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.

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0answers
65 views

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 '...
3
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2answers
134 views

What are the boot requirements for an IoT device for 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 ...
3
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3answers
1k views

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 ...
3
votes
3answers
426 views

DIY smart button to trigger phone app

I am planning on making a button that is when pressed sets an alarm on my phone. I am planning on making an app that is creating the actual alarm, the app just have to be triggered by the hardware ...
3
votes
1answer
66 views

Is static IP needed if using VPN to connect to IoT devices?

I have an IoT solution that I need to connect to from remote. I don't have access to open ports nor set static IPs on-site where the IoT devices will be hosted so I was looking for other solutions. ...
3
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2answers
53 views

ESP32 always high pins screwing analog measure

TL;DR When trying to use some pins of my ESP32 to read analog signals, it turns out those pins have a non-zero voltage, messing up the measurements. Why? I got myself an Olimex ESP32-POE-ISO (see ...
3
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2answers
252 views

Choosing a microcontroller for IoT project

I'm currently working on an IoT project. The principle is to have a box that could connect to a phone over Bluetooth on some NFC contact. After the phone and the box will communicate messages over ...
3
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0answers
57 views

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 ...
2
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1answer
666 views

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 ...
2
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1answer
60 views

How to program my own smart home with raspberrypi 3? [closed]

Hello smart home enthousiasts, I'm a software engineering student and I want to start a new project for myself. I really like smart home stuff, but I don't want anything to do with google or amazon. ...
2
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0answers
66 views

Seeking a board (STM32?) for Ada coding - are you experienced? [closed]

I am looking for a board, and think that I need someone to say that they have used it, rather than googling for it. In the immortal words of Jimi "are you experienced?" I would like to program in Ada,...
2
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0answers
41 views

out-of-the-box sensor nodes ready for deployment [closed]

I am on the lookout for sensor-nodes that do not require any DIY or sensor interfacing. Purpose This is because, at times one might just want to setup an IoT Network without having to program or ...
2
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0answers
385 views

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) &...
1
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2answers
149 views

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 ...
1
vote
2answers
176 views

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 ...
1
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2answers
34 views

How to control an ESP8266 via the Wi-Fi?

Summary I would like to build (ideally based on ESPHome) a device with a buzzer I can trigger remotely via the network. Context I have several systems built around my home automation system: Home ...
1
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1answer
195 views

Sonoff basic- GPIO’s

As far as I found documented- there are GPIOS 0, 12, 13, 14 on a basic Sonoff. Does anyone know if Tx/Rx are free to use after uploading my code, as GPIO’s ?
1
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1answer
34 views

Reading from sound sensors or gateways with high level languages

I was asked to implement a system for collecting data from a sound sensor. I have no idea where to start so I'm asking for some guidelines since IoT is completely new to me. The place where the data ...
1
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0answers
27 views

Guidance for a data logger and radio

I've currently been working with a consultant, whom recommended we utilize an architecture that is based off the Microchip ATMELAVR 8 bit Arduino framework. The board is called a Mayfly, picture ...
1
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0answers
34 views

mail in box detector

I would like to monitor my physical mailbox so I can know when something is inserted in it. The reason is this was an abandonned mailbox for years so people are used to put the junk mails in it (...
1
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0answers
36 views

How to keep users from breaking buttons [closed]

Simple problem, if I have a large button a user can put their hand on then I'm afraid they can put too much force and break the electrical button underneath. If I make the external button bottom out ...
1
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0answers
475 views

ESP32: no signal output on I2C bus [closed]

I have an ESP-WROOM-32 (I2C master) and an ATmega328p (I2C slave, address 0x03) assembled on a prototype pcb using external 6k8 pullups. I'm using the ESP's default I2C pins 21 (SDA) and 22 (SCL) as I ...
1
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0answers
109 views

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-...
1
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0answers
59 views

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 ...
1
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0answers
119 views

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 ...
0
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2answers
552 views

Device for a motion tracker with BLE/Wi-Fi

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/...
0
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1answer
44 views

Search for a device that uses a mobile sim and that acts on a relay by ringing the sim

I am looking for a device that has an internet connection via a mobile sim. It allows owners of enabled telephone numbers to switch a relay by ringing the device sim. The system will be used to allow ...
0
votes
0answers
9 views

How to use the new tools to do development on my ancient Fez Hydra

I dug out my ancient mainboard Fez Hydra and am trying to use to do my hobby project. Upon reading the instruction, I found that it requires to install VS 2013. I have VS 2019 installed already and I ...
0
votes
1answer
23 views

Identify the ancient IOT hardware model and find out its driver

Found from the bottom of my gadget box, I am trying to use this board for my hobby project, but I cannot even remember what model it is. Could anyone help please to identify the model of this board? ...
0
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1answer
28 views

Bluetooth Input Hub

I am wondering if anyone knows about some existing 'off the shelf" hardware options where some device could connect to this Bluetooth "Input Hub" where this hub can have inputs plugged into it and any ...
-2
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2answers
674 views

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 ...
-2
votes
1answer
79 views

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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