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Macgyver-Cardboard & Duct tape solar charger
Sometimes you need electricity to charge your batteries, but if you're limited to cardboard, duct tape and a bit of electrical components, don't wory this simple solar charger wil help you....
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Improvised oil lamp V 0.1
Improvised oil lamp is useful in situations such as power outage, blackout, emergency situation, etc. These lamps are easy to make and you do not need extensive knowledge....
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Off The Grid
There are several fields  which you need to overcome  if you want to live off the grid, I'm not an expert but I managed to cut my bills on my weekend house. Fields wich you must overcome: Food and...
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Electric Lantern
Recycle old stuff and make new stuff is a  skill that every builder must  know, I recycled this old gas latern and made this completely operational elcetric lamp. It's not hard to make this you just...
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12 volt charger/ 12 volt DC power suply
I've made this 12 volt DC suply for testing stuf that I made. I used 220 V to 12 V transormer and simple Graco's compound. If you are not expert dont try this at home the 220 volt is more than enough...
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The Prospector 5000
Howdy ho miners If you have ever mine in the dark  dont fear the new Ghoustdoggy's product will save the day.This  is 3.7 volt LED lamp for mining and exploration off unknown areas and places.It can be...
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5 min One person meal
In this instructible I will show how to prepare one person meal in 5 min. To get: -Chicken meat -1x egg -Flour -Marinade (veget, garlic) -1x Chicken vulture Prepering  meat: First you slice chicken...
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Scavenging old electronics
I rarely buy parts for the project's, I prefer  useing  the old PCB boards as a source of parts.My favorite source of parts are:PC power supply,  devices are placed in a metal container, old RC cars...
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Improvised Electric Knife/Tool sharpener
It's very easy to make an improvised electric sharpener. All you need is an old computer fan, sandpaper and a source of direct current. 1.Make circle of sandpaper  (diameter off movable part fan)....
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Homemade Electrical Heater/Diy Heater
Anyone who knows a little bit about electronics will know  how does  the electrical heat work.Here is an article about Electrical Heaters . Materials you can buy for about 5$.You will need: -Old hair...
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Small homemade survival kit V.01
This is one small part of my survival/camping/fishing bag. Most of the things I've made, or  bought flea market and repaired. Inventory: -Huanting knife -Homemade knife -Lathern -Rope (1.5 m)...
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Equipment for small hiking trip
I'm preping for a little hike to the location where I have a small shed (survival shed, or camping location).Usually I use my survival bag to come to this location, but we wont to see what if we lose...
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Voltmeter with LED scale LM 3914 circut
I was working on this for some time, after a long period I decided to share this with you.I used LM 3914, two resistors R1=4 kohm R1=1kohm and two trim potentiometer Rv1=5 kohm and Rv2=5 kohm, ten...
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15 volt power supply
I used 220 V to 12 V transormer and simple Graco's compound.You will need:-Power transormer-4 diods -Switch-FuseMy friend needed a power supply 12V to 15V.I had one but I wanted to make another one...
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Homemade self defense baton
For protection from animals and humans in case of emergency I would be forced to use my knife but my knife is short so there is less distance between me and the attacker, and if there were multiple...
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Making sound using a Astable Multivibrator
I found an old circuit that I made year ago.It was a Astable multivibrator so I tought of making sound whit it.I is simple to make and you can use it on speakers, LED and others.On the output I...
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555 timer IC musical instrument
I have seen many posts about 555 timer IC and I worked with it in school, but we did not make a music whit it so I made one.List of parts is on diagram, I made box by myself,but you can use box from...
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Homemade Amplifiers
Last couple of projects were amplifiers, the Lm 384 and SI-1030gl circuit, all parts were scavenged and reused, except LM 386 which I bought in store.The SI-1030gl circuit is HI-fi circuit and power...
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DIY portable power sorce {from old parts}
I got old cordless vacuum cleaner, I tried to fix it but only "healthy" parts were batterys and charger so I used them to make a portable power supply.The charger has a 3.5 mm male connector so I wired...
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Regulated Power supply
First the theory A power supply is an electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to...
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