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Serial.print( millis() ); resets my Arduino nano

my Arduino nano is resetting the loop without apparent reason. I found, following the Serial Monitor that is happening when I try to print millis(). I just update the Windows 11 IDE [ 2.3.0 ] [ CLI...

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ATTiny84A Clockwise or Counterclockwise?

I think I understand the CW vs CCW. In my words, since all functions are multiplexed to the pins, one can assume any internal path can be on any external pin. My question is: Are the pins as shown in...

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Changing PWM freq

Hi everyone. running a nano with pwm freq set to 31khz (i think it is) on pins 9 and 10 to run some fans. I also need pin 8 at a higher freq but i dont know how to do it. below is the code im using...

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Breakboard ESP01 no working

I use this breakboard for the ESP01 but what I don't understand is why just turning on the WiFi is not strong but when I use the ESP01 USB Programmer the WiFi can run normally? 1 post - 1 participant...

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Building wake on lan remote control

Hi folks, this is my first arduino project I did myself. I use a Wemos D1 mini, which I know from the AHOY project to connect my Hoymiles PV Inverter to the Victron Energy System. What is it about? I...

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New project trial

We are building a 2005 Ford Excursion for the 2024 world car shows in Detroit, New York, L.A. culminating in Las Vegas at the SEMA show. Want to add some custom features to this unit and bring it up...

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What is required to protect the battery and hardware components from...

I eventually want to make a small rover. But I want to make sure that the hardware components on the rover (camera, imu, Arduino, etc.) are protected and also that the battery is not going to do...

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Help deciding between IO expanders or shift registers

Hopefully this is in the correct topic, sorry if it's not - first post here. I am looking at building some punch card scanners using probably an Arduino Nano or UNO that would send data to a PC where...

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CS5530 with Arduino

Hello friends, is there anyone among us who has dealt with CS5530? The results I get in ADC conversion are not stableand I could not find how to convert them to volts. When I give 0 volts, I get 127,...

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SH1740T2PA Buzzer Tension and AC or DC to GPIO

Hya, i have a device with a SH1740T2PA Buzzer feeded by a 501B-8P circuit, pins 5 CLK output and 6 S0. I seached and didn't find it's datasheet. How to make sure the tension and if it's AC or DC? I...

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WiSer: A Wireless Serial Bridge (Open-Source Project)

Hi Everyone, We're thrilled to introduce WiSer, our wireless serial bridge, now available on Crowd Supply. It's a fully open-source project based on ESP32-S2 , designed as a true wireless replacement...

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Esp32 integration with led matrix

i want to integrate 6 ledp10 matrix single color module with esp32 please give me some suggestion. 5 posts - 3 participants Read full topic

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How to Upload Program to Pro Micro without Arduino IDE (Hopefully other...

Background: I make an electronic drum to play computer games. The drum is connected to the computer via USB serial port. I've already finished my program to let the drum be identified as a keyboard....

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NRF24L01 + PA + LNA without antenna communication possible?

Hi , I have 2 of the NRF24L01 + Pa + LNA modules connected to the arduino with the 3.3v adaptor board. I just wanted to know whether they would work without antenna (over small distances less than...

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Need help with dht22 sensor

hi! i got an "DHT22" on pcb. like this: DHT22 on PCB I get it to work and show temp and humid, but the temp atleast is wrong with a couple of degrees :S can someone help with that? 1 post - 1...

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Compiling sketch from text

can someone helpme to compile the sketch form this text , i hace tryed severeal times but no succses getting various error messages. Reagrds. #include <Adafruit_GFX.h> //Ekran kütüphanelerini...

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Problem with ExpressifLink.h file on AWS library

Hi, I have put the library in the right folder but it gave me an error that say that the ExpressLink.h file doesn't exist but it's in the folder src of the library, what I have to do? Thanks This is...

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ESP32 with 16 channel relay not working

Good day, Trust you are all well. Busy with a home project to control 14 devices. Code will only allow one relay to be active at any given time i.e. when you switch on another device, it will...

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WT901b Calibration

Hello everyone, This is my first post so please tell me if and how I should present my problem better if I m not explaining it not comprehensively enough (also english is not my first language). So I...

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Keyboard layouts -SK

If I want to use the usb payload, it overwrites characters when I type and the payload does not work. I use SK keyboard. If I switch the keyboard to EN, the payload works. How to make usb...

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