Questions tagged [nodejs]
7 questions
5
votes
1 answer
node-red - Metrics display with pm2?
The Node-RED documentation is clear - set metrics to true to track flow execution and memory usage information. So, I stopped Node-RED with pm2, edited the settings.js file and started Node-RED. But, no metric output is seen in the…
cogitoergosum
- 1,091
- 7
- 18
3
votes
0 answers
What commands should I send to Tasmota (DHT11) via MQTT Broker to receive status as message in my NodeJS script?
I cannot find how to send command to my Tasmota DHT11 device via MQTT Broker.
I'm using mqtt.js library in Nodejs.
var mqtt = require('mqtt');
var topic = 'cmnd/tasmota_E30D62/';
var client =…
Henri
- 131
- 1
2
votes
0 answers
Alexa - Confirm AMAZON.Number slots
I have an intent to request a bank account info by it's number. I tried with only one slot of AMAZON.Number but if the account number is ***012345, Alexa understand this as ***012337 (last two digits are wrong). So now I use five slots for this…
Ninita
- 153
- 4
1
vote
1 answer
Send Alexa a command from another device?
I'm in the process of creating a Raspberry Pi-powered home automation system. I have a complicated node.js script running on the Pi, and I want to be able to send commands from the Pi to my Alexa (e.g. turn on lights, say something, etc). I've…
Blue Herring
- 113
- 3
1
vote
1 answer
decoding data sent from an esp32 using esp-idf over serial in nodejs
I have an esp32 board loaded with this software which is logging values about the number of detected wifi and bluetooth devices detected via LoraWAN. In senddata.cpp it seems to be logging out the values that I need (though I'm not quite sure I…
mheavers
- 121
- 3
0
votes
1 answer
MQTT Client: Listeners Exceeded Warning
I'm a newbie building an IOT system comprised of two clients, the first client (Client A) will be a Subscriber and the second client (Client B) will be a Publisher. For the Broker, I intend to use something hosted (e.g. Cedalo).
Right now, I don't…
TimH
- 3
- 1
0
votes
1 answer
Benefits of Greengrass over IoT SDK
What are the benefits of using the Greengrass vs the Node SDK package?
We have a software stack happily interacting with IoT Core services (running on buildroot) using the Node SDK. I'm trying to understand the benefits of converting over to a full…
Steve
- 103
- 2