Hacked Gadgets Forum

June 23, 2009

Greenbox – Waste no Electricity with this Phone Charger

at 12:50 pm. Filed under Cool Gadgets, DIY Hacks, Electronic Hacks

 

This Greenbox project is a beautiful way to save energy. Not only does it dress up the charging area but it also saves you money. When the phone is removed the wall wart charger is electrically disconnected.

"As a design exercise, I have built a phone charging station that makes unplugging very easy and instinctive (with affordance playing a big role). So easy you don’t even notice it unplugs automagically. The design is made from cheap and available materials, and was a great fun to build on a rainy day. "

Thanks Alberto


 

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19 Responses to “Greenbox – Waste no Electricity with this Phone Charger”

  1. lazy man Says:

    Hmm, building this box seems like a lot of work. It’s better to just leave it plugged in. Oh God, why didn’t I just type these words. So much work!

  2. Brakk Says:

    Cool idea, but I see one problem. To make the phone charge you have to close the lid. Now you don’t know when it’s done charging.

    I’ve noticed on many devices that when you unplug them, they will show a full meter even if they are not quite 100%.

    How about a window in the lid?

  3. soren Says:

    @brakk
    I think it works, so that it charges when the lid is open, and the straw just disconnects power when the lid is closed?

  4. Chrysilis Says:

    Is it a good idea to use a microswitch like that for mains voltage? Needs a warning along the lines of mains voltage kills, only attempt if you’re competent!

    I live in 240V land so not sure if mains is as dangerous in 110V land? Having said that this one does appear to have been made quite expertly :)

  5. Paul Says:

    I would be worried about using a non-polarized, non-grounded plug for this kind of setup. You don’t want a melted switch to electrify the lever! Also, I bet a lot more power could be saved by using a more modern switching-type charger and just skipping the switch.

  6. Greenbox Wastes No Electricity - Well Some Says:

    [...] Hacked Gadgets You can receive our articles for free in your email inbox. For more gadgets, technology, news [...]

  7. Jeff Says:

    I think this is a wonderful project. Yes, the switch may become a problem, but wall warts do not draw much current and one should make sure the micro switch is rated for the project. I would probably make some variations to the project, like a winder for the phone plug in, so the phone can be picked up and unpluged easily. also move the microswitch so that when the phone is in the cradle, it will turn on the charger. that way you can see the status, with the box open or closed. For a version 1.0, this is top notch and a sellable product.

  8. brandon Says:

    Neat idea, but would this even save any energy? If there isn’t a load on the transformer it shouldn’t draw any power anyway.

  9. asdf Says:

    @brandon

    Energy still gets wasted, as the primary coil is still enegised, and coupling between the coils isn’t perfect. However, like the guy said in comment #5, this is a problem that’s largely already been fixed; you’d struggle to buy a phone in Europe that still uses a large transformer…

  10. Lyle Says:

    You would save more money by taking one less hot shower per YEAR than unplugging your wall wart when not in use.

  11. Build a Greener Charging Station [DIY] · TechBlogger Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

  12. Build a Greener Charging Station [DIY] | Superstars Of Gaming Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

  13. Build a Greener Charging Station [DIY] - 3345th Edition | Technology Revealed Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

  14. Build a Greener Charging Station [DIY] | Diy all the Way Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

  15. :: TecnoloGeek :: » Blog Archive » Build a Greener Charging Station [DIY] Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

  16. Build A Greener Charging Station | Lifehacker Australia Says:

    [...] No-Waste Charging Station [via HackedGadgets] Tagged:charging [...]

  17. Build a Greener Charging Station [DIY] | GetAnswers.ws Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

  18. The Far Edge » Blog Archive » Build a Greener Charging Station [DIY] Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

  19. Build a Greener Charging Station [DIY] « Coolbeans Says:

    [...] While Alberto cautions that his design is a proof of concept, and he lightly cautions against building your own (for child safety, primarily, due to easy-to-expose wires) the photos on the site form a ready guide, and anyone with basic knowledge of electrical wiring could build one. But to echo Alberto’s well-placed caution, this isn’t something you can do with chewing gum and duct tape; you’d need to be comfortable and competent with household wiring to build your own green charging station. For more details including abundant pictures and instructions, check out the link below. Greenbox: No-Waste Charging Station [via HackedGadgets] [...]

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