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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.

3
votes
2answers
63 views

IoT app and software

I'm new to IoT and this is my first project, I didn't find the answer to my question anywhere. Is there an app for Android and Windows software that can control an Arduino device from different ...
3
votes
0answers
31 views

SCT-013-000 with Arduino MKR 1300

Has anyone tried to use this particular sensor (SCT-013-000) with that particular Arduino (MKR 1300)? Cause I keep getting different results when connecting Arduino UNO and then trying the MKR, both ...
1
vote
0answers
49 views

Does MQTT inresponse can cause a reset due to network activity?

Setup description: I have 8 ESP8266s running an Arduino code to control windows shades up and down using relays, local switches and MQTT for remote operation, which work OK for the past few weeks. ...
6
votes
2answers
36 views

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 ...
1
vote
2answers
50 views

Scalable Arduino ESP32 IoT project ( with lots of users )

I'm planning to create a Arduino device that measures distance, and sends the data to AWS IOT via WIFI . After that i want to see the measurements on an Android or iphone App. How can i make my idea ...
2
votes
1answer
76 views

Can I use MatLab code in esp32?

We've some method to run the MatLab code in esp8266 microcontroller. We can manipulate Arduino pins using Simulink in MatLab. Can we do the same with an esp32 microcontroller as their code can be ...
1
vote
0answers
47 views

IoT hub on private network [closed]

I want to make a hub for file sharing in my private network like DC++. Is there any library which I can use or do I have to develop it from start. This can be developed for Arduino or Raspberry PI.
1
vote
0answers
53 views

Control GPIO of ESP32 using Bluetooth [closed]

I’m using ESP32 to control relays using MQTT ( both over Arduino and MicroPython ). For special cases, and not for everyday operation, I wish to control a specific GPIO over Bluetooth ( a reset irq)....
1
vote
0answers
58 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 ...
3
votes
1answer
72 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 ...
2
votes
2answers
84 views

IoT and middle ware

We are building a solution as below: Arduino-based sensors read data and send it to Raspberry every second. Raspberry Pi should do some processing on these data, then communicate with a backend ...
3
votes
1answer
108 views

MQTT Library for Arduino using GSM

I am developing a vehicle tracking device.I want to send data to server through MQTT from my sim808 GSM module.But I couldn't find any good library of MQTT for Arduino. There are so much resources for ...
4
votes
1answer
67 views

Efficient Server- and Protocol structure for raspberry, smartphone and 3rd-party-device network

I am new to this forum and this field. I am looking forward to good criticism and tutorials/links/instructing suggestions to build a nice system with as less effort as possible while achieving all ...
1
vote
0answers
23 views

In atmega128 bootloader.hex file missing [closed]

I want to use atmega128. I have added atmega128 with the help of Megacore . But bootloader.hex file is not generating when I compile the file. Now, what can I do to solve the problem.
1
vote
1answer
51 views

Connect sx1272 module to a Dragino Gateway

I am new to Lora technology. I am using a sx1272 Lora Module and I am trying to send and receive data to a Dragino Gateway. The problem is the sx1272 and Dragino use two different libraries and hence ...
0
votes
1answer
38 views

First steps to learn IoT with watering plants project [closed]

I am an experienced developper, and I want to learn IoT beginning with a small project. Automatic Watering the plants of my house. Here are the requirements: The project is for learning purpose It ...
6
votes
1answer
145 views

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 ...
6
votes
2answers
121 views

What is the library to be used to implement CoAP in ESP8266?

I am using Arduino IDE to program my ESP8266. I would like to send data from one ESP8266 module to other. So I would like to use CoAP for this communication. Is there any standard or good library to ...
0
votes
1answer
35 views

Arduino Serial Error [closed]

I am using Arduino ATmega2560. I have defined Serial as CONSOLE. When I am using CONSOLE it shows me error. #include "Arduino.h" #define CONSOLE Serial; void setup() { CONSOLE.begin(...
6
votes
1answer
75 views

Could not ping ESP8266 Wifi module connected to an Arduino

I have been working with a water flow counter which sends data over wifi. I'm using an ESP8266 wifi module. Everything is correctly connected and I've gotten to the point where it's correctly ...
1
vote
0answers
153 views

How to send data to broker from arduino, sim808 using mqtt protocol

I want to send data from my arduino ATmega2560,sim808 using mqtt protocol. By executing my code, successfully connected to broker but couldn't publish message. #include "Arduino.h" int led = 13; ...
7
votes
0answers
76 views

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 ...
2
votes
1answer
86 views

Industrial Controller Vs Prototype Controller(Study level Controller)

What is the difference between industrial Controller and prototype(Study)level controllers or Raspberry pi/Arduino Vs. Industrial Controllers(PLC, NON PLC) controllers
7
votes
1answer
127 views

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 ...
4
votes
0answers
101 views

Sending temperature sensor's data to Kaa-IoT platform via 6LoWPAN

I want to set up some sensors in different places, which are wire connected to my development board, Raspberry PI or Arduino. I'm going to send the data wirelessly but without using Wifi protocol, ...
6
votes
1answer
43 views

How can I write bytes to BH1750 via line buffer IC (ESP32)?

I want to switch data reading from multiple sensors by line buffer IC (74F244). My problem is I can't read anything from sensor when I connect via IC but can when connect sensor to ESP32 directly. I ...
4
votes
1answer
75 views

Error: 'NN_DIGIT' does not name a type, while using google-cloud-iot-arduino

I recently started learning IoT with ESP8266MOD (Arduino IDE). I want to start working with Google Cloud IoT, but confused about how to use google-cloud-iot-arduino. I tried its Esp8266-http example, ...
1
vote
0answers
122 views

Wireshark capture Arduino FTDI USB traffic in order to debug applications that talk to the arduino [closed]

I use arduino UNO with ATMEGA16U2 running as FTDI chip. Furthermore According to wireshark's instructions I enabled the USB monitoring for wireshark as well. Also over my GNU/Linux Machine the lsusb ...
4
votes
0answers
47 views

Is it possible to use both Lua and the Arduino IDE on the node-mcu?

I've been playing around with two node-mcu boards uploading Lua scripts via ESPlorer on one and uploading code built from C++ via the Arduino IDE. I've come to a point where I have preference for Lua ...
6
votes
1answer
448 views

Using Arduino LoRa with RFM9X chipset: How to connect the RMF9x NSS pin?

As I am searching on libraries that can be used with Lora and arduino I came across on this one: https://github.com/sandeepmistry/arduino-LoRa Also the RFM9x has the following pinout: The data ...
5
votes
2answers
134 views

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. ...
2
votes
1answer
227 views

HopeRf RFM98 and arduino-lmic library

For a Lora assay I am looking over the arduino lmic library furthermore I look over the pinout on RFM98 Lora Module: But I cannot figure out how I will configure the library in order to use the MOSI ...
3
votes
1answer
129 views

RFM69W and LoraWan

I'm trying to figure out how I will make an RFM69W LoRa Module work with The Things Network, so I looked over many tutorials, code samples, and libraries. The one I find closest to LoRaWan support is: ...
2
votes
0answers
549 views

Internet of Things: ThingsBoard.io

I am in a middle of an IOT project. I have to design the dashboard. I am facing difficulties in setting up the dashboard. I am using thingsboard.io I want to know how to send data from thingsboard ...
6
votes
1answer
629 views

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 ...
-1
votes
1answer
108 views

How to trigger a function in SIM800C Module using an SMS from AWS IOT? [closed]

I am using a SIM800C Module with AWS IoT. I want to be able to trigger some code running on my device by sending an SMS from AWS. I can generate the SMS OK, but I'm stuck with how to get this to ...
2
votes
0answers
45 views

How could I do a HDMI channel mapper? [closed]

I have two HDMI displays, and five sources. I want to map them programatically using an arduino e. g. I say I want the first input on the first output and the third input on the second output. And it ...
6
votes
3answers
310 views

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....
9
votes
1answer
356 views

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 (...
9
votes
1answer
2k views

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,...
7
votes
2answers
240 views

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 ...
-1
votes
2answers
364 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/...
5
votes
0answers
258 views

Creating COM serial port between external device (Joule/Arduino/etc.) and PC over Bluetooth w/ linux sdptool & rfcomm (OR another method)

This article is not device specific, but rather is focused on using sdptool and rfcomm to setup a serial com port connection over bluetooth. If you have another method instead of these two Linux ...
7
votes
1answer
320 views

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 ...
9
votes
1answer
792 views

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 ...
6
votes
2answers
420 views

Read and Send Orientation Sensor Values from Android to Arduino

I'm trying to read orientation sensor values from android and send them to an Arduino. The android will send valueX, valueY and valueZ in bytes. Each value will end with x,y and z character at end of ...
6
votes
2answers
377 views

Syntax for using HTTP GET with ampersand and float

I am currently working on a wireless gardening project and quite new to this field. My sht10 sensor is connected to Arduino Uno and GSM AT commands is used for wireless communication. I am using ...