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Question 1

-2votes

0answers

37views

Best Arduino Components/Sensors that is best for counting and classifying small object such as grains [closed]

I am about to conduct my thesis study entitled "Design and Development of an Arduino-Based Automated Milled Rice Counter and Classifier" in which we are about to count and classify these ...

Gerald Peñaflor

1

askedNov 22 at 16:48

Question 2

1vote

0answers

53views

Issue reading sensor values with CD74HC4067 16 Channel Mux

I'm running to an issue when measuring my sensor outputs. Previously I've connected my sensors directly to Nano analog pins and measured fine, but I want to use more sensors so trying a mux. Any help ...

JamesG

11

askedNov 10 at 19:46

Question 3

-3votes

2answers

65views

What does VRx stand for in the KY-023? [closed]

The x and y axis pins on the KY-023 are labeled VRx and VRy, but I'm curious as to what they stand for, as I couldn't find any official statements about it. I assumed it was "Variable Resistor X/...

Flamethrower

105

askedSep 26 at 9:39

Question 4

0votes

1answer

50views

Problems reading WNK811 i2c sensor on arduino using wire library without device library

I am trying to read a WNK811 pressure sensor connected by i2c to an STM32 Nucleo F401RE, programmed as arduino. The WNK811 is a Chinese device, the device datasheet is highly minimal (inadequate in my ...

B M

13

askedSep 1 at 10:54

Question 5

-1votes

1answer

171views

MFRC522 RFID RC522 Only Works Sometimes – Unreliable Detection Issue

Problem OverviewI’m using an MFRC522 RFID module with an Arduino Uno, and it only detects RFID tags sometimes. The behavior is inconsistent—sometimes it reads the card instantly, and other times, it ...

Nano

1

askedMar 31 at 21:12

Question 6

0votes

1answer

86views

Connecting two Arduinos via BLE 5.0

I have this issue where I'm transmitting sensor data from Nano Sense Rev 2 (transmitter) board to Nano 33 BLE rev 2 (receiver). The receiver keep failing to detect and connect to the transmitter and ...

Anwar Elhadad

33

askedFeb 19 at 20:01

Question 7

0votes

1answer

117views

ESP32 pressure sensor readings (RFP602)

I have two RFP602 sensors that I use.One connected to GPIO2, the other to GPIO4, each connected to a 1Mohm resistance.The sensor connected to GPIO2 reads the data how I want it, I have to press a ...

Toderita Teodor

3

askedJan 8 at 15:16

Question 8

-1votes

2answers

136views

50 Hz powerline noise using Arduino and mikroe ECG 2 (ADS1194)

I am trying to take ECG measurements using the Mikroe ECG 2 (ADS1194), connected to an Arduino Uno via an Arduino Uno Click shield.I am able to measure the ECG, and can read the heartbeats somehow in ...

Jakob Strutz

1

askedDec 18, 2024 at 16:10

Question 9

2votes

1answer

187views

Custom (external) reference voltage for ADC: is there a lower limit?

I'm reading an analogue oxygen sensor (SGX-4OX) with a Nano Every (ATmega4809-based). We're seeing up to about 60mV* in ambient air (it will reduce as we purge with nitrogen), and the ADC is 10-bit. ...

Chris H

168

askedDec 10, 2024 at 13:56

Question 10

1vote

1answer

155views

ESP32-S3 Does not read BME680 Data

I build a PCB using ESP32-S3-WROOM-1-N16R2 Controller. I programmed a BME680 sensor with this MCU. My pinouts are,BME_SCK 38BME_MISO 19BME_MOSI 15BME_CS 5This is my Arduino code,#include <...

Kuralmozhi

21

askedNov 28, 2024 at 7:27

Question 11

1vote

2answers

295views

Why is my BME280 sensor returning 0 for all data values?

My BME280 is returning 0 for temperature in Celsius, 0% humidity, 0.00 pressure (hPa) and 44330.00m for altitude. I am connecting it with I2C on a Raspberry Pi Pico and everyone on the team has ...

Madeline Covil

11

askedOct 14, 2024 at 20:18

Question 12

0votes

1answer

157views

How to control a stepper motor using an absolute position sensor which has an error band?

I am using Feather M4 express development board with DC Motor + Stepper FeatherWing and Ethernet FeatherWing stacked on it. The idea is to read the target position from the UDP from 0 t0 360 degrees ...

dreamcoder

11

askedJul 16, 2024 at 22:30

Question 13

-1votes

1answer

58views

How can I downsize protruding pins from sensors to so I can use a smaller housing?

I'm trying to create a system where I continuously measure color data from a fluid. I've created a 3D-printed box where the pins fit; if they're configured in their out-of-the-box arrangement, what ...

Bilal Bahadır Akbulut

11

askedJul 13, 2024 at 16:51

Question 14

2votes

1answer

189views

Software serial communication problem between ESP8266 and Arduino Mega for plant monitoring system (using Blynk IoT)

We're using the ESP8266 to receive data from the Arduino Mega board, where our sensors are connected. Supposedly, our ESP is connected to the Blynk App. However, the values showing up in our dashboard ...

Earth_Lovers

21

askedJun 7, 2024 at 8:24

Question 15

1vote

0answers

99views

Help with combining sensor codes

I'm trying to combine 4 sensors' codes into one to display on the serial monitor: MAX30205, MAX30100, AHT20, and ENS160. I'm using the Adafruit ESP32 Feather V2 board. Here are the libraries that I've ...

GiaNguyen Pham

11

askedMay 16, 2024 at 2:52

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Stack Exchange Network

Questions tagged [sensors]

Best Arduino Components/Sensors that is best for counting and classifying small object such as grains [closed]

Issue reading sensor values with CD74HC4067 16 Channel Mux

What does VRx stand for in the KY-023? [closed]

Problems reading WNK811 i2c sensor on arduino using wire library without device library

MFRC522 RFID RC522 Only Works Sometimes – Unreliable Detection Issue

Connecting two Arduinos via BLE 5.0

ESP32 pressure sensor readings (RFP602)

50 Hz powerline noise using Arduino and mikroe ECG 2 (ADS1194)

Custom (external) reference voltage for ADC: is there a lower limit?

ESP32-S3 Does not read BME680 Data

Why is my BME280 sensor returning 0 for all data values?

How to control a stepper motor using an absolute position sensor which has an error band?

How can I downsize protruding pins from sensors to so I can use a smaller housing?

Software serial communication problem between ESP8266 and Arduino Mega for plant monitoring system (using Blynk IoT)

Help with combining sensor codes

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