All Questions

0
votes
0answers
6 views

Why does Gmail take longer to search my inbox than Google takes to search the entire web? [on hold]

Why does Gmail take longer to search my inbox than Google takes to search the entire web? Why Google takes more to open the inbox directly?
1
vote
0answers
8 views

Carrier Specific Processes details

I'm looking at creating my own IoT module and want to understand the various certification processes. I've read this: Will using a GCF/PTCRB certified module in my design risk the device getting ...
1
vote
0answers
9 views

Smart light: change colour schedule

With Philips Hue or Yeelight you are able to create a schedule to turn on the light. I would like to set a timer to automatically change the light colour (i.e. before going to bed) only when the ...
3
votes
2answers
63 views

IoT app and software

I'm new to IoT and this is my first project, I didn't find the answer to my question anywhere. Is there an app for Android and Windows software that can control an Arduino device from different ...
2
votes
0answers
37 views

Using excess power from solar station to automatically power a pool heater in another location [on hold]

I have a solar inverter (Fronius Symo 15.0-3-M) and a pool heater, neither are smart. I want the heating to turn on when there is excess power from the solar power station so that the excess ...
5
votes
2answers
48 views

Sensors under increased pressure

I am wondering how the DHT 22 (measures humidity and temperature) sensor would work under double or triple atmospheric pressure (rough calculations have been done but it will vary and the exact ...
1
vote
1answer
49 views

Camera with doorbell separately that is connected to the server?

So I wanted to set up a camera that surveys every few second and a doorbell with a sensor where I can see the person when someone rings it. I wanted the camera and the doorbell are placed separately, ...
1
vote
2answers
41 views

Control electric plug remotely

I have an electric water pump, which I want to control over the internet. Currently I know that smart plugs can be used but this requires me to be in the same WiFi network. Are there any smart plugs ...
4
votes
2answers
34 views

Are all functions available on all Google Assistant devices?

Is there any difference in the Assistant functionality available on a Google Home compared with a non-Google product such as a soundbar, TV, etc that happens to have Google Assistant on it?
1
vote
0answers
28 views

Microchip RN2903: TX/RX distance with internal antenna

My question is about the maximum transmission distance achieved with the Microchip SoC RN2903, only using its internal antenna. I've been doing field tests in urban environments, with this module and ...
4
votes
0answers
18 views

Provisioning “things” on AWS IoT without certificates confusion

I am new to AWS IoT. I wish to use AWS IoT's feature called JITP (Just In Time Provisioning) to provision my gateways automatically. I am using BeagleBone boards as device gateways. I followed the ...
5
votes
1answer
113 views

Sending data from remote locations

I am a member of the Ardingly Solar Team, a group of students designing and building a solar powered car to race in Australia in the world solar car challenge. I have designed a system that collects ...
4
votes
2answers
247 views

Ikea TRÅDFRI gateway

I’m looking into the ikea TRÅDFRI to use with my HomeKit setup but keep reading the gateway requires internet access. What does it need the internet for? Does it need an external service?
1
vote
0answers
37 views

All attacks on internet of things mentioning their application, layer, solution? [closed]

Doing research to make complete model which include all devices (falling in IoT) on which layer attacks occur and their specific solutions but mostly covering just 1 or 2 attacks and their solutions. ...
3
votes
0answers
31 views

SCT-013-000 with Arduino MKR 1300

Has anyone tried to use this particular sensor (SCT-013-000) with that particular Arduino (MKR 1300)? Cause I keep getting different results when connecting Arduino UNO and then trying the MKR, both ...
2
votes
1answer
45 views

Would there be an IoT use cases where sensor and actuation are at two different locations

I am thinking of application that if there is fire or machine failure at remote location, then some action (like an alarm or emergency light) is taken at a different location. (Like a control or ...
2
votes
1answer
23 views

Why does echo dot audio play through my laptop after bluetooth pairing?

I am trying to use echo dot as a bluetooth speaker for my laptop (Fujitsu Lifebook - win7). In the bluetooth devices windows on the laptop I can see and pair with the echo dot, but after pairing I can ...
3
votes
1answer
36 views

MQTT messages hit queued or inflight limits, is it stated somewhere it's the oldest messages that are dropped?

I am learning MQTT in python and the protocol for QOS = 1 and 2. I'm concerned about my Raspberry Pi getting too bogged down, or if there are other unexpected problems at the server. I can see there ...
2
votes
0answers
31 views

out-of-the-box sensor nodes ready for deployment [closed]

I am on the lookout for sensor-nodes that do not require any DIY or sensor interfacing. Purpose This is because, at times one might just want to setup an IoT Network without having to program or ...
1
vote
1answer
31 views

Adding Metadata within MQTT client in order to be available for querying in InfluxDB

Scenario I wish to deploy sensor nodes that publish sensor data to a central MQTT Broker and then send this information to InfluxDB. Requirements Adding metadata to the Sensor nodes whilst ...
2
votes
0answers
14 views

If XBee modules from Digi use Silicon Labs chips and their stack, why then would I need them?

I recently came to know that XBee modules from Digi use Silicon Labs chips and the Silicon Labs ZigBee stack, so I ask, if I can use the Silicon Labs chips directly with Simplicity Studio as well as ...
4
votes
2answers
54 views

Timer 300-W Smart Dimmer Outlet

I have a 300-watt floor lamp in my bedroom with a built-in dimmer. Living in the northern hemisphere, mornings are darker now, and I'm having a harder time waking up in the morning. I'd like to have a ...
2
votes
1answer
36 views

Connect to I/O remote through VPN router

I have two I/O remotes hooked up to a router running as an OpenVPN client. I am trying to connect to the devices from remote, but it is not working. The VPN connection works fine, and I can access ...
2
votes
0answers
25 views

Read I²C Sensor via openHAB

I am using a voltage sensor which communicates over I²C, a Python script is handling all the communication and logic in a Raspberry Pi. Since I want to switch to openHAB I am wondering how to read ...
4
votes
1answer
39 views

Scanning for Device

What kind of technology does the Google Home and Amazon Echo/Dot use when you set up the device for the first time and their respective apps "scan for device" before they're connected to Wifi? I'm ...
6
votes
1answer
54 views

Privacy with Voice Assistants

I am interested in getting a Smart Home system with a good voice assistant, but my wife refuses to allow a voice assistant like Google Home or Amazon Alexa because she does not want ANY recordings ...
1
vote
0answers
31 views

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 ...
1
vote
0answers
49 views

Does MQTT inresponse can cause a reset due to network activity?

Setup description: I have 8 ESP8266s running an Arduino code to control windows shades up and down using relays, local switches and MQTT for remote operation, which work OK for the past few weeks. ...
1
vote
0answers
10 views

How does UHF RFID remain sufficiently insensitive to product-dependent frequency shift?

A recent paper given at the ACM Workshop on Hot Topics in Networks describes a system that analyzes the variation in the EM response of UHF RFID tags on containers, due to variation in the chemical ...
2
votes
1answer
31 views

Is static IP needed if using VPN to connect to IoT devices?

I have an IoT solution that I need to connect to from remote. I don't have access to open ports nor set static IPs on-site where the IoT devices will be hosted so I was looking for other solutions. ...
2
votes
1answer
24 views

Why there is no LPWAN technology in HF or VHF band?

This is a question which I have been wondering ever since I started exploring LPWAN technologies. All the LPWAN technologies I have found (like SigFox, LoRa, Ingenu etc.) work in UHF band (300 - 3,...
2
votes
0answers
45 views

Send wirelessly very small amount of data

I need to transfer wirelessly a message of maximum 5 bytes of data (including everything such as start bits, stop bits etc etc). What I tried: Empty Ethernet package is at least 56 bytes according to ...
1
vote
0answers
10 views

Sigfox Callback CustomValue's issue Sending NULL instead of wanted values

I'm working on a project, and I want to use a Sigfox callback to send some data. But when I want separate my payload as I coded it, all my values on Callback are NULL. This is my Callback, and this ...
2
votes
0answers
33 views

How does LoRa based geolocation work? How does it measure distance?

The speaker in the video Richard Lansdowne - LoRa Geolocation mentions straight-off that he won't be quoting an accuracy for geolocation using LoRa, and it's of course not the ideal signal you would ...
3
votes
0answers
29 views

Lorawan packets datasets

I'm studying Lorawan protocol. I would like to know if some datasets exist to study LoRaWAN packets, parameters and some features.
1
vote
0answers
18 views

How will the Proxima I and II satellites use or test LoRa in space?

IoT Aukland Tweet references FleetSpace and launch of the Proxima I and II satellites. This put's the "W" in LoRaWan in a different perspective. How will these test LoRa in space? Is there any ...
0
votes
1answer
44 views

Reverse rpc/device control

Is there a common standard/practice for having an IOT device establish a connection to a command and control server, and then act in a server role (i.e. the C&C sends requests to the device and ...
4
votes
1answer
29 views

Thingspeak: message limit, update limit and bulk updates

I am looking at ThingSpeak for logging sensor data. I would like to log three different variables at a frequency up one datapoint per second. This would be 86400 samples per day or 259200 values per ...
3
votes
0answers
29 views

Lua for ESP32: How to obtain time from an NTP server or from time.is or?

I'm working with Lua on the ESP32. I see that contrary to the Lua implementation for the ESP8266, there is no NTP module (correct me if I am wrong). I have been looking at the net library, but am too ...
1
vote
0answers
28 views

Connect IoT devices to AWS

I have a Moxa I/O Remote connected to a Raspberry Pi running some scripts through pymodbus. I am using MQTT to publish & recieve changes/requests in the I/O remote to a web service. The idea is ...
6
votes
2answers
36 views

Make Embedded Board NTP Server for Arduino boards in the subnet

I have an Embedded Board where the distribution on it is a custom Linux Distribution based on Yocto. I have added ntp and via ntpd I will sync time with the common ntp pools either via UMTS 3G dongle ...
1
vote
0answers
15 views

Where do SonOff schedules reside?

Using the stock firmware, I've set up a schedule for my one SonOff RF using the app on my phone. Observation suggests that this schedule is not running, and I wonder if this is because my phone is ...
2
votes
0answers
12 views

How to optimise WiFi and ZigBee Coexistence

Assuming I'm not ready to give up 2.4 GHz wifi just yet, and I'm mostly immune to interference from nearby installations (i.e. I have control of any relevant configurations), what should I be doing to ...
1
vote
0answers
20 views

Change Cloud URL using SimpleLink App for TI CC3200 SensorTags

I have some TI CC3200 Sensortags WiFi which I want to use out-of-the-box (without programming anything) Purpose I want to send the sensor information from the sensortags to an MQTT broker running on ...
2
votes
1answer
19 views

“No connection” reported on Iris By Lowe's Android app for WIFI-enabled Whirlpool Water Softener (WHESCS)

Not sure what caused it, but my water softener stopped connecting to the Iris app recently. Has anyone found an easy solution?
4
votes
1answer
30 views

How can I associate an smart outlet with “lights”?

I recently added a Eufy Smart Plug to my setup. It's currently controlling a floor light. However, Google Home doesn't recognize it as a lamp, so when I say "turn on the lights" or "turn off the ...
5
votes
1answer
27 views

How to trigger on solar noon in Home Assistant?

The sun component has sunset and sunrise events, but I would like to trigger on solar noon. This page tells me I can use the elevation for this. What number should I enter to achieve what I want?
4
votes
0answers
41 views

MOXA Modbus with Raspberry Pi – Can't get slave to work

I have two Moxa modbuses that I have daisy-chained together, and then connected to my network's ethernet port. The modbuses are hooked up to a control board with LED lights for the coils and buttons ...
3
votes
3answers
162 views

Options for cheap and “open” wireless thermometer/humidity sensors

I'm starting to explore IoT in my home, the first step being to connect a raspberry pi 3 B+ to a DHT22 temp/humidity, record DHT readings in a database which I then surf via a node server running on ...
5
votes
1answer
36 views

Set up Yeelight (Color) in both Yeelight an MiHome app

I have recently purchased a Xiaomi Gateway with body motion sensors for automating lights in my house. I already had a couple of Yeelight Led Bulb (YLDP02YL) set up with the Yeelight app, in which I ...

15 30 50 per page