Transducer analog input
Hello! I am trying to understand values a transducer is giving me for testing its response to certain sound inputs. I put in this code void setup() { Serial.begin(9600); // Start the serial...
View ArticleAll I2C functions hanging, need lidar input
Hi! My friend and I are trying to use a TF-Luna LiDAR sensor with our Arduino UNO board. We are using a popular code segment that seems to pop up everywhere for TF-Luna: /* File Name:...
View ArticleLis2dux12- configuration for step counter(pedometer) and MLC
configuration for step counter(pedometer) and MLC 2 posts - 2 participants Read full topic
View ArticleConnect two load cells to the same amplifier
How to connect two load cells to the same amplifier? 10 posts - 3 participants Read full topic
View ArticleCreating a simple motion tracker
Hello! I'm currently attempting to create a sort of motion tracker that I can use to either simulate or directly input sensor data into that will track the motion of the sensor. The general idea is to...
View ArticleArduino nano 33 ble sense
Guys i am using a arduino nano 33 ble sense for connecting a gps and a gsm module to it as SoftwareSerial does not work on this microcontroller how am i supposed to connect both modules to this board...
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Mpu6050 Location for Measuring Rotation Precisely
Hi! Pretty straight forward, I have a MPU6050 sensor who needs to measure the angle of a wheel turning around.. wondering where to position it to get the best results, at the edge of the wheel or...
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Laser gate timer delay coding question
Hello, I'm very new to arduino and coding. It's a miracle I've gotten this project this far. I wanted to create a simple laser lap timer for my backyard pumptrack. I'm pretty sure I have the code...
View ArticleINA3221 module giving negative values
I am using INA3221 3 channel shunt voltage and current measuring module to measure the current through a 12V DC motor. I first tested with some resistors as the load and got the correct readings....
View ArticleDeserialize nested json object
Hi, how to deserialize nested json objects using json 7. example: data : {"time":"2024-05-19","M60:{"E_in":500.0,"Power":47.1}} how to get E_in ? Thank you 2 posts - 2 participants Read full topic
View ArticleThermal camera and ESP8266
Good day guys, i really need your help, I want to use MLX90640 D55 thermal camera and ESP8266, the live feed should be displayed on web , so that I can view the feed on a remote device, help guys, if...
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DS18B20 not found, Arduino ESP32 NANO
Hi I can't find my DS18B20, tried three different sensors (one with 1m cable). Have tried 4.7k, 10k and no resistor. Tried different pins for data. Tried different example sketches, from OneWire and...
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7 in 1 Soil sensor NPK value not change
Hello guys, can you help me ? i have problem on my NPK sensor. My sensor already can get 4 value from sensor like pH, Temprature, EC, Humidity, but N P K value is not working. This is my code i got...
View ArticleLIS2DUX12 accelerometer
hi I want to start with LIS2DUX12 accelerometer programming ,It is not clear for me from where should I start . could anyone please tell me what I should do ? Regards 2 posts - 2 participants Read...
View ArticleGPR for metal detection
Hey there, I'm new in the community and I really need help. I'm working on a graduate project about using GPR sensors to detect if there is metal underground. My supervisor has given us some new...
View ArticleChecking if float switch pin is floating
I'm using a float switch from RS components, the website of purchase can be found here. I'm trying to find an efficient way of testing if the float switch is connected to the arduino or not, as my...
View ArticleHC SR04 as transmiter only?
Hi there, I want to make some kind of voice jammer, but before I buy all components, I want to ask can i use HC SR04 sonar just as transmiter(25kHz)? Thanks in advance! 2 posts - 2 participants Read...
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Linear Encoder connector USB-->DB9
Hello to everybody, previous owner of my milling machine bought cheap linear encoders, something like this: laskakit.cz Lineární odměřování s displejem, 500mm | LaskaKit Lineární odměřování se...
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Linear Potentiometer not Working
I am using this linear potentiometer with my Teensy 4.1 but my analog output doesn't change at all when I actuate the probe. This is the datasheet for the sensor: This is how I have it wired: With red...
View ArticleSensor accelerometer programming in cpp
hi I want to start with sensor accelerometer programming in cpp ,It is not clear for me from where should I start . could anyone please tell me what I should do ? please suggest some basic project...
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