Help with Adafruit LTR390 with QT Cable
Arduino is my first ever dive into the world of programing of any sort, so I've been learning by reading and seeing examples online. Now I read about the QT cables to connect/daisy chain multiple...
View ArticlepulseIn with ultrasonic sensor taking too long
I am experiencing an issue with the pulseIn function, which causes a significant delay of around 700 milliseconds in my code. Below is the function I am using to get the counter distance: void...
View ArticleSelf-driving car with arduinomega2560
Hallo, ich baue gerade ein Selbstfahrendes Auto mit einem Arduino Mega 2560, einem 4WD Smart Car Chassis und einem Sensor der Serie Flying Fish. Dieser sollte mir anzeigen, wann etwas erkannt wurde,...
View ArticleESP32and DS18B20 for LCD I2C 20x4 is Temperture -127
#include <Wire.h> #include <LiquidCrystal_PCF8574.h> #include <OneWire.h> #include <DallasTemperature.h> // Define the GPIO pin for DS18B20 #define ONE_WIRE_BUS 22 // Setup a...
View ArticleCTi Dynamic inclinometer interfacing with an Arduino Uno
CTi Inclinometer Sensor Interfacing with an Arduino Uno Good day everyone, I am busy designing a vehicle data collection system for my final year project and might need help regarding an inclinometer...
View ArticleElegoo "Big Sound Sensor" Is this just worthless? The range seems so small?
So I have this KY-038 sound sensor, which came in my elegoo sensor kit: Click Here However the range seems so insanely small. I wanted to get this to get the volume of a room, however im not even sure...
View ArticleWrong readings from analogRead
I am really a started here and I have this strange situation. I running the script below, it is supposed to get the readings from a water sensor and print the value in the console. The problem is it...
View ArticleFormula for UV Index from LTR390
I've been playing with the LTR390 and am struggling to find the correct formula to calculate the UV Index based on the readUVS parameter of the LTR390. I've seen a few things on the interwebs but none...
View ArticleESP32 CAM and DHT problem Sensor_t
Hello I try to make this sketch work but there is a conflict with sensor_t and I can't seem to find a solution. Sketch: #define BLYNK_TEMPLATE_ID "TMPL5me-22yZE" #define BLYNK_TEMPLATE_NAME...
View ArticleNeed Help with Getting Decimal Pulses for Flow Meter Readings
Hello everyone, I am working on an in-line flow meter project and am having difficulty with the data readings since I am measuring the flow rate based on pulses. Is there a way to read pulses as...
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How do I output distance on an XT-S1 (sen0585) lidar sensor?
I've been working tirelessly to get this lidar sensor to output the distance on the serial monitor so that I can use it in a project. I have another lidar sensor, a TF-Luna that worked great but can...
View ArticleDrone Power module Read current and voltage holybro PM02 V2
Friends I am using holybro PM02 Analog powermodule to extract current and voltage of a brushless motor running on 12S. That is 50Volts and max current is 50A. This analog Power module has output wires...
View ArticleHello, I have this code but when I ran it it puts me all the time "File not...
#include <SPI.h> //Library for SPI communication (Pre-Loaded into Arduino) #include <SD.h> //Library for SD card (Pre-Loaded into Arduino) #include <SFE_BMP180.h> #include...
View ArticleMy LoRa Receiver can only receive data from 1 Lora transmitter, doesn't work...
Currently i have a project to read data from a node (using ESP32) and then send it to a master node using ESP32 too and RA-02 SX1278 LoRa 433MHz, which then will be uploaded to the database. T he...
View ArticleSensor output is always zero
Continuing the discussion from Merged code doesn't work properly: I have try this sensor and the output always zero. I have try to all program for this sensor but the output always zero. any...
View ArticlePZEM 004T V3 inaccurate energy reading?
New with using PZEM 004T with 1000/1 open current transformer. I am using it with an arduino mega. The energy reading seems off. I stole the code from miliohm.com just to test if the pzem is working...
View ArticleI2c communication between arduino and four mlx90393 hall sensors through tca4895
Good Evening everyone, I'm presenting the community this issue I'm encountering within my project. I'm using an Arduino MKR Wifi 1010 to read 8 groups of 4 hall-effect sensors each through a mux , a...
View ArticleNRF2401+ Can't get it to work
Hello I have been trying to get NRF2401+ transmitter to commiunicate with NRF2401+ receiver for a few days. I am using NANO boards for transmitter and receiver. I started using 3.3V output from...
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Pump is always on even when fire is not detected
I am making a fire fighting robot for my school project. I am using arduino nano with flame sensors. Even when the flame is not detected the pump is on. The pump is powered through a relay module....
View ArticleBuilding an IO-Link sensor?
I've built RS485 sensors. 4-20mA. And Bluetooth... Now I need to build IO-Link. I have the specs, but... for Bluetooth, you need to become part of Bluetooth SIG to get an ID... and I figure I need to...
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