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Trip servo motion after no signal for 2 seconds

To start with I'm a mechanical engineer, and know enough to be dangerous with programing and such. I'm looking to control a servo to move one way when it gets a 5v signal and the other way when there...

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Problem with dipswitches using an ATMEGA328

Hi all, I've got a project where i'm selecting 4 channels using 2 dipswitches. I breadboarded it using two slider switches and it worked great. However, i've had PCB's made and now only one of the...

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Avrdude fail with atmega2560 standalone over programmer USBasp

Hi there, I am using a chinese USBasp. I have installed the driver libusb-win32 with zadig software. USBasp device is recognized by my windows 10. Its connected to my circuit board with ICSP pins. I...

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HC05 Module not sending Sensor values

Hello! I am working on using HC05 modules to connect a flex sensor to a servo motor. I can send values fine if I just write 0-180, but when I read the flex sensor and map it, it prints weird symbols...

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Ardruino Nano ESP32 util/delay.h Error

I'm using a VFD display from noritake, specifically a GU-7000, and their library from here. I had the display working on my adruino Nano, but when I switched over the my Adruino Nano ESP32, I started...

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Use sin() and cos()

'''i can't call sin() and cos() in arduino i don't know how to use it example in my code : float theta_r=angle*(PI/180.0); float offset= PI/4.0; double sin=sin(theta_r-offset)X(180/3.14); double...

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Program operation after losing Wi-Fi connection

Hello. My problem is that my program has to run even after losing the wi-fi connection, and trying to regain the wi-fi connection stops my program for 10 seconds. 3 posts - 3 participants Read full...

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Replace of relays with lighter mosfets for drone application

I am putting together a tilit rotor drone for my studies. Its 2 props are powered by 2x 81A ESCs powered from 2 separate 11.4v Batteries. I am currently using a 5V latched relay for each ESC,...

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HC-05 Bluetooth Sends Data to Arduino Serial Montior

I am working on a project, where 2 load cells (outputting 1 weight value) and an IMU must communicate data to the Arduino Serial Monitor via bluetooth HC-05. I was having an issues where I could only...

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Sketches show as blank

Just installed the v2 IDE on my new iMac (macOS Sonoma, Silicon M3 chip) but when I open any sketch it shows as completely blank - no lines of code at all. Happens for any sketch, all of which open...

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PWM output Values fluctuating

I am taking input from a receiver's IBus protocol, getting the inputs perfectly, but while printing it to control servos, its fluctuating weirdly #include <IBusBM.h> #include <Servo.h>...

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Help with display gme12864-82 7 pin

I run the following code: /************************************************************************** This is an example for our Monochrome OLEDs based on SSD1306 drivers Pick one up today in the...

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¿What would be the best way to transfer an audio file from arduino to python?

Im using an Arduino Microphone Max4466, if that is of any help. 11 posts - 4 participants Read full topic

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LED Array power setup

I want to make a setup of 5 lines of Led diodes, each line will have 5-20 led diodes on it. Each will light up one second after each other then stop until a button is pushed to start the sequence...

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USB device to control livolo wireless switches

Hello, Based on the library posted on this thread: Control Livolo switches / Livolo switch library TL;DR: GitHub - N-Storm/DigiLivolo: Firmware & software to control Livolo RF 433 Mhz light...

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MobaTools speed change not responding until min or max is picked

I'm not even sure this is a programming question I've got a loop that is moving a stepper back and forth between two known point. At the start of each "forward" move loop I check a analog read pot to...

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Controlle Motors via MotoDriver2/ l298n und Raspberry pi pico w

Hello, I would like to control two motors via the MotoDriver2 and control them via a Raspberry Pi Pico W. My problem is that the two motors never rotate at the same speed, even though the code says...

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Squareline Studio widgets displaying data to Serial Monitor

I have made a Squareline Studio Project which has two Arc Widgets displayed on an Arduino GigaDisplay Touch Shield. I would like the Arcs to print their positions to the Serial Monitor in Arduino IDE....

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ATmega328p: Creating object file only using an AVRDUDE make file

Hello. I'm reading a book that has simple C source code for blinking an LED. The target IC is an AVR ATmega328p. It appears the author's make file has no avr-gcc references. Instead it seems strictly...

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Using a bts7960 motor driver as a 24v relay

This solution is a bit of a hail marry so i apologize if this is a dumb question. I have 2 12v 50ah sla batteries connexted in series to produce 24v. This 24v feeds 2 MDDS30 dual motor controllers....

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