In this scenario, you set up your own access point. Please note, in this case, a number of devices you can connect to the AP is really limited. VRELs 1, 2, 3 and 4 are physically located together, while VREL 6 and VREL 7 are in two remote locations, thus you may not be able to reach hosted AP.

Undergraduate / Bachelor / Engineering Students

You need to know how to handle 4×20 characters LCD screen. In case of doubt re-work on scenarios B1 and B2.
Warning: In no case should you give your AP the internal.IOT SSID name! You will mess up the laboratory environment and block other users from accessing network infrastructure. We consider this behaviour as hacking and it will be penalized under legal jurisdiction!

To fully experience this scenario, you need to book another node (one of 1,2,3 or 4), to let the other node act as your networking client. You can use scenario U1 for this purpose but mind to update network SSID and passphrase in your code, to let it connect to your server.

In this scenario, you will set up an access point and present on the LCD screen number of clients connected

On the LCD you should present that AP is active, its name (SSID) and passphrase (select one no longer than 20 characters, to fit single line). In the last line of the LCD, there should be present a number of connected devices.

Define some identifiers to separate and update AP's SSID and passphrase easily. To format lines for the LCD, we suggest using a char buffer of 20 characters (one full line) and some 2-3 integers for iterators. Remember to declare the LCD control class in your code. You do not need to instantiate WiFi communication class - as you have only one interface here, it is singleton class you can refer directly using WiFi. you will use loop() to display a number of connected devices to your network. There do exist asynchronous way (event-based) to do it, but here we use a simplified, blocking approach. If you want to test the other one, refer to the ESP8266 WiFi implementation for Arduino documentation. The devices that connect to your AP obtain automatically an IP address from your AP so actually it hosts a DHCP server out of the box!.

Following steps do not present full code - you need to supply missing parts on your own!

Describe activities done in Step 1.

…

Describe activities done in Step n.

Provide some result validation methods, for self assesment.

This section is to be extended as new questions appear.
When using the printed version of this manual please refer to the latest online version of this document to obtain the valid and up-to-date list of the FAQ. Provide some FAQs in the following form:
Question?: Answer.