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Newest 'power-consumption' Questions - Internet of Things Stack Exchange
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Learn more about TeamsQuestions tagged [power-consumption]
For questions about determining, controlling or reducing the power consumption of an IoT device. Every IoT device consumes power, make sure that the power consumption is the core of the question.
35 questions
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0
votes
1
answer
36
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Help selecting a microcontroler
I need you help, currently I`m searching for a microcontroller
That supports ultra power mode.
Has bluettoth support.
Can be waked up by a wireless interruption.
The microcontroller must be powered ...
1
vote
0
answers
45
views
Measure power consumption of an electric heater
I want to measure / monitor power consumption of an electric heater which is connected to a standard power outlet.
There are several meters on the market, however all I found could show only current ...
1
vote
0
answers
36
views
Mains circuit phase balancing relay?
I am looking for a device, like a special relay that would allow me to dynamically switch/move some of my home appliances between the 3 phases that I have on my mains circuit. Is this possible?
The ...
0
votes
0
answers
44
views
Most efficient wlan module for a bunch of rcars
I want to build up a rc car on my own which I can connect/steer via an app - either smartphone or computer. Not decided, yet. I also want to use multiple cars, each for a friend so let's say in the ...
4
votes
0
answers
561
views
Powering an ESP32 used for controlling solenoids remotely
Context
I am from a software engineering background, so I don't know too much about electric engineering apart from basic stuff like Ohm's Law (but willing to learn if needed). I'm building a garden ...
4
votes
1
answer
101
views
Comparative power requirements of various wireless networking protocols
Does anyone have a real- world comparison of various wireless networking protocols, such as Zigbee, LoRa, BTLE (and BT5, if there any production models to measure), even WiFi (any others)?
I am ...
2
votes
0
answers
151
views
Why are zigbee bulbs so underpowered?
Before switching to smart bulbs I had some pretty strong LED bulbs, which were super bright, and I was very happy with them. I think they were about 14w, maybe less maybe more.
However, after looking ...
1
vote
1
answer
80
views
Monitor Energy Usage
I would like to monitor energy usage of various appliances in my house. I hope to put a plug adaptor in which records the power usage. These are available commercially very cheaply, but often only ...
7
votes
3
answers
3k
views
Retrieve raw data from Smart Plug?
I want to monitor the energy/power consumption of household appliances (for example an oven) by using a smart plug. The problem is that I cannot get the raw data to my computer. The measurements are ...
1
vote
1
answer
93
views
IoT Light Power Consumption
I have a esp8266 which consumes around ~70 mA when active. I am controlling a light connected to it.
The deep-sleep can't be used here as the light has to be responsive to on/off signals.
What is ...
1
vote
0
answers
74
views
Sending load information from devices to the coordinator
I'm trying to build an IoT network in which IoT devices have some sort of processing power. For example, they are supposed to receive data and do some processing on them and then send them to upper ...
6
votes
2
answers
145
views
How relevant is the energy consumption of IoT and RF home devices?
I am designing and building my own house. I am very interested in automatizing several devices as blinders and lights.
In general, I am thinking in using Zigbee (Xiaomi and Aqara), RF and IR devices. ...
3
votes
1
answer
3k
views
Distance calculation based on RSSI value
I want to calculate the RSSI value of a Bluetooth module (HC05) and from the derived RSSI value I want to calculate the distance of the surrounding devices. I'm using an Arduino Uno r3 as a controller ...
5
votes
1
answer
312
views
Does powering NodeMCU with 3.3 V also power USB-UART module?
I want to power my nodemcu module with 3.3 V.
Does powering it with 3.3 V also power USB-UART module?
If so I do not want this as it eats the battery.
3
votes
2
answers
288
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NodeMCU connected with batteries stopped working after 2 hours
I connected nodemcu with batteries and uploaded a code which sends http post request every 10 min and goes to deep sleep. But after 2 hours node mcu stops sending the data.
Voltage regulator used is ...
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