DIY Electric Heater Project: Newbie Seeking Resources

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SUMMARY

The forum discussion centers on building a DIY electric heater, with a focus on beginner-friendly projects. Users recommend starting with a heating pad using a UL-approved power source, such as a wall transformer from Radio Shack. Nichrome wire is identified as a common heating element, while resistors can also be used for simpler heater designs. The conversation emphasizes safety and gradual skill development, particularly for more complex projects like handlebar warmers for bicycles.

PREREQUISITES
  • Basic understanding of electrical circuits
  • Familiarity with resistors and their specifications (ohms and wattage)
  • Knowledge of safety standards for electrical devices (e.g., UL approval)
  • Experience with low-voltage DC systems (e.g., 12 volts)
NEXT STEPS
  • Research the properties and applications of Nichrome wire in heating elements
  • Explore safe design practices for low-voltage heating projects
  • Learn about using resistors for heating applications
  • Investigate power source options for portable heating devices
USEFUL FOR

This discussion is beneficial for hobbyists, electronics beginners, and DIY enthusiasts interested in building safe and effective heating devices while developing their skills in circuitry and electrical engineering.

Soccerdude240
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Hey everyone! I am trying to build a small electric heater as a DIY project. My only experience in electronics is a digital electronics class I took...other than that, I'm new to just about all of this stuff, but I can pick up on things rather quickly. Does anyone have any good resources that you think might help me get started?


Thanks in advance!
 
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Soccerdude240 said:
Hey everyone! I am trying to build a small electric heater as a DIY project. My only experience in electronics is a digital electronics class I took...other than that, I'm new to just about all of this stuff, but I can pick up on things rather quickly. Does anyone have any good resources that you think might help me get started?


Thanks in advance!

Welcome to the PF.

Do you mean like a heating pad? That could be a fairly safe first project, as long as you use a packaged power source that already has safety approvals (like UL). A moderate-size wall transformer could be your power source -- you can get them from Radio Shack and similar stores.

If you mean like a moderate-power space heater powered by the AC Mains (110Vrms, etc.), that is beyond your abilities at the moment. You have plenty to learn before tackling an AC Mains based project, which includes using safety agency approved design practices and construction techniques.

What do you want to heat?
 
I'm just looking for some projects to get me familiar with circuitry and electricity and general. I am working up to building some handlebar warmers for my bike (which will be a much tougher challenge) so I'm starting small. Any other resources you might have wold be greatly appreciated!
 
Soccerdude240 said:
I'm just looking for some projects to get me familiar with circuitry and electricity and general. I am working up to building some handlebar warmers for my bike (which will be a much tougher challenge) so I'm starting small. Any other resources you might have wold be greatly appreciated!

Nichrome wire is typically used as the heating element. Here is an intro article, with links out to other information:

http://en.wikipedia.org/wiki/Heating_element

.
 
Soccerdude240 said:
I'm just looking for some projects to get me familiar with circuitry and electricity and general. I am working up to building some handlebar warmers for my bike (which will be a much tougher challenge) so I'm starting small. Any other resources you might have wold be greatly appreciated!
As berkeman says, "Nichrome wire is typically used...". But as a learning project, you could make a heater with the proper (ohms and wattage) resistors. Here is a heater made this way for controlling dew on telescopes. It's designed to operate on 12 volts dc.
http://www.dewbuster.com/heaters/heaters.html"

When you get to your handlebar warmers, consideration as to your power source becomes important; weight/size determined by how much current you need.
 
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