sob
  • Member for 4 years, 7 months
  • Last seen more than a month ago
How to pass two parameters in header using AT Command with SIM800 GSM modem?
5 votes

As per SIM800 AT command Manual, you can set HTTPParamTag to USERDATA and send content in HTTPParamValue. You can pack all key-value pairs into HTTPParamValue and parse to retrieve individual key-...

View answer
Are all functions available on all Google Assistant devices?
4 votes

There is negligible difference in the assistant functionality between a Google branded Google Home device vis-à-vis an OEM speaker with google Assistant. Lets, take Google Home and LG WK7 Speakers, ...

View answer
Camera with doorbell separately that is connected to the server?
2 votes

A doorbell camera will serve your needs. A good product is Ring Doorbell Cam Product Key Features Camera & Doorbell to Monitor Front Door 1920 x 1080 Video Resolution IR LEDs for Night Vision ...

View answer
How accurate is Google Home's voice recognition, especially where the speaker has a thick accent?
3 votes

This interesting and engaging Youtube video by WIRED shows 8 People Test Their Accents on Siri, Echo and Google Home. The test is based on 4 questions, asked by each person, to each device under test....

View answer
Are Android Things updates going to be delivered automatically?
2 votes

Is it true that Google will be pushing updates to IoT devices using Android Things without the device developers verifying that it works? Yes, for Android Things devices Google plans to push upgrades ...

View answer
How do you clear Alexa music history?
4 votes

Songs can be deleted from recently played list in Amazon Music account. Log into https://music.amazon.com Browse to "Recents: Played" on left side menu. From the list of songs, choose "Remove song ...

View answer
What would be the best way of authenticating users without password or username?
3 votes

You can consider attaching pcProx® Plus RFID readers with the machines, 1 per machine. You can use RDR-80581AK8 SKU. It is powered by 5V external power supply and supports RS232 for sending data in ...

View answer
How to cross compile Paho-MQTT-C library for ARM?
Accepted answer
3 votes

You are facing these build errors as you are missing the sysroot corresponding to the arm-gcc that you are using as your CC. You may try changing the Makefile as follows: diff --git a/Makefile b/...

View answer
When is Z-Wave S2 Security Mandatory?
4 votes

What's the real scoop on S2 security? I studied a number of products and corresponding Z-Wave Protocol Implementation Conformance Statement issued to these products. Products that feature S2 ...

View answer
Is there an IoT device which has Bluetooth, GPS, a USB port and which can support a module for an alarm?
5 votes

SIMCOM SIM808 module seems to meet the requirements for your device. Bluetooth: compliant with 3.0+EDR Specification for GPS Receiver type 22 tracking /66 acquisition -channel ...

View answer
How to get OSRAM Lightity ClientID and secret?
5 votes

As per OSRAM Lightify Public API In order to call the API endpoints you will need a set of valid client_id and secret_id. North America (NA) developers go to https://na-developers.lightify-api.com ...

View answer
Alexa Speaking Without Being Asked
2 votes

When Echo's Mics are on it is possible that some other spoken word or sound matches the wake work "Alexa". I have had a few occurrences of "Alex" and "Alexander" waking Echo. The only way to stop ...

View answer
Ultra Low Energy point-to-point protocol choice
3 votes

Given your requirements of range, power and proven stack Z-Wave is likely suitable candidate. Low Energy, battery powered Send-and-sleep Medium range (20-30m) Ready-to-use or easily ...

View answer
In IoT, Is it necessary to involve single-boards such as Raspberry Pi as the only communication devices?
1 votes

Are single boards always necessary when implementing an IoT connection? No, Single Board Computers aren't necessary. Single Board Computers provide a very effective way to build a proof of concept, ...

View answer
Which Wireless Frequency Bands could be preferrable for IoT in Aviation?
Accepted answer
4 votes

Is there any research done in finding optimal bands that do not interfere with the systems and could present IoT in Aviation as a strong application? Wireless Avionics Intra-Communications (WAIC),...

View answer
What is the difference between Echo and Echo Plus?
1 votes

First line of tech target article defines smart home hub as: A smart home hub is a hardware device that connects the devices on a home automation network and controls communications among them. ...

View answer
Which smartwatches have autorestart timers?
5 votes

The Xiaomi mi band 2 supports alarms that can be snoozed for 10 minutes. When an alarm goes off (lets say 12.00 PM), a tap on the band snoozes it for 10 minutes. A long press on the band stops and ...

View answer
Can I use Google Home in countries where it is not officially available?
Accepted answer
5 votes

Google Home can be set Up and used in other countries. This Beebom article provides a step-by-step guide of doing so. During setup you'll see popup: You may see a warning telling you that the ...

View answer
Which IoT platform should I use for low-energy temperature sensors to be powered by battery?
Accepted answer
13 votes

ESP8266 can be a very good candidate for your project. For increasing the battery life with ESP8226 you can follow this Open Home Automation article. Ways to save power save highlighted by this ...

View answer
Drawing parallels between building an IoT system and building a PC?
8 votes

The generics first Some of the candidates only talk about what they learned from building PCs Coming from PCs is not a problem, but, candidate should understand that an IoT device/product/...

View answer
How to create a home card in Alexa
5 votes

Section Creating a Basic Home Card to Display Text To create a simple card, include the card property in your JSON response: Set the type to Simple. Set the title and content properties ...

View answer
Which tools/frameworks do you use to configure an array of SBCs
4 votes

One of the choices for creating Embedded Linux distributions is Yocto. Yocto is open source collaboration project that provides templates, tools and methods to help you create custom Linux-based ...

View answer
How do the AirPods communicate with the phone?
Accepted answer
6 votes

Apple is keeping the technology it uses for AirPods under wraps, hence my answer is best attempt based on the information in public domain. Do both Airpods use Bluetooth technology? Yes, because ...

View answer
How is the IOTA cryptocurrency network useful for devices in the IoT?
Accepted answer
5 votes

I'd like to know what are some specific actual real world use cases As per IOTA FAQ What are the main use cases of IOTA? IOTA's main features (in its current form) are feeless micropayments and ...

View answer
Controlling IoT device through a captive portal/web app over Wi-Fi & 4G/LTE simultaneously
6 votes

Question 2.) Are there any other ideas that anyone can think of to solve this - even crazy ideas like XSS vectors to PUSH content into the captive portal from external servers? If I may suggest, you ...

View answer
How do I shut down IoT devices without a power button?
4 votes

What if there is a power cut? Is my data at risk? For most well designed commercial IoT devices you need not worry about sudden power loss. Let's take case on the Nest Thermostat. The Nest ...

View answer
Synchronizing two or more Google Home devices
3 votes

Multi-room group playback is possible by grouping any combination of Google Home, Chromecast Audio devices, or speakers with Chromecast built-in together for synchronous music throughout the home. ...

View answer
Is it safe to have a RFID card in the back of a Cellphone case
Accepted answer
1 votes

RFID card does not emit any electromagnetic signals when it is not close to a reader, it is designed to be passive. It is activated when brought in proximity to the reader. So RFID card cannot really ...

View answer
Should I use special characters in MQTT topics?
2 votes

Use only ASCII characters. ASCII format for Network Interchange specifies that the ASCII range extends from hexadecimal 0 to 7F, i.e., 128 characters. I think % should be supported but not °.

View answer
Raspberry Pi to send sensor's data to server continuously and receive commands from server
3 votes

By continuously I mean that streams like video are continuous If you are considering continuous video streaming from Pi then LIVE555 Streaming Media is a may serve your purpose. Live555 will provide ...

View answer