Electromagnet for an Arduino board?

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Discussion Overview

The discussion revolves around creating an electromagnet suitable for use with an Arduino board, specifically targeting the ability to lift weights between 0.5 to 1 kg while operating within the current limits of the Arduino. Participants explore various aspects including calculations, materials for the core, and power supply requirements.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant requests assistance with calculations for an electromagnet capable of lifting 0.5 to 1 kg using 100mA to 200mA of current.
  • Another participant suggests that the Arduino should control the electromagnet rather than supply the current directly, referencing a DIY project that uses a separate power source for the magnet.
  • A participant expresses enthusiasm for Arduino projects and shares ideas for potential applications, although this comment does not directly address the electromagnet query.
  • One participant points out that a provided link to a Thor's Hammer project is broken, indicating a need for accurate references.
  • A suggestion is made to use a specific solenoid that operates at 12V, with the Arduino functioning as a relay, along with a link to a product that could meet the lifting requirements.
  • Another participant mentions the possibility of winding a custom electromagnet and provides a link for calculations related to electromagnet force.

Areas of Agreement / Disagreement

Participants present multiple approaches and suggestions without reaching a consensus on the best method or specific calculations for the electromagnet. There are differing views on power supply configurations and the feasibility of lifting the desired weight.

Contextual Notes

Some limitations include the need for clarity on the assumptions behind the calculations, the dependence on specific materials for the core, and the unresolved details regarding power supply configurations.

Who May Find This Useful

This discussion may be useful for hobbyists and engineers interested in Arduino projects, particularly those focused on electromagnet design and implementation.

jms4
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I need to make an electromagnet that would generate a force to lift 1/2-1kg, and would use a current of 100mA, if not possible 200mA would be fine as an Arduino supplies a maximum of 500mA and 5V, and if 1kg is not possible then 1/2Kg would be fine, please help me in my calculation. and which material would make the best core, and please tell me how to calculate it?
 
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You might something in the DIY project building Thor's Hammer:

http://www.popsci.com/only-you-can-lift-this-superheroic-hammer

They use the arduino to control the magnet not to provide the current for the magnet. Notice in the article's diagram that there is one 9v powering the arduino and the other four 9v batteries are really 12v batteries to power the magnet.

This part is controlled by the arduino and flips the switch to activate the magnet.
  • 60-volt solid-state relay
 
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Likes   Reactions: jsgruszynski, Brandon91man and (deleted member)
These are the types of projects that get me pumped up over Arduino! I'd love to be able to make projects in Arduino and apply them to my house someday. Like automated window blinds, umbrellas with rain sensors that open when raining, a moving TV with a linear actuator, etc.
(Also I've never made a comment that wasn't a question or an answer in physics forums. I apologize if that's not what I was supposed to do)
 

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