Questions tagged [raspberry-pi]

For questions related to using the Raspberry Pi in IoT applications or solutions. Questions about a software or hardware issue with Raspberry Pi are usually more appropriate at Raspberry Pi Stack Exchange. Programming language questions are usually more appropriate at Stack Overflow.

22 questions with no upvoted or accepted answers
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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 ...
7
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0answers
348 views

Power Consumption Benchmarks of Different Android Things SoMs?

I'd be grateful if anyone could publish some results of some (even one is good) Android Things compatible SoMs (System On Modules, see here) power consumption benchmark (data for idle, and under load, ...
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155 views

MOXA Modbus with Raspberry Pi – Can't get slave to work

I have two Moxa modbuses that I have daisy-chained together, and then connected to my network's ethernet port. The modbuses are hooked up to a control board with LED lights for the coils and buttons ...
4
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0answers
245 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
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0answers
194 views

How to handle AWS IoT with a Raspberry Pi to connect to my Node.js API?

I created an API in Node.js to connect my iOS app to my database. In my app, I have a button to start an action which will be connected to my Raspberry Pi. This action will happened after ...
2
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0answers
31 views

ESP32 transmit data over BLE VS Wifi

I am working on a project where I have got an ESP32 device (Wifi & Bluetooth), which reads data from some sensors, such as temperature and soil moisture (outdoor environment). The data is then ...
2
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0answers
44 views

How to decouple the hardware components

Is it possible to make the connections between the Raspberry Pi , Motor Controller and Stepper Motor connected wirelessly? As you can see above, I have 1 Pi (connects to the Motor Controller), 1 ...
2
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0answers
31 views

Secure External Network Control of a MQTT Server on a Raspberry Pi

I'm trying to build a home automation system using MQTT. I'm using a Raspberry Pi as the broker. Everything works great as far as controlling it when connected to the same network. But I want to have ...
2
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0answers
39 views

In what form should I store data in the cloud for a single device?

This question looks similar to What IoT services are available for storing/sending/publishing generic data in the cloud? though I haven't found a suitable answer yet. I'm building a light/temp/...
2
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0answers
46 views

Google Home API Integration

I have a project that I want to start on that involves Google Home and a custom light system. I currently control some lights in my apartment VIA a website but I want to be able to control the lights ...
2
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0answers
45 views

Re-link Google Home Account with Assistant Pi on Raspbian

I installed the Google Assistant on a Raspberry Pi 3+ and it works perfectly. I see the Raspberry in my Google Home App and I can configure some features. However, by mistake, I have unlinked from ...
2
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0answers
76 views

Connect IoT devices to AWS

I have a Moxa I/O Remote connected to a Raspberry Pi running some scripts through pymodbus. I am using MQTT to publish & receive changes/requests in the I/O remote to a web service. The idea is ...
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0answers
68 views

How to reconnect to MQTT server after CONNECTIONLOST?

I'm using a Raspberry Pi 3B+ with SIM7600X 4G HAT for communication with Python. I want to connect to MQTT server to receive messages via writing MQTT commands directly to the serial port of the ...
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34 views

Is there any way to use scanner front panel to scan to linux?

I have a EPSON WF-3540 MFP. I want to use it to scan files directly to my NAS. As this device does not support scan to FTP or any other network share, I thought of using a lightweight linux device (e....
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104 views

How to connect Raspberry PI 3 Model B to BLE Motion Sensor

I'm trying to connect my PIR motion sensor using gatttool and is giving me this error: pi@raspberrypi:~ $ sudo gatttool -t random -b B8:7C6F:1A:D8:24 -I [B8:7C6F:1A:D8:24][LE]> connect Attempting ...
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424 views

Unable to configure nrf24l01+ with Raspberry Pi 3 B+

I have a new Raspberry Pi 3 B+ model. I also bought a few nrf24l01+ modules. I hooked up one of the nrf24l01+ modules to my RPi with these connections: RPi | nrf24l01+ -------|---------- 3.3 ...
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0answers
87 views

Change Cloud URL using SimpleLink App for TI CC3200 SensorTags

I have some TI CC3200 Sensortags WiFi which I want to use out-of-the-box (without programming anything) Purpose I want to send the sensor information from the sensortags to an MQTT broker running on ...
0
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0answers
20 views

Cannot set_mode() with Dragino/GPS HAT 1.4 and Raspberry PI 4

I am using the https://github.com/rpsreal/pySX127x library Raspberry Pi4 and a Dragino LoRa/GPS HAT for RPi v1.4. Running test_lora.py in the library, the unit test test_mode() fails with the error ...
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23 views

Trouble pairing Sengled E12-N1E to CC2531 custom hub

I've flashed my CC2531 according to the instructions here and loaded up zigbee2mqtt on a raspberry pi and spent some time trying to get my Sengled E12-N1E to pair up but I am having no luck getting it ...
0
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1answer
22 views

How to toggle a SonoffS31 flashed with Tasmota via OpenHAB and MQTT?

I have a SonoffS31 flashed with Tasmota. I have set up a Raspberry Pi running OpenHAB and an MQTT broker. In the paper UI of openHAB, I have created a Thing that represents the switch. I have set the ...
0
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0answers
17 views

Mqtt node connected to multiple router

I have NodeMcu which I wanted to work as MQTT node, and I will have 50 nodes which will connect to routers(total 3) where these routers are connected to the main router through LAN. For a broker, I ...
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435 views

Setting multiple Channel with GPIO. (Raspberry Pi)

Choose correct option(One option) Q1) Which of the following command is used for setting up more than one channel with GPIO on a raspberry pi? a) GPIO.setup_list(channel, GPIO.OUT) b) GPIO.setup(...