Blynk server online

Blynk Servers
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So it’s good that you can log into the Blynk local server (or just server) admin page. This is a good start, as you already knew your local IP address of the server. But there are still many things to do. You can patiently follow step by step.

  1. Try to use your phone Blynk APP to create an account, then log into the server to verify. You have to use the local IP address (for example: 192.168.0.105) of the server and port 9443 and the Custom Server settings in the APP.
    If you can log into the server and create an account, you can move to next step.

  2. Make your local server IP address static by going to the Tenda router, setting the Static IP Address Lease list, using your server MAC address and local IP you want for the server, say 192.168.0 105
    To find out your RPi MAC address, you can either
    a) see in router’s DHCP Server list ( xx.xx.xx.xx.xx with 192.168.0.105) or
    b) use ifconfig command in RPi Zero W SSH terminal.

pi@raspberrypi-02:~ $ ifconfig
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.105  netmask 255.255.255.0  broadcast 192.168.0.255
        ...
        ether b8:27:eb:44:bd:7a  txqueuelen 1000  (Ethernet)
        ...

If OK, go the next step

  1. Port forward the ports 9443/8080/443 to your server @ 192.168.0.105. You can use DMZ Host temporarily just to test as this practice is not safe. I believe all these 2 settings are done in Virtual Servers menu of Tenda. Then testing by

a. Find out your global IP Address by either looking in your System Status menu of the Tenda or go to [ https://whatismyipaddress.com/ip-lookup ]. It will be something else, for example 206.a.b.c. If you get this global IP Address from the router such as 192.168.x.x, 10.10.x.x, or 172.16.x.x to 172.31.x.x, your ISP is using Double NAT and you have no way to access you server from outside network. If OK, go to next step

b. Check if your ports (forwarded in step 3) are opened by going to http://www.portchecktool.com/
If OK, go to next step

c. Point your Browser to you global server IP, port 9443:
For example : https://206.a.b.c:9443/admin

If this step is OK, you’ve almost finished.

  1. Read the note and follow the steps posted above

to have DDNS. Then finish your configurations.

I think this is the maximum I can help you with. The rest is in your hands. Good luck.

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