Ho chiesto ha ChatGPT di crearmi un sensore di temperatura di tipo DHT11 che invii i dati tramite il modulo HC-12 ad un altro Arduino che fa da ricevitore.
Di seguito le richieste e le risposte che ho avuto.
If I have one arduino connected with one hc12 and other 2 arduino with hc12 on each is possible to receive the same information ?
Yes, it is possible to have one Arduino transmit data to multiple HC-12 modules, each connected to a different Arduino.
To do this, you would simply connect the TXD pin of the transmitting Arduino to the RXD pins of all the HC-12 modules, and configure them to use the same frequency and other settings. When the transmitting Arduino sends data, all the HC-12 modules will receive the same data, which can then be processed by their respective Arduinos.
However, it's important to note that in a scenario with multiple receivers, there is a risk of collisions or interference between the received signals. This can lead to corrupted data or lost packets, particularly if the receivers are in close proximity to each other. To minimize this risk, you may want to consider implementing some form of error checking or packet verification in your communication protocol.
Could you please write a sketch for both the trasmitter and the receiver ?
Certainly! Here are some example sketches for the transmitter and receiver using Arduino and HC-12 modules:
Connections:
DHT11 Arduino HC-12
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VCC ---------- 5V VCC
DATA --------- A0 TXD
GND ---------- GND GND
Connect the VCC pin of both the DHT11 sensor and the HC-12 module to the 5V pin on the Arduino. Connect the GND pin of both the DHT11 sensor and the HC-12 module to the GND pin on the Arduino. Finally, connect the DATA pin of the DHT11 sensor to the A0 pin on the Arduino, and the TXD pin of the HC-12 module to another available digital pin on the Arduino, such as 2 or 3. Note that the RXD pin of the HC-12 module is not used in this configuration.
Also, make sure to install the necessary libraries for the DHT11 sensor and HC-12 module, as described in the previous example sketch.