloud Config Service cluster Configuration center, it seems that a micro-service framework has been completed. We are still less concerned about the external application of how to access the internal v

Recently, the phenomenon of server downtime more frequent, temporary work, G to hang up, 502 Bad Gateway Nginx, I can not help but remind me before the 504 gateway time-out, the two should be a bit of contact, we must find out. The implication of Nginx 504 Gateway time-out is that the requested gateway is not requested

Centos/linux How to view the gateway address/gateway address? There are many commands to view the gateway under Linux, but if the IP is obtained by DHCP, then some commands are not applicable, and there are also common query gateway commands.1.ifconfig-a and cat/etc/resolv.conf (main view ip/netmask and DNS)2.netstat-r

Problem descriptionThe troubleshooting steps in How to troubleshoot an application gateway that returns HTTP Code 502 or the client gets slow response from the application Gateway (a) can be judged as a response exception due to a WEB server's own problem.You can then turn on failed request tracing (the FRT McCartney) feature in IIS to track and analyze the cause of this response exception.The specific step

First, IntroBefore the gateway, many netizens concerned about how to implement the interface. To understand the change of the next machine variable, it is how to trigger the human-machine interface animation in one step.This step-by-step trigger is essentially a bulk data change (DataChange) event for the variable group (s), which raises the variable (TAG) value Update (ValueChange) event, which eventually triggers an animated script (Action) of the e

You can try to clear the browser cache and access your FTP to see if you can log on Cause A server (not necessarily a Web server) serves as a gateway or proxy to meet customer requirements (such as a Web browser or our CheckUpDown robot) to access the requested URL. This server receives an invalid response from the upstream server to fulfill its requirements.Fixed 502 errorsGenerally, this problem is caused by poor communication between IP addresses o

Problem descriptionAfter initial troubleshooting, the application gateway itself works fine and also excludes the latency of the Azure platform network. The behavior that occurs is usually a partial URL response is normal, a partial URL response is slow, or HTTP Code 502 is returned.Problem analysis Determine application access and response by analyzing access logs (see: Backend Health, diagnostic logs, and metrics for application

Gateway Guide: HTTPS://HELP.ALIYUN.COM/DOCUMENT_DETAIL/29487.HTML?SPM=5176.DOC48835.6.550.23OQBLGateway Console: https://apigateway.console.aliyun.com/?spm=5176.doc42740.2.2.Q4z5ws#/cn-hangzhou/apis/listReference Link:https://help.aliyun.com/document_detail/48019.html?spm=5176.doc29487.6.580.NFBkpzFirst, the configuration center1. When configuring the API, divide all APIs into two categories, "Get Authorization Token API" and "Business Access API".2.

Question:Most firewalls or UTM deployment modes include the routing mode, the bridge mode, and the hybrid mode. The core configuration is the write rule, A good rule will greatly improve the security of the internal network. Of course, if UTM is used, other security components may be attached. For example, the most common rule is the AV anti-virus component, IPS components, anti-spam components, and some other components such as VPN, this article mainly describes the configurations of USG series

504 gateway time-out Problem: The requested gateway does not have a request. In short, it does not have a request for PHP-CGI that can be executed. In general, this situation may be caused by the small buffer of nginx's default FastCGI process response, which will cause the FastCGI process to be suspended. If your FastCGI service does not handle this suspension well, in the end, 504

Windows Azure Platform Family of articles CatalogThis chapter will show you how to create application gateway for the public network, and we need to prepare for the following tasks:1. Create a new Azure Resource Group named LEIAPPGWRG2. Under this resource group, create a new arm virtual network, named Leiappgatewayvnet, and create a subnet.Please note that under this virtual network, there must be an empty subnet, or a single subnet dedicated to appl

Requirements Description:Since the use of telecom 200M fiber, the resolution card into a dog. Open the domain name around 3 seconds, the less common domain name is around 8s. Suspected telecommunications gateway has a problem, so want to let the router dial authentication , and then set the DNS resolution domain namemodified for the router Dial authentication, the domain name resolution is still unresolved, continue to follow! (Set Ali's DNS 223.5.5.5