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.

23 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
7
votes
0answers
207 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 ...
5
votes
0answers
302 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 ...
4
votes
1answer
42 views

Arduino LMIC: GPS Logger - old coordinates stuck in queue

I'm building a LoRaWAN GPS Logger using the Arduino LMIC Library. I've got a running solution which reads GPS coordinates and transmits them via LoRaWAN to TTN. For activation, I'm using OTAA. On TTN, ...
4
votes
0answers
124 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 ...
4
votes
0answers
254 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, ...
3
votes
0answers
30 views

Particle.io argon delay time as var

I have everything working wonderfully but I want to accomplish one more thing and I'm not sure how to go about it. Part one to this question: Under command=="loops" I have a delay() function....
3
votes
0answers
85 views

ESP IDF Data backup to NVS when power goes off

I am using esp-IDF library and esp32 for smart lighting. I want to maintain the state of the lights when power goes off as it can be written somewhere in NVS. Such implementation is available for ...
3
votes
0answers
179 views

Arduino MKR 1300 LoRa library and RTC problem

I have a really weird problem with the Arduino MKR 1300 and the use of the RTCzero library. Simply put when I use both of them the data does not get sent and I have no idea why. The alarms when not ...
3
votes
0answers
74 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 ...
2
votes
0answers
28 views

Custom flashed Sonoff basic doesn't work when connected to main power

I flashed a sketch to a Sonoff basic switch R2 through Arduino IDE (with FTDI). Flash is completed and Sonoff runs the sketch successfully. The code is just a typical setup for making esp8266 a soft ...
2
votes
0answers
79 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. ...
2
votes
0answers
520 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; ...
2
votes
0answers
1k 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 ...
1
vote
0answers
20 views

How to setup SIM800L source code if the wiring to RX and TX arduino?

I have seen many tutorials about sim800l module to arduino setup. But their wiring always connect RX and TX pin of module to data pin arduino instead of TX and RX pin of arduino. Any there setup for ...
1
vote
0answers
59 views

Send data from GSM module to cloud server like Firebase

I am trying to search for anything to send my sensor data from Arduino + GSM SIM900A to a cloud server, preferably Firebase. Does anyone know how can I achieve this operation to Firebase or any other ...
1
vote
0answers
44 views

Mini weather station project not working

I have been trying to do this project for 2 weeks. The project is about mini weather station. It uses esp8266, DHT11 sensor,BMP180 sensor and FC 37 rain sensor. I have taken reference from the ...
1
vote
0answers
54 views

Integrating STM32 device with smart lock via BLE

I am using a Particle Boron to integrate with a Smart lock but I am not being able to do it. I'm using Particle's BLE interface to connect to bluetooth and start sending messages to the lock, and a ...
1
vote
0answers
212 views

What are lower latency alternatives to using MQTT brokers with the ESP8266

I'm experimenting with the nodeMCU board attempting to proto type out an IoT project. My first iteration involved using an MQTT broker to send messages between my computer and the board. Due to the ...
1
vote
0answers
10 views

Can there be a correlation between Emonlib current increase and RTC unsync on MKR 1300?

I'm having this weird issue where my data Send interval gets screwed up when the monitored current goes above 27A. Basically, it keeps adding several seconds to my interval, here's an example: ...
1
vote
2answers
58 views

Where to find descriptions of the example ESP32 sketches in the Arduino IDE?

I chose this one at random https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WebServer/examples/HelloServer/HelloServer.ino but looked at the code of others & hope that there is ...
0
votes
0answers
11 views

I'm getting an error while uploading my code to esp8266 via an arduino (FatalError('Failed to connect to %s: %s' % (self.CHIP_NAME, last_error)))

Arduino: 1.8.13 (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, Flash, Legacy (new can return nullptr), All SSL ciphers (most compatible), dtr (aka nodemcu), 26 MHz, 40MHz, DOUT (compatible)...
0
votes
0answers
14 views

Acquisition of data from scale (OHAUS Aviator) to MCU

I have an Ohaus Aviator 7000 scale, and I need store the weights of various items digitally. Although the scale is supposedly capable of exporting measurements directly to a computer, I have not been ...
0
votes
0answers
14 views

Not getting data from nodemcu to the firebase

I've done almost everything to get the data from nodemcu but nothing happened. I tried by changing the fingerprint. I have also used project secret and copy it in FIREBASE_AUTH part. I also ...