Electronics Infoline

Nokia 6280 with SLR optics

19 Nov 2007

This will give you 36x optical zoom on your cell just because of the + the zoom of the lens you may use. It is strongly recomended to use a prime lens for easier calibrating the focal distance.

Identifying Electronic Components

19 Nov 2007

How-to identify and locate information for electronics components you can recycle from discarded gadgets. Brandon gives us example pictures and descriptions for most types of electronics components to help you stock up your home electronics lab. This is a must read for new electronics hobbyist.

Replace a mini USB port on your cellphone

19 Nov 2007

At some point, just about everyone manages to mess up their precious electronics. In this case, someone (not me) somehow managed to totally demolish the mini USB port in their new Motorola cell phone. Surface mount repairs can be challenging without some serious tools, but it is possible to replace parts without a re-work station. This is how to do it with some fairly inexpensive tools.

Adding Internal USB (and internal ReadyBoost) to a UMPC

15 Oct 2007

Identify the interface and pins on the internal USB port. Find a USB hub that will physically fit into the eo. Find a fast flash drive that will also fit. Cut and wire the internal USB port to talk to the hub. Wire a port on the hub to manage the WiFi or Bluetooth module. Get it all to actually fit.

DIY laser long-distance listening device

15 Oct 2007

The following project will show how you can use a laser pointer to hear noises from hundreds of feet away (the distance will be relative to the strength of the laser).

How to Upgrade the Creative Zen Vision W Hard Drive

15 Oct 2007

Add a 100GB Toshiba hard drive to spice up your Zen with more room. Obviously this will void the waranty, but you will have the largest drive in any Zen W in the world.

Interfacing an AVR controller to a GPS Mobile Phone

20 Jul 2007

My goal is to build a kind of a mobile tracker. There are many different use cases you can think of but one of the obvious is a device, that is able to report where it is. This device can be put in your car and it could trigger an alarm, if the car got stolen. Actually it could tell you where it is.

Put DVDs on the iPhone - the super simple way

20 Jul 2007

HandBrake is a GPLd multi-platform, multithreaded DVD to MPEG-4 ripper/converter - it is super easy to rip the DVDs you have and put them on the new iPhone - they look great and are about 1 GB each, here is how.

Mechanical webpage hitcounter

20 Jul 2007

This counter would have an additional advantage, though: every time a person requests a page from my site, the counter would give a satisfying Click!. The more clicks you hear, the more people reading your pages.

AMOS WiFi homemade antenna with semicircular radiation

20 Jul 2007

With 13dB of gain and a big 120 degree beamwidth, this could be one of your best homemade WIFi antenna. It also has a strong front / rear insolation.

4 Tips to Extend Your Lithium Battery Life

20 Jul 2007

Lithium batteries seem to be everywhere these days. We can find them in our cellphones, laptops, portable media players and etc. We all want to make our batteries last as long as possible, but some well intentioned advice from friends, could be harming your Lithium battery life span.

Motherboard PCB Bracelet

1 Jul 2007

This bracelet is for the geeks of the leet\'est and also for looking funky. You will need 1 Computer motherboard and some telephone wire and thick copper wire (size of the earth wire for house wiring)

Uni-Directional WIFI Range Extender

1 Jul 2007

Easily receive WIFI signals from far away using a standard USB WIFI adaptor and a bit of ingenuity. This Simple idea requires no modifications to a USB WIFI adaptor or your computer. A simple way to increase the signal strength and range of your WIFI. Plus it works with all USB WIFI adaptors.

Internet-controlled Swivel Webcam

1 Jul 2007

The idea was to build a cheap, internet-controlled swivel base for a webcam without an analog to digital converter or any complicated logic circuitry.

5 Element Yagi for BlueTooth or WLAN applications

1 Jul 2007

Bluetooth uses 2400MHz to 2483.5MHz. I decided to build this antenna for a great friend of mine who needed a bit more range from his new electric blue Microsoft bluetooth wireless mouse. Here is how.

Internal Bluetooth for your Tablet PC

24 Jun 2007

I wanted to add internal bluetooth to my tablet PC, so I took a USB bluetooth dongle and shoehorned it into my tablet; adding a little control PCB to allow it to be turned on and off.

DIY Bench Power Supply

24 Jun 2007

This is a bench power supply with regulated DC outputs -12V, -15V, +5V, +12V, +15V, and variable and one +35VDC unregulated output.

MintyBoost - Small battery-powered USB charger

24 Jun 2007

This project details a small and simple, but very powerful USB charger for your mp3 player, camera, cell phone, and just about any other gadget you can plug into a USB port to charge!

Using X10 Home Automation and Linux to manage your home internet connection

24 Jun 2007

Monitor the internet connection via shell script, and power cycle the modem with a couple of X10 home automation modules fit the internet is unreachable.

30USD High-Speed PCB Drill Press

24 Jun 2007

Want super clean holes in your latest PCB? Want your PCB drill-bit\'s to last much longer? Tired of using your dremel as the drill press it clearly isn\'t? For around $30, you can build this simple PCB drill-press.

110CFM Laptop Cooler

9 Jun 2007

With around 40 USD in parts, I was able to increase my GPU clock speed by almost 50 percent to over 370MHz. What follows is directions on how do create this cooler yourself. If you are having heat problems with your laptop or want to explore overclocking, give it a try!

Steampunk Monitor Mod

9 Jun 2007

The Steampunk Keyboard looked terribly anachronistic sitting in front of my Dell 1907FP flat panel monitor and while I hesitated to tear open a 300 USD monitor that was still under warantee, art must be served.

Fonera SD Card Modification

9 Jun 2007

I read on several websites, that some people managed to wire a SD Card (or a MMC) to a Fonera access point. After a little googling, I discover this can be done easily, so I decided to test.. but I run into one issue so I decided to describe the process here.

Monitoring Natural Gas Usage

9 Jun 2007

I called my natural gas provider one day, and asked if it was possible to get some kind of output port on my gas-meter so I could monitor how much gas I use. They denied. Then I build this passive method to build this meter. You can even use this to monitor your energy meter.

TinyProjector

9 Jun 2007

It is a very small portable character projector, based on inexpensive laser diodes, projecting a single line of text onto nearby walls and tables. It might be useful for projecting text from portable and wearable devices like cellhones and PocketPCs that will be connected, e.g., via wireless serial connection.

An Inexpensive External GPS Antenna

30 May 2007

Here is a nice GPS antenna for APRS mode that is easy to build yet offers surprisingly good performance in a compact size. Best of all, it uses commonly available components and materials.

An ISA card for the DiskOnChip 2000

30 May 2007

Describes a home-made ISA interface card for using a DiskOnChip in a desktop PC.

Basic USB Communication RS-232 Emulation Method

30 May 2007

With the continuous decrease in the use of COM Port devices and COM Ports itselt, the need to migrate to the USB has become increasingly important. Just take a look at the laptop PCs nowadays, it is a miracle if you can even find just 1 COM Port on it.

Build a battery from Pennies and light some LEDs

30 May 2007

In order to turn pennies into batteries, another electrode and an electrolyte are needed. In this case, dimes (zinc) are used as the positive electrodes and salt water is used an electrolyte.

Convert a computer power supply to lab power supply

30 May 2007

By converting the cheap (free) ATX power supplies that can be found in any discarded computer, you can get a phenomenal lab power supply with huge current outputs, short circuit protection, and very tight voltage regulation.