Relay control connected to the Arduino Mega

[shramik_salgaonkar]

@ptamp

The Cayenne polls the sensor every 24 seconds. How to reduce this time?

Sending MQTT messages within rate limits

Cayenne MQTT messages are currently rate limited to 60 messages each minute. If your client code sends messages at a higher rate it will have messages dropped and if it continues to send messages above the limit can run the risk of being disconnected or blocked. In order to keep your client sending messages below the limits make sure you only send data at intervals. For embedded devices like Arduino this means you should not send data by just using a virtualWrite() call within the main loop(). …

what do you get in the serial monitor when you press the button the cayenne dashboard?