XIAO_ESP32C6 "Received NACK on transmit of address"
Hello, I am using a XIAO_ESP32C6 with the STS40-CD1B-R3 temperature sensor. When I connect the temperature sensor to an ardiuno uno, the sensor works perfect. After connecting the XIAO_ESP32C6, "Error...
View ArticleIssues Connecting 7-in-1 Soil Sensor to ESP32 via RS485 with RE/DE
Hello everyone, I’m attempting to connect a 7-in-1 soil sensor to my ESP32 through RS485 using the RE/DE pins for direction control. I followed the step-by-step instructions in this guide: 7-in-1 Soil...
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MPU9250 Yaw Not Zeroed & Not Correct
I am using an ESP-32 S3 to calculate Yaw/Pitch/Roll from a Haitronic MPU-9250. Managed to get the Pitch and Roll angles accurately but I am unable to get a proper Yaw angle. I am afraid it is due to...
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ESP32 and Turbidity Sensor Problems
i'm using ESP32 S2 DevKit M-1 with Gravity: Analog Turbidity Sensor for Arduino on my school project for the code i'm using chatGPT to alter the base code, and the GPT told me to use 1.8 kOhm and 3.3...
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Soil Four Parameter Sensor Code Help
Pls help me write code from this datasheet, I want to use just Temp Humidity and pH. 3 posts - 2 participants Read full topic
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Arduino fingerprint sensor not working
When I run my fingerprint reader on Arduino UNO with the enroll script, "Did not find fingerprint sensor I get the ``` error if the connection diagram is GND - GND TX - 2 RX-3 VI+ - 3.3V There are...
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(help required) pressure sensor doesn't move from 0.039V
Hello everyone. complete newbie to electronics here. so I have been trying to make a breath controller with my arduino uno and the [MPS20N0040D] pressure sensor. the manufacturer suggests a...
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Dht11 to pic pinguino ide, i need help
I want to adapt the dht11 arduino library to use it in pic but I have a problem, after printing 5 or 7 times the program freezes, could the times I give to the bits be wrong? this is the code void...
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Pressure Sensor Matrix (16x16 Circuit Issue) Help with High Readings
Hi everyone, I'm working on a project that involves reading an 8x8 pressure sensor matrix (though my circuit is designed for 16x16, only the first 8 rows and 8 columns are currently connected). My...
View ArticleError: expected '}' at end of input exit status 1
hello i'm a newbie practicing programming on arduino,i can't solve my problem,it keep error: expected '}' at end of input exit status 1 #include <Wire.h> #include <LiquidCrystal_I2C.h>...
View ArticleHG-C Panasonic Laser
Hi I purchased the HG-C1100 and I am trying to work it with arduino nano. i watched the youtube of "HG-C Panasonic Laser Data aquisition with Arduino and android app" on youtube:...
View ArticleMPU-6050 Not Found
Hi, I tried to use a MPU-6050 with an Arduino Nano, connected the SDA to A4, SCL to A5, GND to GND, and VCC to 5V. I ran this code, and it says Adafruit MPU6050 test! Failed to find MPU6050 chip. I...
View ArticleHelp me how to detect paper and plastic in one sensor
Only the paper can read the sensor not the plastic.. Do we need to double our sensor to detect the plastic and paper? Or can capacitive sensor detect both apart? Can also ask what code should we use...
View ArticleHLK-ZW0623 - Capacitive Sensor - Library - ESP8266
Hi, Has anyone had any luck getting the HLK-ZW0623 fingerprint sensor to work? I couldn't find a library from the manufacturer. I’ve tried the following libraries, but none of them worked: Adafruit...
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PMW3389 sensor not working with xiao seeed nrf52840
I'm trying to use the following PMW3389 mouse sensor library with xiao seeed nrf52840, but initialization fails. It doesn't seem to recognize SS pin 7, what's the problem? #include <PMW3389.h>...
View ArticleFall/Collapse Detection Problem - BME280
As a former software developer, I am newly interested in arduino, my goal is to get the information about whether my tree has fallen over or not. I don't want to do it using IMU (I found and used...
View ArticleBlue flame sensor arduino
I am making a device that will tell you if you have left your stove on. I have tried a flame sensor so far but the problem is that I can not find one that will work with a blue flame. Can someone...
View ArticleError using ADXL library: error: 'class arduino::ArduinoSPI' has no member...
Trying to upload code using SparkFun_ADXL345.h library. After installing, it comes up with the error detailed in the title. (error: 'class arduino::ArduinoSPI' has no member named 'setDataMode'...
View ArticleInconsistent Readings from CNY70 Sensor for Line Detection
Hey im new at Arduino and I would to ask about: Inconsistent Readings from CNY70 Sensor for Line Detection I am using a CNY70 sensor connected to an Arduino to detect a white line, but I am...
View ArticleCan I use Servo + FSR with Arduino Uno?
I want to use 5 servos + 5 FSR with Arduino Uno. I used OpenCV to control the 5 servos before and worked fine. Can I add 5 FSR to the same Arduino Uno to recieve data via computer? or will it just fry...
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