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Newest 'wireless' Questions - Internet of Things Stack Exchange
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Learn more about TeamsQuestions tagged [wireless]
For questions about non-wired communication in IoT devices, particularly where you do not have a specific protocol or transport in mind.
77 questions
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Is LoRa Suitable for Short-Range, Real-Time Data Transmission in Residential Environments?
I'm working on a project where I need to wirelessly collect data from utility meters in European residential homes. The setup involves a point-to-point connection between a meter reading device and a ...
0
votes
1
answer
37
views
Why do cellular dongles lose internet connectivity? [closed]
I have a Pi Zero device that needs to send periodic updates from remote locations. I thought the easiest way to do this would be to have a USB cellular dongle and send the data via email. This does ...
2
votes
1
answer
161
views
SX1278 LORA TX Antenna Frequency Matching
During a range testing for Ra-02 Ai SX1278 LORA, I noticed a strange behavior. Following are the settings that I used. Tested distance is 1200m line of sight. We tested the setup for different antenna ...
0
votes
0
answers
29
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Door lock detection system
We have some doors that already have basic open/closed electic loop built in (micro switch based, unknown system, something like older version of https://www.adiglobaldistribution.us/Catalog/shop-...
1
vote
0
answers
49
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What simulator is appropriate for modeling intrusion detection and prevention in large-scale static wireless sensor networks and simulated attacks?
When it comes to simulating intrusion detection and prevention in large-scale static WSNs, the choice of simulator is crucial. These networks, comprising stationary sensors (independent low-power ...
2
votes
0
answers
45
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Best way to implement public blockchain for IoT?
I'm attempting to build a blockchain network of IoT devices that would allow public access such that any person around the world could push data to it and there would be an immutable record of all ...
2
votes
1
answer
871
views
Matter node behavior in Matter protocol
What is the difference between MQTT and Matter protocol? Can I send Matter message between two different networks if Matter devices using link-local address?
1
vote
0
answers
50
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OpenMote B wireless communication
Is it possible to make two "OpenMote B" devices communicate with each other (through WiFi or on other frequencies), transmit and receive data?'
If yes, is there an example of such code to ...
1
vote
0
answers
63
views
0
votes
2
answers
128
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Sending sensor's binary signal to the cloud through a wireless settings
I’m relatively new to iot and I'm looking for ways to send a binary signal from a tiny sensor (size of a coin) to the cloud through a wireless setting.
Basically, sensors would emit a simple binary ...
4
votes
1
answer
398
views
Standalone NFC/RFID with WiFi/ethernet network connection
I spent many hours looking for a device for my iot project. So far, everything I find does not meet my expectations. I prepared two prototypes - one based on rpi zero and one based on esp32, but I ...
1
vote
1
answer
184
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Which radio technology for long distance, high(er) power, IP traffic?
I'm looking to build a long distance IP star network using one of the IoT PHY layers but unsure if LoRa is right. An ideal solution would be something to the effect of 915Mhz WiFi or WiFi HaLow ...
8
votes
2
answers
23k
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Why arp -a does not show all devices connected to WIFI? [closed]
I am trying to see the IPs of all the devices connected to my WIFI. Everyone suggests to use the command arp -a in the terminal but when I do so I get always the same list of devices. I try to connect ...
1
vote
0
answers
55
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Are there still any cheap hardware solutions to providing IoT devices with cellular connection with the shutdown of 2g networks
I am currently attempting to design a small custom PCB based IoT business cards that communicate over a cellular network for the purpose of impressing employers. Since I will literally be giving these ...
-1
votes
1
answer
104
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Non-locally Electrically Programmable Logic Gates - Technological Advances Progress
Preface: I’d like to clarify that I understand what a relay is and that a PLC uses a fairly conventional microprocessor that only digitally establishes logical logic gate configuration as a digitally ...
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