Adafruit_VL53L1X library with TOF sensor
Good Evening Problems again I am attempting to use a _VL53L1X TOF sensor to measure a distance of 0-2 metres. Arduino IDE and the Adafruit_VL53L1X library are being used with the sample code. When...
View ArticleHCSRO4 ultrasonic sensor returning 0 distance in between each normal value on...
I'm trying to make an ultrasonic senor which sets of a buzzer whenever the measured distance is below a certain value (40cm), however the buzzer is going off constantly when I run the program because...
View ArticleNPK sensor always displaying 255 with Arduino Mega 2560
Hello! I am a student scientist, I am currently conducting a correlational study and I built a device that detects soil NPK contents for my study, as it is cheaper than chemical testing in soil...
View ArticleWhy is this Programm not working?
int sensorinnen = A0; int sensoraussen = A1; float messwertaussen; float messwertinnen; float spannung; void setup() { Serial.begin(9600); pinMode(9,OUTPUT); pinMode(6,OUTPUT); pinMode(5, OUTPUT);...
View ArticleUltrasonic Sensor don't work
My ultrasonic sensor (HC-SR04) don't works. It always print 0 cm not matter what I put in front of it. I've checked the trig pin and I can confirm that it is sending signals. My code: int trig = 3;...
View ArticleHow to wire eval adxl 355z with an ada fruit esp 32 s3
Hi, i am facing issues about wiring the eval 355z with the esp32 (using i2c), i am using only <wire.h>, every time the sensor is not detected "" my scheme : |VDDIO (P1 Pin 1)==>3V| |GND (P1...
View ArticleAdafruit_ICM20X library causing void setup() code to loop
Hi, I am using an adafruit ICM20948 and have successfully ran the example code from the github repository to receive the values. However when I copy the code from the repository into pre-existing...
View ArticleLow sensor value giving adjusted value < 0
I am using an Arduino Giga, and I wasn't sure whether this should go on the Giga section of the forum or this one, but I figured that I was playing with setting up sensors and this deals with sensor...
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How to wire and code thermistor that can also detect liquid level?
Hi, I am using the TSF86Y100D sensor to create a code to do something along the line of: Collect temperature readings constantly while arduino (uno r4 minima) is running, and when the liquid level...
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Issue using ACS712 20A and voltage divider with ADS1115
Hello and good day everyone, I'm hoping you can help me with a problem I'm having with my Arduino project. I am currently working on a project to read the voltage and current of two 400W solar panels...
View ArticleDetecting high viscosity liquid movement on a plane
Hi, I need to detect the movement and thickness of high viscosity liquid as it runs down a wall. I could in principle solve this with video mapping but this will not fit this project. I am thinking...
View ArticleHelp with SJN-SR04T sensor
Arduino forum, I have seen several posts here about the JSN-SR04T v3 ultrasonic sensors. While I have several projects using the Arduino Nano I also I have a Pic microcontroller prototype board...
View ArticleGauge air pressure sensors quirk
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View ArticleVoltage and current sensors maybe?
I'm getting to the point. I need to add a current and voltage sensor to my project. I have an server motherboard that is pure 12v input. I have a bunch of 30a cheap current sensors I bought from...
View ArticleGps giving error after compiling code discussed below
#include <TinyGPS++.h> #include <SoftwareSerial.h> // Define pins for SoftwareSerial #define RXPin 1 // GPS TX ā Arduino RX #define TXPin 0 // GPS RX ā Arduino TX (optional) // Create...
View ArticleHelp me pick a radar sensor!
What radar sensors can detect stationary objects, and get the distance measurement to the stationary object in front? As of now I'm stuck between the HLK-LD2410 and the HLK-LD2420, also the measuring...
View ArticleMPU6050 Not Connecting to Arduino Mega 2560 (Connection Failed)
Hi all, I'm having trouble getting my MPU6050 sensor to connect to my Arduino Mega 2560. I have wired everything according to the documentation, but the connection test fails, and I'm unable to get...
View ArticleUltrasonic Sensor System to Determine the Relative Position of an Emitter
Hi everyone, Iām working on a project where I need to use two ultrasonic sensors to determine the position of an emitter connected to a separate board. When the ultrasonic emitter sends out a signal,...
View ArticleUsing SEN30007 (MAX31856) for Thermocouples with Arduino Uno R4 Wifi
I am running into a problem while using Playing with Fusion SEN30007 connected to 3 Type J Thermocouples. When I am trying to access all three of them, I get the error message for all thermocouples:...
View ArticleTrouble with Reading Sensor Data on Arduino Nano !
Hi everyone, I am working on a project using an Arduino Nano and a DHT11 temperature and humidity sensor but I am struggling to get consistent readings. I am using the Adafruit DHT library and while...
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