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Using Arduino IDE for ESP32-CAM doesn't work

Hello, I'm need a working camera for my school project and I'm trying to make the ESP32-CAM work, but whit no succes to far. Someone that can help me? So, I'm using the newest version of Arduino IDE...

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Can we get data through wifi to esp32 ( as master) from multiple slave using...

Can we get data through wifi to esp32 ( as master) from multiple slave using wifi?If yes which protocol can we use?ltiple 6 posts - 4 participants Read full topic

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Difficulties communicating with Bluetooth HC-05 module

Hi, I've seen many topics about this module, but no one that fits my problem, so here is a new one : I'd like to connect a bluetooth HC-05 module to an Arduino Mega to enable communication between my...

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Multiplexing multiple 7 (8) segm displays (20 digits total)

I'm working on the schematic of an upcoming build where I want to use several 7 segment displays (common cathode, two 9 digits and one 2 digits, total 20 digits in three separate displays). The...

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Conflict between PF2|3 and PA2|3 (A4 and A5) on Arduino Nano Every?

In the electrical diagram (and also in the EAGLE gerber files) the A4/SCL and A4/SDA pins are each connected to two pins of the micro, namely A4 with PF02 and PA02, and A5 with PF03 and PA03. This...

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Basic immobiliser switch

(topic deleted by author) 1 post - 1 participant Read full topic

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Charging battery with nano and powering nano with battery

I want to create a device with only 1 plug in (usb-c in nano) and I want to charge a battery with the nano power and use the same battery to power the nano once it's disconnected from power. I know...

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Load cell on Xbox - lever for disabled gamer

Hi everyone! I’m Adam and I’m quadruplegic. I really want to play cars on Xbox with load cell lever and this is my project. I’m ultimate beginner and never used codes. Lever is for throttle and brake...

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Controlar Placa de Control remoto WEB LAN Ethernet RJ45 TCP/IP con relé de 4...

Buenos dias ,soy muy nuevo en esto y me ha llegado un modulo de estos y me gustaria poder controlarlo dede el movil o por internet. He estado buscando aplicaciones he informacion para ver como...

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Battery percentage display using metro mini and pimoroni ads1015

PROJECT DETAILS: BOARD 1: ADAFRUIT METRO MINI V2 BOARD 2: PIMORONI ADS1015 DISPLAY : ADAFRUIT ILI9341 BATTERY: 12.6V Connections: BOARD 2: 5V SUPPLY BATTERY +VE ON A0 PIN OF ADS1015 GROUND: GROUND...

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How to connect the ESP32-cam to a Arduino mega directly without wireless...

Hi, I'm new to the ESP32-cam module and I don't know how to connect the ESP32 cam to the Arduino mega directly and how to program it. It's for my project, what I wanted to do with it is to detect...

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Smart Trashbin metal detector with coin reward... need help

Hello, I am new here , we are about to make trash bin that giving coin reward after detecting metal. I want to know if the 4 servomotor, 1 ultrasonic sensor, and 1 capacitive proximity will work for 1...

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Serial monitor sometimes works, sometimes not

Hi all, I wrote a small test program to check and change states of some digital pins. The program starts with putting out a couple of texts with Serial.print. Now sometimes I see these texts in the...

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Running a E5LM Fuel Pump Questions?

Hello. So I am looking to run a EL5M Brushless fuel pump. So they are ran by their own controller but we have made a Audi fuel pump controller work for it. I am trying to see if I can get Arduino to...

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Creating a sketch to control a stepper motor with limit switches to drive a...

Hello everyone, I could do with some help. I have designed a SeeSaw mechanism to tilt a piston driven injection vessel (basically a metre long syringe) from side to side. Inside the vessel is a ball...

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Humidity sensor HS1101LF from TE Connectivity

Hi, I would like to measure the relative humidity of the air with a capacitive sensor HS1101LF from TE Connectivity. I know that theoretically we have an RC circuit and we are interested in measuring...

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XCOPY error message

I am encountering the following error message on my home desktop when I try to upload to my STM32 Nucleo-64 board. I do not have this problem on my laptop and cannot find a solution. Any ideas? Sketch...

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Finding a suitable digital i2c switch

Hi Anyone know of an i2c controlled switch IC that is at least 2 independent channels switching into at least 3 outputs? The switches need to be serial data friendly (so low resistance etc). Ideally,...

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How to Determine Low Power State of IC

Hi all. I am working a project and want to take analog audio data from an FM receiver and output through a USB. I will also be using the same USB for uploading data to the esp32 and charging a lipo...

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Serieler monitor gibt nur noch 0.00 aus

Hallo Ich habe eine frage und zwar will ich eine Bewässerungsanalge bauen doch der Seriele monitor gibt nur noch 0.00 aus falls das hilft hier ist der Code: int directionPin = 12; int pwmPin = 3; int...

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