Questions tagged [arduino]

For questions related to the IoT applications that use Arduino. If question is about software or hardware issue with Arduino, consider whether asking it at Arduino Stack Exchange would be more appropriate.

126 questions
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2 answers

What is a good way for an IoT device to receive its network settings?

I'm in the process of building an IoT device using ESP8266. The device will eventually contain a couple of motors, and I would like to control these motors using MQTT. I would like to make the device as cheap as possible, so I would like to avoid…
10
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1 answer

IOTA on Arduino or Raspberry Pi or Similar Board?

I'm new to the world of IoT, I don't even have an Arduino or similar board yet... but I am very interested, especially with cryptocurrency such as IOTA making such things potentially profitable. Sadly, this also seems like a really new field too,…
Serj Sagan
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10
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2 answers

AWS IoT implementation on a low end controller like Atmega328, nrf51822?

I have been using AWS IoT implemented in a RPi for a while. I was wondering if I could use a controller like Atmega328 or some NRF based controllers or STM32 to publish and subscribe to AWS IoT MQTT broker ? I did a bit of research on that and I'm…
10
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2 answers

Remote Firmware Update Arduino Nano

I am working on Arduino Nano (32Kb flash memory of which 2Kb used by boot loader, 2Kb SRAM, 1Kb EEPROM). The micro-controller takes input from an electrical device via RS485 module and posts the data read to a remote server using GPRS A6 module.…
Ashish K
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9
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1 answer

IoT Setup: Bluetooth Sensor -> IoT Gateway -> IoT Platform

I want to get started implementing IoT stuff. I do not have experience with it so far, but am learning fast. I am imagining my setup as follows: Proposed Setup Different wireless sensors (Temperature, Humidity, ...) should be connected to an IoT…
HideAndSeek
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8
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1 answer

Cannnot send from Arduino to Raspberry pi via LoRa

I am trying to send messages from my Arduino to my Raspberry pi. But I don't understand why the pi isn't receiving the messages. On the Arduino side I'm using an Arduino UNO with a Dragino Lora/GPS shield, using the Radiohead library. On the Pi…
metichi
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8
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1 answer

ESP32-CAM Camera init failure, SCCB write failure

I can successfully flash my ESP32-CAM to do the blink demo but when I try to run the code below I get the following error (b/t the asterisks/bar.) It seems the "Serial Camera Control Bus" (SCCB) is not able to connect to write to the buffer in…
Jerrad
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8
votes
2 answers

Make Embedded Board NTP Server for Arduino boards in the subnet

I have an Embedded Board where the distribution on it is a custom Linux Distribution based on Yocto. I have added ntp and via ntpd I will sync time with the common ntp pools either via UMTS 3G dongle or Ethernet. This board along with some ESP32 PoE…
Shan-Desai
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8
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1 answer

Commercial Arduino Reprogrammable Smart Plug

Has anyone reprogrammed a commercially available smart plug, such as the Etekcity Voltson? Are there plugs available with open source Wi-Fi chips in them that perform better than an ESP8266? I’m looking for recommendations on a reprogrammable plug.…
Jesse
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8
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1 answer

Connecting air conditioner to Apple's HomeKit

I'm planning to connect my air conditioner to Apple's HomeKit app. At first I searched for ways to do it, but I couldn't find a solution that would work for that project. As I've found, Apple actually released a 'non commercial' protocol…
Rafał M
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8
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1 answer

Control arduino via MQTT

I working with several arduino board and now I need to control them via a web interface. Via web interface I want to activate GPIO. I have two ideas: Each arduino acts as web server and I can control the GPIO via the Arduino web page. Basically…
Federico
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8
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1 answer

WiFi Mesh on Windows IoT core

I have a project where I need to create a Wi-Fi mesh network of nodes sharing a distributed mesh database that requires relatively quick search access on each node. I was initially thinking of running this using nodes consisting of ESP8266's…
Gineer
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7
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7 answers

How to detect desk occupancy in office

I'm working on a POC to try and find desk occupancy in an office. The aim is to identify which desk is occupied and how many are free and where are the free ones. Also I would like to identify who is sitting at what desk. What are the ways I could…
PNDev
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7
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1 answer

How can I connect a local Arduino to my Google Assistant without relying on cloud services?

I want to make a product, which consists of an Arduino connected to my local Blynk server (an application which allows me to control my Arduino using my smartphone). I want it to connected to my Google Assistant on my phone. To do that, I can use…
7
votes
3 answers

How can I push data from car-mounted microcontrollers to a remote server?

Firstly, I'm a newbie in the IoT field. Hardware parts are quite new to me. I want to make a small project. That is creating a box attached into a car that can keep track its location and temperature. And, inside the box, there should be a…
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