Questions tagged [arduino]
Be sure to use the Arduino Stack Exchange for questions that are more Arduino and less electronics.
9,123 questions
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Open Energy Monitor, will my changes work to have it monitor 480V 3 phase?
So I'm working on making a variant of the 3 Phase Open Energy Monitor and a data logger based on the same.
I aim to use something based on these to watch 3 phase spindles and servos on CNC machines to ...
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Will this this schematic modification work?
newbie here trying to learn and create an electronics project for my uni (Comp E)
My goal here is to create a DIY infrared sensor using photodiode and IR transmitter, and read the signal through a MCU ...
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How to correctly drive SZ-08 buck-boost module CV feedback with RP2040 PWM?
I’m trying to digitally control the output voltage of an SZ-08 buck-boost converter by replacing its onboard W204 (3296) CV trimmer with an RP2040-generated PWM signal filtered through an RC network ...
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I get error when i try to switch from sim1 to sim2 via "AT+SWITCHSIM=1" command @ SIM7672SA [closed]
I get error when i try to switch from sim1 to sim2 via "AT+SWITCHSIM=1" command @ SIM7672SA
How can I fix this, or does the firmware not support dual SIM despite the hardware doing so?
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Arduino UNO & 5 volt RC servo [duplicate]
With respect to an Arduino UNO. Can I operate a 5 volt RC servo that draws between 2.1 to 2.7 amps?
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Which amplifier to use for Arduino Talkie output [closed]
I am trying to use the talkie library on Arduino Uno to output to a speaker. The talkie output is by default a PWM signal. I tested it with a piezo speaker and it works but it is weak. How can I ...
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How to properly read values from CCD linear sensor?
I have a PCB with UPD8872 CCD sensor that I took from an old scanner. I managed to solder the pins of the board to Arduino compatible wires and programmed the Arduino and, also, wrote desktop app that ...
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Is it a correct design for an electronic switch, commanded by a microcontroller?
This is a question following this one: What is the best way to stack another switch?
I want to stack an electronic switch over a mechanical switch, and have it driven by a microcontroller (arduino ...
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Two NEMA 17 stepper motors only move intermittently when controlled via Bluetooth (HM-10 + Arduino Uno)
I'm doing a senior design project for my Computer Engineering bachelor's degree and I'm running into issues getting consistant movement with my two NEMA 17 Stepper motors.
I'm in the process of making ...
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What is the name of this linear CCD-sensor component?
I want to use a linear CCD-sensor for my project and I bought this old tablet scanner from 2004 - Genius ColorPage-HR7XE. I disassembled all the parts and took out the PCB with CCD-scanner. But I didn'...
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ATtiny85 pin connection
I'm looking at a tutorial
( https://www.teamxnl.com/how-to-flash-an-attiny-25-45-or-85-with-arduino/ )
and I'm confused about one of the pin connections illustrated.
I've read that, for the 85, Pin1/...
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Am I reading dummy CAN bus data? If so, what did I do wrong?
I am VERY new to electronics, but I love this world. My first project is to read CAN bus data from my 2008 Ford Taurus. I got a MCP2515 CAN Bus Module with a TJA1050 Receiver, and an Arduino.
I hooked ...
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IRFZ44N , PWM signal from Atmega328P always conducting
I'm currently using a MOSFET IRFZ44N to feed a motor using a PWM signal that comes from my Arduino Uno board. These are the connections that i have made:
Being the 50 ohms resistance the equivalent of ...
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Servo Stuttering Under Load with MOSFET Switch
I am having an issue with a servo motor controlled by a NodeMCU and switched via an N-MOSFET (IRLB8721) on a breadboard. The servo is powered by 8.4V (from 12V/5A PSU via step-down). MOSFET gate ...
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PID temperature controller heat pad heating issues with a mosfet [closed]
I am currently doing a PID controller project to try and control a heating pad. I was following this tutorial and everything seems to work except for the heater control portion of the project. https://...
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