2,604 questions
Advice
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Is this way for getting velocity from IMU accurate？The project is for golf swing motion analysis
enter image description here device that output velocity from IMU
enter image description here UI and data output from user manual
Is this way for getting velocity from IMU output accurate？The speed ...
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Tooling
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votes
1
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47
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What Raspberry-pi choose to make meteo station with neural network predictions?
There will be many sensors (temperature, humidity, particle, CO₂, etc.) they will get number reading and neural network will make prediction on their change. Can I get away with RPI 3B 1 GB RAM? Will ...
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Tooling
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votes
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replies
34
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Using sensor PMS5003
I am building an IoT-based air quality monitoring system using ESP32 and originally planned to use the PMS5003 particulate matter sensor to measure PM2.5 and PM10 levels. However, I’m currently unable ...
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votes
1
answer
77
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Compatibility of Wear OS Application Across Different Manufacturers with the same OS
I am currently developing an application to access the raw ppg sensor data of Samsung smartwatch that runs with Wear OS and have been in contact with the Samsung development team. They have confirmed ...
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vote
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155
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Dallas DS18B20 - problem with address decoding
I am implementing my own SW for getting data from DS18B20, but I've been stuck on decoding address for a while - "receiving" only zeros as a result. Here is my code:
#include <avr/io.h>...
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2
votes
1
answer
112
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HTU2X sensor doesn't respond to code at all
Did the following steps just to test if my temperature sensor HTU2X is working or not.
Selected my board (Nucleo-64 STM32F411RE) from STM32CubeIDE then enabled I2C1 which in turn enabled pins PB6 (as ...
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votes
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answers
89
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BNO055 with ESP32C3
I'm having gap problems with quaternions, I need help, please.
Hi guys, I have a question about the BNO055 sensor. I'm trying to use its quaternions to use in Unity, but it sometimes “loses” its ...
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78
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yl-69 sensor - adc conversion does not change adch and adcl - avr assembly
The YL-69 sensor(for soil moisture using a comparator circuit LM-393) is functional. When tested with C code on the Arduino IDE, it prints the correct values on the serial monitor. However, when ...
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votes
1
answer
104
views
How to avoid continuous SensorEventListener callbacks
Android beginner, please make no assumptions!
I created code that used a SensorEventListener to update a UI using a MutableDoubleState as an intermediary. This worked well with the event registration ...
- 1,912
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votes
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114
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Why does flutter_compass sometimes show incorrect heading, and how can I reset/fix it programmatically?
I'm using Flutter with flutter_compass and flutter_map to rotate the map based on the compass heading. Here's a simplified version of my code:
import 'package:flutter/material.dart';
import 'package:...
2
votes
0
answers
70
views
How V4l2 10bit storage works?
This is the v4l2 documentation for 10 bit sensor:
https://www.kernel.org/doc/html/v4.9/media/uapi/v4l/pixfmt-srggb10.html
According to this documentation I belive my 1 10 bit pixel should be stored ...
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0
votes
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answers
54
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Sensor script using DASH for User interface
Im working on a project at work that requires a UI for the machine operator to input required fields. The issue im having is trying to get the serial output to effect the blocks(Lowercase) input from ...
1
vote
0
answers
45
views
sensors_plus on iOS doesn't listen the event or throw an error
I'm using sensors_plus: ^6.1.1 for both android and iOS, on Android all is good but on iOS it doesn't work the listener just doesn't listen the event and it also doesn't has any error
class ...
- 1,274
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1
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147
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Trying to connect to a UART CO2 sensor to to get readings using a python script but I can't get any responses following command
I'm using this specific CO2 sensor:
https://www.co2meter.com/products/sprintir6s-100-co2-smart-sensor?variant=43960919195846
for a school project and ultimately I'm trying get it connected to a ...
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votes
1
answer
38
views
How to fix Registers with Esp32 and 9dof?
I have the following problem: I'm going to do window detection with the ESP32 and the 9DoF sensor. First, I wanted to put the ESP into deep sleep with the 9DoF. I managed that, see the code, but I ...
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