Unanswered Questions
4,199 questions with no upvoted or accepted answers
5
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0
answers
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Handling non-standard I2C read response lengths with Wire library
I'm trying to read from a Sam&Wing XW12A 12 channel touch sensor IC using I²C. The IC responds to an address read packet with 16 uninterrupted bits representing its state.
However, since I²C ...
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5
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0
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242
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nRF24L01 continuously reading closed pipe
I am testing communication between two nRF24L01 modules. The receiver is getting the transmitted message but is also continuously reading (null) data from a closed pipe? I am using the RF24 by TMRh20 ...
- 111
5
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0
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789
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Ultrasonic Flowmeter Using TDC-GP22 and Arduino Uno
I'm working on a project of Ultrasonic Flow Meter with TDC-GP22 using Arduino UNO. I used the library of leokoppel
In my code,the configurations of the registers are copied from the Application Note ...
- 1
5
votes
0
answers
2k
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Non-blocking MQTT library
Are there any MQTT libraries that do not block while connecting?
I'm currently using PubSubClient, and the connection part contains this code:
https://github.com/knolleary/pubsubclient/blob/master/...
- 2,471
4
votes
0
answers
97
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Adafruit_LEDBackpack library interfering with analog input reading
I'm trying to do something I think would be simple. I'd like to read the input of a electret microphone board and update the Adafruit 24-segment LED Bar Graph. I got each individual item working ...
4
votes
1
answer
794
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Measure lipo voltage while powering arduino
I have a arduino pro micro 5V that I want to power with a 3.7V lipo. I also have a charging module to charge the lipo.
(https://www.banggood.com/nl/TP4056-1A-Lipo-Battery-Charging-Board-Charger-...
CommunityBot
- 1
4
votes
0
answers
4k
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ESP32 IR remote
my board is a firebeetle esp32 that I am using as an IR remote.
After using the Ken Shirrif IRremote library for about 6 months successfully, then the time came to change a few things on the web ...
CommunityBot
- 1
4
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0
answers
1k
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Clion Arduino plugin: Error:Could not find Arduino SDK (set ARDUINO_SDK_PATH)
I am trying to setup CLion as my workspace for my arduino. I have installed the two Arduino plugins for CLion, generated a new sketch project, but I am getting cmake errors on opening the project.
...
4
votes
1
answer
455
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Arduino Uno WiFi - How to disable WiFi?
I'm using Arduino Uno Wifi. I made my Arduino to get connected with my local network based on http://www.arduino.org/learning/getting-started/getting-started-with-arduino-uno-wifi
Now I would like to ...
CommunityBot
- 1
4
votes
0
answers
530
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Arduino WebSocket Client "Connection Failed"
I use this code to connect Arduino MKR1000 to API through Web Socket, but it didn't connect to the server.
Can any one help me to correct the code.
This is the Arduino code:
#include "Arduino.h"
#...
- 2,471
4
votes
2
answers
248
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Arduino Uno R3 stops executing code, when trying to instantiate multiple HX711 objects
This is my first time asking something on this platform, so if form or anything else is off, please feel free to point out things about how I could refine it and ask more concisely in the future.
I'm ...
CommunityBot
- 1
3
votes
0
answers
30
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Can not burn arduino pro mini 8 MHz bootloader with usbasp
I am using schematic of Arduino Pro mini 3.3v/8 MHz version. Please see below circuit diagram I built.
Power supply to circuit is 3.3V.
I have a USB ASP programmer which I used in previous version of ...
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3
votes
0
answers
88
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Integration of MAX30100 and DS18B20 Thermal Probe Integration
This is for my final year project that I have been tasked with designing a patient monitoring system. However, during the last stretch of model prototyping, I am experiencing issues with my MAX30100 ...
3
votes
0
answers
100
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PCA9685 - Hardware problem with diode?
I'm working on a project, where I need to run several high-torque servos. For that I bought come of these PCA9685 boards.
I hooked everything up with my arduino and connected an external 5V - max 3A ...
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3
votes
0
answers
93
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220v lightbulb gradual dimmer
I am trying to turn my incandescent bulb gradually,say its brightness should go from zero to 100% in 10 mins. In doing so I found the following code and it works well but it's not as gradual as I ...
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