Questions tagged [hardware]
For questions concerning IoT hardware, hardware recommendations, and hardware support. Read the full tag wiki before asking for hardware recommendations; there are specific requirements for a good question. Additionally, consider asking at Hardware Recommendations for general hardware questions.
107
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Running Philips Hue Entertainment with 3rd-party lightbulbs?
I bought this innr light bulb for my Hue system and it works just fine except for the fact that it isn't compatible with Hue Entertainment. As it turns out, no 3rd-party light bulbs are supported by ...
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1
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Can environmental polluting gas sensors detect emissions of a low speed passing vehicle? [closed]
I am thinking to develop a remote-sensing applications for vehicle pollutions. In such cases generally expensive optical IR and UV sensors are used because more precise.
On the contrary gas sensors ...
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6
votes
2
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Zigbee controlled signal routing?
I'm thinking of a possible way to allow Hue Bridge to command simple signal routing.
I find myself rewiring my audio setup a lot and was about to just make a simple passive signal chooser dial box, ...
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8
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1
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Hacking a Google Home device to put a "hard switch" on its microphone
It's my understanding that Google Home devices all have a soft switch for their microphone; i.e. no physical circuit is broken when you turn it "off".
Is it particularly difficult to open it up and ...
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1
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258
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Cheap PoE board with TCP/IP support
I have a small IoT project where I want a network enabled electrical relay. I do not need full network plug nor linux on it. It just should be small and cheap. I feel smart enough to write a small ...
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3
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3
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List of BLE hardware devices & what BLE services that they support
I'm looking a simple reference list that would shows me the supported BLE Services on each devices - for example;
MIO Heart Rate Global -> (Heart Rate 0x180D)
Archon Wireless Bike
Meter -> (Cycling ...
- 179
4
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0
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99
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Devices wth Support for BLE Services 'Location and Speed' and 'Heartrate'
I need a BLE test device that supports at least
Location and Navigation (0x2A67) 1
Heart Rate (0x180D)
and optionally
Health Thermometer (0x1809)
Can anyone recommend one?
Edit: I'm not looking '...
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12
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2
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535
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What are affordable solutions to air quality monitoring system?
I would like to measure the air quality related to road traffic in a city for an IoT application.
The European Environmental Agency has defined quality indicators (good, bad, etc) according to the ...
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4
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Why are Zigbee hardware modules so expensive?
The Zigbee hardware looks quite simple to produce1, why are they so expensive?
For comparison I can get a 855 Mhz wireless module for 2-3€ but I can't find Zigbee modules under 15€.
[1]
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What is difference between a mote and a microcontroller equipped with sensors and connectivity?
Reading some papers about IoT and Wireless Sensor Networks (WSN) I came across mote devices and have seen there are lots of them.
I have understood that they are the leaves in an IoT system and that ...
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0
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How to reset motes (Telosb) at same time?
I need to start the motes to let them run at the same time, then monitor their behavior by their serial output, the only observer is my PC.
Except to restart the mote by pressing the reset button on ...
5
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2
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377
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What is the best sensor for the measurement of Carbon-dioxide?
I need to measure the amount of carbon-dioxide in parts per million (ppm) within a closed environment. Currently, I am using a MQ-135 gas sensor which has some sort of concentration on Carbon-dioxide. ...
6
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0
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269
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InfluxDB in Single Node Embedded IoT Applications
According to the Documentation for InfluxDB v1.4,
InfluxDB should be run on locally attached SSDs. Any other storage configuration will have lower performance characteristics and may not be able to ...
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10
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1
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Building an IoT product - what is the best way to avoid sharing in-house proprietary code?
I think it was hard for me to formulate the title. However, I can still explain my problem in more detail in here.
I am designing an embedded product which consists of cloud service and embedded ...
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0
answers
216
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How to Make Custom-Length Jumper Wires [closed]
I am prototyping a Wi-Fi thermometer with an ESP8266 and an HT11, it works on the breadboard (!) and now I am designing a 3D printable cabinet. I would like the final thing to be completely dis-...
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1
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Wio Node setup failed
To setup Wio Node, I installed the Wio Android app.
The procedure doesn't end when I try to connect Wio Device like the image.
After that I installed wio-cli and a driver for Mac.
Then logged in.
%...
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12
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3
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Smart deadbolt without motor -- Read-only Access
I have some needs
I'd like to ask my Google Home if my front door is locked.
I don't want my Google Home to be able to unlock my front door.
I don't even want my front door to be unlockable remotely.
...
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1
vote
2
answers
637
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Device for a motion tracker with BLE/Wi-Fi [closed]
I would like to know best alternatives to an Arduino or Raspberry Pi that has to satisfy the following specifications:
Has BLE (Bluetooth low energy).
Small size (https://www.kickstarter.com/projects/...
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5
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2
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150
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Motion sensor to monitor the movement of people
I'm about to start an investigation about people movement after a surgery (walk basically). I would like to know where should I start to look for movement sensors (pedometer/accelerometer). This ...
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17
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1
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957
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Are there any devices with open-source protocols over Wi-Fi?
I know how to program IoT using Arduino; but I want some ready made portable IoT devices that do not need any programming at device side. Just I want to buy and add these devices to the network (after ...
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0
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70
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Looking for a very low volume solenoid/water dripper [closed]
I need a way of dispensing a drop of water from an electronic signal, and am wondering if there are any devices which can do this cheaply. The volume doesn't need to be particularly precise, but I'm ...
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2
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Arduino Uno Vs Raspberry Pi [closed]
There are two common platforms which seem very common for IoT projects: Arduino Uno and Raspberry Pi. How would I decide which one would be most suitable for a specific project?
I haven't got a ...
-1
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1
answer
85
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What is the difference between beacon products [closed]
What is the difference between different beacon products from different companies? I want to develop iBeacon products, but haven't decided yet which to use. It seems to me though they are quite ...
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0
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Can I enable interrupts on GPIO16 of ESP8266?
Usually, the gpio16 is not used as gpio.
But we can read the state or change the state by writing directly to the registers.
WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) &...
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1
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Would RPI 3 serve as IoT server with MQTT?
I answered to the below linked question and started to think, what are the hardware specs for running an IoT stack of for example MQTT over LoraWan? Would Raspberry PI 3 survive or not?
I do not care ...
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1
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Looking for direction to find a specific hardware
I am struggling finding a specific hardware, here is what I need :
Bluetooth Low Energy Beacon
good range
Button on it to send a signal to my iOS/Android app
Possibility to switch off/on (not ...
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6
votes
3
answers
953
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Drawing parallels between building an IoT system and building a PC? [closed]
I am reviewing potential candidates for IoT position. The position in a industrial factory setting requires the candidate to contribute to the 4 stages of an IoT infrastructure as defined in the ...
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0
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129
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Are there anybody use Android based 4G module [closed]
Are there anybody who used android based 4G module, I have found out a 4G module based on Android system and support 2nd develop, which means we can use the application processor on there module and ...
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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 ...
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2
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What are the boot requirements for an IoT device for the automotive industry? [closed]
Are there any specifications for a IoT device that's targeted for the automotive industry? I refer to a standard that puts constraints on boot and restart times for both the HW and SW?
Let's say I ...
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1
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Controlling IoT device through a captive portal/web app over Wi-Fi & 4G/LTE simultaneously
Yeah - mostly some mad scientist stuff here.
I have an IoT project I'm working on where each device must be independently connected to each users phone and not connected to any central WiFi network. ...
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5
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Looking for a relay that can be controlled from .net web application (via TCP/IP)
As part of one new requirement for web application I am maintaining, we need to send a signal to a device in a factory when certain conditions are met in the application.
Sending a signal is simply ...
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3
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993
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Power reduction for Raspberry Pi GPS/GSM tracker
I've recently built a fully functional IoT GPS/GSM tracker with a Pi Zero for a college project and now that it's finished and done with, I would like to minimize the current draw of the entire system ...
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8
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As a Computer Science student, how can I develop skills for an IoT job outside of formal education?
In order to do well in a Computer Science related field, a college student has to do much more than just getting a degree—they must go above and beyond to be competitive with others in the field.
As ...
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2
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158
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How to check usb connectivity? [closed]
I want to check if UART usb is connected to PC or not from my embedded program. Is there any indication line I can get in usb to connect to interrupt pin to detect from.embedded setup? From PC side I ...
7
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2
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Z-Wave switches with 2-way switched lights?
I'm looking for a set of Z-Wave (preferably Z-Wave Plus) components to use in order to merge two 2-way light switch circuits and allow control of both lights from all switch positions. I've looked at ...
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2
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Can I run Unity AR on a single board computer instead of a smartphone? [closed]
Unity AR targets to Android and iOS. Are there single board devices that will run the custom apps created as if the device was a cellphone?
The device does not have to make calls, just run the ...
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1
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How does an Azure IoT Hub interact with Embedded/IoT devices?
I am working on the Azure IoT platform, and I understand how devices send data to the IoT hub (if I am not wrong, It is just web service call or something similar to that).
But I wonder how the IoT ...
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1
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How to start IoT development to send commands from IoT Hub to Device
I'm a .Net developer recently started working on WindowsAzure IoT, but my role is just creating web API's to provide data to client (Mobile App) sent by IoT devices.
I want to send commands to ...
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2
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Which open source IoT board would be appropriate for a surveillance tool?
In the sea of IoT boards I would like to ask some advice regarding buying a board.
Should be fast and compact (not Arduino)
Open source hardware
Should have Wi-Fi on board
Should not have Ethernet ...
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13
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1
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387
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Can I implement a (weak) entropy source in FPGA?
I'm working with an IoT platform in FPGA for evaluation and prototyping. I need to provide support for TLS, and for that I need an entropy source.
I understand that true random noise sources are ...
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Cheap IoT microcontroller with PoE
Can anyone recommend a simple micro-controller with some I/O (<8) that can be powered using PoE, something cheap like Raspberri Pi Zero. The requirements are:
Support PoE integrated. No power ...
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How can I design a simple Internet-connected controller for a sensor/heater?
I am in the process of creating a simple and cheap Wi-Fi PCB design that can send and receive messages to an app (through a cloud of course). I intend to attach this PCB to a fish tank temperature ...
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1
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Availability of Narrow band IoT modules or chipsets
The Narrow-Band IoT radio protocol seems to have been around for a few years, but I'm struggling to identify any manufacturers of devices that are actually available to buy (either from traditional ...
13
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4
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How does an experienced developer get started with IoT
I'm an experienced developer using variety of technologies as well as real time. I want to learn how to develop for a device which is not a computer, tablet, or any of the familiar devices everybody ...
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Receiving "ERROR" message from SIM800C module
Most of the commands I send to SIM800C module returns ERROR message to me.
For example:
If I sent AT+CSQ, it returns an expected response.
One of the basics commands that doesn't worked for me is ...
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1
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IoT for industrial warehouse management
Currently, I am using RFID technology for my warehouse management. My warehouse spans across 4 acres, I need to deploy so many RFID antennas and RFID readers to constantly scan the area for goods ...
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4
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Which microcontroller and programming language should I use for an Internet-enabled weather display?
I am a newbie in IoT and want to start my career in IoT. As I search on Google for startups in IoT, I found many blogs. And I found the languages used in IoT like C#, Java, Node.js, and the ...
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2
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Selecting a microcontroller for a battery operated data collection project
I am planning to measure water level in a well, which is about 10 m deep with maximum water level up to 5 m. My plan is to use ultrasonic sensor HC SR04 to measure depth, transmit it via ZigBee to a ...
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1
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661
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How can I detect Alexa's current state or change its current state with an external device?
I want to have custom wake-word for Alexa so I want to interface this Amazon Echo with an external device. I am wondering if it is possible to create a proxy device that would wake up Alexa if I give ...
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