Community Digest

Top new questions this week:

Ifttt not filling fields

I have a Bosch Easycontrol thermostat and it's supposed to be compatible with ifttt. What happens though is that I click on the integration and no matter which action I choose, the field "which ...

asked by ChatterOne 2 votes
answered by ChatterOne 2 votes

ESP32 transmit data over BLE VS Wifi

I am working on a project where I have got an ESP32 device (Wifi & Bluetooth), which reads data from some sensors, such as temperature and soil moisture (outdoor environment). The data is then ...

raspberry-pi wifi esp32 bluetooth-low-energy  
asked by Edge7 2 votes

MQTT Client Broker communication - can a malicious client masquerade as a legitimate one after being connected with credentials

I would like to ask a question that I have about MQTT client broker communication. Let's say, a client C1 is connected to the broker with user name and password (with no encryption). What happens when ...

mqtt security  
asked by Rijo Varghese 1 vote
answered by hardillb 3 votes

Greatest hits from previous weeks:

What's the difference between the Pelco D and Pelco P protocols?

Pelco uses 2 different protocols to send PTZ (Pan, Tilt, Zoom) commands to cameras: Pelco D and Pelco P. I'd like to understand the difference from a high-level perspective. Are they meant for ...

protocols digital-cameras  
asked by Fabio says Reinstate Monica 5 votes
answered by Paranoid 1 vote

Can I use a smart plug with an air conditioning unit?

I am hoping to be able to use a smart plug with my window air conditioner. I currently use the TP Link HS 100 plugs around my home, but I am unsure if they could handle the amount of power an air ...

smart-home smart-plugs tp-link  
asked by Jman 7 votes
answered by Sean Houlihane 5 votes

Do all Internet connected Things use the same "Application - TCP - IP - Hardware" stack to communicate?

I am not particularly internet savvy, and IoT technologies are especially confusing for me. I was reading this Stanford white paper on internet structure. In Diagram 2, it shows a representation of ...

networking wifi protocols  
asked by BestMillimeter 15 votes
answered by julian 26 votes

How do I force my Amazon Echo to update to the latest version?

Version 4812 of the Echo software apparently includes the new 'Computer' wake word, which seems really exciting. However, my device is still running version 4540 and hence doesn't have the wake word ...

asked by Aurora0001 10 votes
answered by Sean Houlihane 4 votes

MQTT broker accessible from outside without opening port in firewall?

I'd like my MQTT broker to be accessible from outside my home network, but I'm a bit reluctant to open a port in the firewall. And I'd like to avoid using my home IP. It's pretty convenient to have ...

asked by Thomas Jensen 9 votes
answered by hardillb 10 votes

How do the AirPods communicate with the phone?

By reading the iFixit Teardown, one can realize that the AirPods use the W1 chip for wireless communications. Since both Airpods are wireless, there are questions still unanswered. Do both Airpods ...

hardware bluetooth bluetooth-low-energy  
asked by toniotgz 5 votes
answered by sob 6 votes

Can Mosquitto support multiple brokers?

I've been considering Mosquitto for a MQTT message broker for a home IoT network, but I'm concerned that the broker could be a single point of failure which could bring down my whole network if it ...

networking mqtt mosquitto  
asked by Aurora0001 21 votes
answered by Ghanima 13 votes
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