Questions tagged [sensors]

For questions about simple IoT devices that can only monitor the physical world and report these observations. Examples are devices that just monitor the state of your lights, radiator settings, power plugs, fans or door locks. If the device is able to change those settings use the tag [actuators] or a more specific one.

25 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
6
votes
0answers
2k views

Make ADT Door Sensors work with Ring security system?

Is there a way to modify ADT's Window and/or thin Door sensors in some way to work as door sensors for Ring's Home Security System? I am transitioning from an ADT security system to Ring's, but am ...
5
votes
0answers
109 views

What are the hubs for non-WiFi, DIY/open/hackable devices?

I would like to future-proof my home automation architecture Today, I have a very decentralized setup: an MQTT broker (Mosquitto) WiFi switches: two on-the-wire ones (Sonoff Basic) and one wall ...
4
votes
2answers
80 views

Decoupling data fetching from processing and publishing

I am working on a project that involves raspberry pi and the accelerometer sensor ADXL355. The raspberry's responsibility is to fetch the data from the sensor, filter only useful data and publish it ...
4
votes
0answers
56 views

Dashboard of historical data in iot_datasourse

I have historical data stored in an SQL database as date in the format (2017.10.27 12:00:25) and the corresponding temperature in the format (26.55). I am using the node iot_datasourse to show the ...
3
votes
0answers
31 views

Simple two-sensor digital thermometer with an alert when the temperatures match?

Where I live, it gets hot in the summer (but usually not so hot that I need AC on), but the nights usually cool down to a beautifully cool temperature. I like to open windows when it gets cooler ...
2
votes
0answers
46 views

Are micron feature-size LIDAR sensors available?

I want to scan various writing materials such as card, cloth, various grades and qualities of paper, wood, even hemp-based or other writing surfaces. The reason is I wish to write a GPU-accelerated ...
2
votes
1answer
51 views

Wheel skid detection

I am working on a project which sensed four speed by using hall sensor attached to wheel by using raspberry pi. I have wrote program for that only issue with that it gives fairly good results when ...
2
votes
0answers
39 views

Delayed IIO Sensor Readings

I am reading sensor data off of a Dell gateway, and noticing that the sensor data at iio:device2 seems to have a delay of ~1 second when reading using cat /sys/bus/iio/devices/iio:device2/in_temp_raw ...
2
votes
0answers
67 views

Wanted: open source communicating, self contained, IoT source code firmware

this question could be borderline off-topic here, but I dare asking it still here for academic purposes. If it is off-topic, send me an email to basile@starynkevitch.net mentioning the URL of this ...
2
votes
0answers
118 views

Open-Source Repositories that use IoT Sensor Data for Smart Contracts and Blockchain

In all honesty, I have only been reading blogs and papers about how IoT enabled Sensor data can be used with Blockchain along side with Smart Contracts for smart-industries, healthcare etc. but for a ...
1
vote
0answers
34 views

Electric Gate Project further development

Newbie here, hoping to extend my control of electric gate system. Here is where I am at, and will then go on to explain where I want this to get to. My gate system is an old "out of the box" ...
1
vote
0answers
49 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
vote
0answers
35 views

Ambient Light Sensor to monitor light levels in buildings for warranty post LED upgrade

We are a lighting service contractor that installs and maintains lighting systems and controls. I would like to be able to offer a system that can monitor light levels using a proprietary web portal ...
1
vote
0answers
34 views

Which conferences and journals are notably trusted in the area of wireless sensor networks?

I am trying to get into the field of security concerning wireless sensor networks and found several good books and papers. But still this research topic is filled with fraud publications on ...
1
vote
0answers
160 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 ...
1
vote
0answers
189 views

Is there any scream detect sensor or scream recognition program?

I'm developing smart IoT product which will be placed on underground parking lot. Among the various feature, one require scream detection. I heard that there are several feature includes scream ...
0
votes
0answers
39 views

Is there a device to detect roof leaks?

I just had my roof redone and solar panels installed on the roof. As we're getting into the rainy season I've been concerned about the potential for leaks in my roof with all the new hardware. Is ...
0
votes
0answers
69 views

Temperature sensor MLX90614 read object temperature above 300°C

I want to make sure the sensor read normally but when i run it to read the object temperature, the result is 382.19°C. I have search for tutorials, and also the error but i couldn't find it except for ...
0
votes
1answer
55 views

How can I identify what kind of IoT device is in my network?

I am trying to build a system in which IoT devices can connect and are classified without the need for manual checks by the system administrator. In this system, IoT devices will send data, and on the ...
0
votes
0answers
30 views

Looking for LoRaWAN sensor to detect gym equipment use

I'm guessing I can determine if someone is using a treadmill or even a bench press by detecting vibration. Would it be feasible to sense this for a costs below $5 per piece of equipment being ...
0
votes
0answers
74 views

What Kinda of Trigger to Use for a System with Two Raspberry-Pi's

I have a system like the image shows. Now instead of it being connected with an Ethernet cable, it is going to be wireless. The SBC's represent Raspberry Pi's. SBC0 reads the data all the time and is ...
0
votes
0answers
31 views

Suitable graph generator for models of homogeneous WSNs with 100 to 300 nodes?

Which graph generation models are suitable as representation of large-scale (100-300 nodes) homogeneous wireless sensor nodes, in case I am only interested in the interconnection of those nodes and ...
0
votes
0answers
51 views

Tracking speed and direction of golf ball

I'm working on a prototype for a cheap launch monitor as a cheap alternative to the expensive ones on the market atm. Question: I'm looking for a sensor or sensors that can track the following High-...
0
votes
0answers
47 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 ...
0
votes
0answers
77 views

Which Pressure sensor in Netatmo weather station

I have been trying to figure out which barometric sensor that is being used in the Netatmo weather stations (netatmo.com/weather) to measure the atmospheric pressure. I have disassembled the indoor ...