User manual

the board will also light up after successful configuration. This also gives you feed-
back when the module is not connected to a PC with serial monitor. In this experi-
ment, however, the LED is needed for the feedback of the ping status. The query
takes place right in the next line of the configuration, too. The AT+PING-command
will be sent with the Google address as a parameter. You can query an IP address
from your local network instead of this address as well. In case of success, a mes-
sage will appear and the LED D3 as mentioned will be activated. As the last ac-
tion, the program will jump to the loop-function, which in turn will call the serialDe-
bug()-function. You can therefore, test further commands after the program and
thus ping, e.g., further addresses.
1.3 | Recognition of a network
This chapter is, among others, about a smaller hardware setup for the first time.
The target of the project is a kind of alarm system that will react when a specific
network comes into range or is switched on.
Only two parts and some wire are used. The pre-
cise setup can be taken from the setup images.
Connection of the Piezo speaker
Required parts
1 x pinboard, 1 x NanoESP, 1 x piezo, circuit wire