All Questions
59 questions
2
votes
1
answer
210
views
IoTAgent JSON MQTT and timestamps attributes
I am trying to integrate MQTT devices with the FIWARE JSON IoT agent and I have some doubts about it.
The goal I want to achieve is to try to provision devices through DeviceMeasurement entities to ...
- 31
0
votes
1
answer
103
views
When more load FIWARE Orion service getting error 'Timeout was reached' forwarding 'Update' to providing application
I am trying to provision a device and send actuation commands back using 1 component Orion.
I have successfully provisioned the device using to update orion query:
curl -iX POST \
'http://orion:1024/...
1
vote
0
answers
96
views
FIWARE IoT Agent is changing the service path of incoming message
We are currently using the VernemQ MQTT server in conjunction with a FIWARE stack that comprises the IoT Agent and Orion Context Broker. When sending data to the IoT Agent, we utilize the message ...
- 11
1
vote
0
answers
44
views
How to realize the ERROR Path for Commands using MQTT-binding of the FIWARE IoT-Agent-JSON
from the FIWARE IoT-Agent-Json documentation I understand that there is the happy path and error path for command execution (https://fiware-iotagent-json.readthedocs.io/en/latest/usermanual.html#...
- 66
0
votes
1
answer
55
views
Fiware - prevent data loss due to network issues between sensors and Orion
I'm wondering about how to prevent data loss due to network issues between sensors and Fiware Orion.
Example:
A smart industry is using some sensors and actuators connected to PLC.
This PLC is an OPC ...
0
votes
1
answer
177
views
How to create IoT devices using UltraLight 2.0?
I'm doing this tutorial to use Orion Context Broker in an IoT system. However, he does not explain how he created the sensors. Any idea how to do this?
1
vote
0
answers
91
views
Send NGSIv2 data to Orion Context Broker
I explain the problem. I need to register a client to an Orion context broker. The client (OMALWM2M) is connected to the IoT Agent which acts as a bridge with NGSI. My problem is that when I connect ...
- 11
0
votes
1
answer
113
views
Problem coomunication beetwen leshan client and iotAgent Fiware
for a project i have to connect the Eclipse Leshan Client to a IoT Agent Server.
My problem is to read the device's mesurements with Postman or cUrl command.
The client after the configuration of the ...
- 11
0
votes
1
answer
293
views
How to connect an actual (hardware) iot device to FIWARE Orion Context via the IoT Agent for JSON
Is there any tutorial or guide to follow and connect a hardware IoT Device via the IoT Agent for JSON? All the tutorial are working just fine with the virtual provisioned devices but there is no ...
2
votes
0
answers
70
views
IoT-Agent checks default attributes that are not in the iot payload
I have a test environment where I have configured a service group for the JSON IoT Agent with a legacy expression in it:
{
"_id": "60acc2d549e4721ae5087356",
...
1
vote
1
answer
421
views
Fiware IoT Agent Json refused to POST to /v2/op/update
I am interested in fiware IoT Agent JSON, and i tried to work things out.
I've mange to install the IoT Agent JSON using this tutorial.
The tutorial refers about IoT Actuator Connection and to check ...
- 114
1
vote
1
answer
197
views
IoTAgent-LoRaWAN is apparently not working as expected
I was trying to provisioning the IoTAgent-LoRaWAN using the TTN credentials, I'm following the official docs and this is my POST request:
{
"devices": [
{
"device_id": &...
- 185
0
votes
2
answers
560
views
IotAgent UltraLight over MQTT is not processing values from MQTT broker
I am following the tutorial under:
https://github.com/FIWARE/tutorials.IoT-over-MQTT
Steps 1 to 3 are followed exactly as in the tutorial (working fine), in Step 4 I am using mosquitto_pub to publish ...
- 81
2
votes
1
answer
242
views
lazy attribute in the IoT Agent of FIWARE
I'm trying to set the IoT Agent UL of FIWARE in the "lazy" configuration.
I cannot find info/example/doc on the net.
Could you help me?
Thank you
- 133
0
votes
1
answer
225
views
FIWARE OPC-UA. Add source timestamp to metadata
I use the fiware iot-agent opc-ua https://github.com/Engineering-Research-and-Development/iotagent-opcua. How can I get the sorce timestamp of an monitored item from the opc-ua server and add it to ...
