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Power supply management

I am currently in an apprenticeship and I don't understand how to manage my power supplies. Indeed, my project consists of implementing a SPI BUS with an Arduino Uno R4 Minima as the master card and...

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Building a fire fighter robot and need some help

so I'm building a line following fire fighter car that operates on a predetermined path which i would be making with a black duct tape, I want to know if these components are enough to do that:...

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Controlling NB-IoT Module from Arduino Mega

Hello, Not so new to Arduino, but need to know if my approach is right. Approach: Connect any Clickboards via SPI/I2C/UART interface with Arduino Mega using jumper wires. Configure SPI/I2C/UART...

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Issue showing temperature on TFT Display

Hello everyone, I'm new to Arduino and want to show the temperature of a DHT11 temperature sensor on my Elegoo TFT 2.8 zoll display. I'm using an Arduino UNO R3, Arduino IDE as desktop app and windows...

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Bluetooth Connect esp32 to odbd2 problem

hello everyone, i'm trying to connect esp32 titigo to odb2 using elmduino library.. i tried some sketch to allow the bluetooth connection, but nothing seems to work. i tried wiht odbII name and pin...

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„Blitzsimulator“ lightning / thunderstorm simulator

Hey guys, Testing a lightning detector / thunderstorm detector? Simulate lightning by radio? Some time ago I introduced you to the Blitz-O-shield thunderstorm detector for the Arduino UNO. Lightning...

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Arduino sketch to switch on /off the led of the Grove I2C Color Sensor V2,...

Hi!!! I'm a chemistry working with Arduino for my phd thesis, and so I'm very new with arduino programming and my knowledge really basic!!! I have a problem and I would like to try to solve with...

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Switches with their own life

I have a 11 switches who are one side connected to 5 Volt. The other side goes to pin 22-33 on the GiGa board. I want to flip the switch and in one perticullair order a L298 activates and is opening a...

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Serial monitor endless loop

Hi there, I am trying to send hex codes over the serial port. I am using the serial monitor to send these and then my code recieves the hex code and stores the binary version in an array and then it...

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Is it better to use Two Arduino Unos vs One Arduino Mega?

We are making an interactive map of our school as a student navigation system for a school project. We are basing the movement mechanism on a Kinetic Sand table (almost like a 3D printer gantry). We...

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I am trying to do a pedometer

Hello! I am new to Arduino. I am using Arduino Nano, 1 x 1602 LCD moniter with module and MPU-6050 , I want to create a pedometer to count how many steps I walk. I have watch a lot of website and...

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Digital clock Neopixel, Fade effect dont work

Hello everyone, I'm developing a digital clock with a 20-segment display. The clock part is working, however, when I try to implement a fade-out effect, it doesn't seem to work properly. The fade...

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ESP32 Button Library -- Using Multiple Button s

I am trying to adapt the ESP32 Button Libray example sketch for a single button press to use for multiple buttons and am having difficulty coding the serial print output for each button. In the code...

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NRF24 module fails to connect

Hello! I need guidance in using the NRF24l01 pa+lna, the one with the antenna. I have been using them to connect a couple of arduino nano, but without success. I read the NRF24 library in which i...

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Motor Project Not Working

Hi, I am doing an Arduino Motor Project, however I unfortunately have got an issue with the movement of the DC Motors. The system uses a 2x DC Motors, Arduino Uno, H-Bridge and a Joystick. Currently...

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Connecting USB-C Female to ESP32-S3 D+ and D- Pins

Subject: Connecting a USB-C Female to ESP32-S3 Pins 19 and 20 Hi everyone, I'm currently working on a project with the ESP32-S3 and I'm looking to integrate USB-C connectivity into my design. I want...

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Not getting desired output frim Arduino UNO analog Read

I am trying to read volatges (below 5V) from a device , my meter is showing 3.7 as it should be, but arduino is showing differnt some timw 4.6 v some time 0.00 etc. Want to know what went wrong 6...

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Powerbank with solar pannel

Hello, I want to build a powerbank with solar pannels. Momentanly I have 2 solar pannels 5VDC 400mA, 18650 batteries and LED Dual USB 5V 2.4A Micro/Type-C USB Mobile Power Bank 18650 Charging Module...

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Can't get info to the Serial Monitor

I am new, so I am probably doing something I should not do. I simply trying to display a value for C , It complies with no problem. I have selected my Arduino Board "Arduino Uno Rev 4 Minima" and the...

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Camera web server with motion detection

Hello guys i dont know why but camera and motion detection work together i use this camare server Freenove_Basic_Starter_Kit_for_ESP32/C/Sketches/Sketch_17.1_CameraWebServer at main ·...

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