Tag Archives: simple

Recommended Simple

POV DIY – How to Make a Simple Wave LED Display!

There’s a ton of resources out there for those of you who want to make POVs including my own golf club POV I made couple years back.  Check out this simple wave LED POV display, the author offered some free code so you can bypass the programming part. (or hack it for your own messages)

If you think this device looks similar you would be right, he took the display from the spinning display and mounted a 4 X AA battery holder to it, mounted a small circuit board onto the new dev

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Headphone Hack – How to Make Simple Desktop Computer Wireless Headphones!

Here’s a real simple desktop computer wireless headphone you can make using a JVC wireless headphones instead of buying those $200-300 bluetooth headphones.

Did you know that there’s plenty of 12V and 5V DC lines you can use off your desktop computer to power a whole bunch of devices?  Well, this is a great example of that.

After [Parker] found an old set of JVC 900 Mhz wireless headphones (and a generic 900MHz transmitter), he cracked open the case to see what he could do w

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DIY – Simple LCD Control with Ethernet

Here’s a cool project that you can control your LCD with ethernet.

The simple “switch on/off a relay” circuit which was the only function provided by the avr web server until now did not require HTML-forms. I used simply 2 URLs http://baseurl/password/1 for switching on and http://baseurl/password/0 for switching off. This does not work anymore for the display as we want to type a text into a web page which should then be shown on the display. What is needed is a needed is a proper decoding of HTML form data.


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DIY Circuit – Car Battery Charger

Here’s a cool car battery charger diagram.

This very simple circuit uses a transformer ,two diodes , a capacitor and an ammeter. To charge a battery just connect the + and – terminals of the circuit to the corresponding terminals of the battery. When the battery is not charged, the ammeter reading shows 1-3 amps. When the battery is fully charged the ammeter reads Zero or nearly zero, after which the battery should be removed from the charger.

via electro

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