Counters are very common experiments on digital electronics subjects.

Here's a simple up/down counter that uses 74190.

 

This circuit is easy to implement and here are some of its features:

Presettable - having this capability, it is easy to use for down timers with initial value like 24second shot clock.

Parallel output(BCD) - its bcd output can be easily interface to a bcd-to-sevensegment decoders.

Ripple clock output - you can cascade many 74190 to form 2digit, 4digit and Xdigit counters.

Single input pin for up/down - in case that the requirement is to control the count in a single pin, this 74190 is very applicable.

Please note that you need a switch debouncer on the switch so that you can have a clean count..

3D Image Commander Full v2.2 collage maker

3D Image Commander Full||

[V2.20 & Collage Maker]

Adding Advanced 3D Effects to Your Images

There are many cases where you may want to add various 3d effects to your images. Perhaps you want to give them a unique and special look, customizing your photos to share with your friends and family. Or, perhaps you need to have a more professional and eye-catching design for a brochure or website. However, adding 3d effects to images is not something that can be done without third party software. Adding 3d effects can be done with the expensive, high end graphic design programs, but these are normally preset templates which cannot be fully customized. Also, such programs can be highly complicated to learn due to their complexity and great abundance of features, most of which you will probably never find any use for.

3D Rotation and Curving
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Curves and Stroke
3D Image Commander can create advanced thumbnails with cool styles and effects like dropping shadow, glow and reflection.

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Protect your copyright
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Partion magic 2012 full

The Parted Magic OS employs core programs of GParted and Parted to handle partitioning tasks with ease, while featuring other useful software (e.g. Partimage, TestDisk, Truecrypt, Clonezilla, G4L, SuperGrubDisk, ddrescue, etc…) and an excellent set of info to benefit the user. An extensive collection of file system tools are also included, as Parted Magic supports the following: btrfs, ext2, ext3, ext4, fat16, fat32, hfs, hfs+, jfs, linux-swap, ntfs, reiserfs, and xfs. Parted Magic requires at least a i586 processor and 312MB of RAM to operate or 175MB in “Live” mode.

Parted Magic requires at least a i586 processor and 256MB of RAM to operate or 128MB in “Live” mode.

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What’s New:
* Updated programs: TrueCrypt 7.1, wxGTK-2.8.12, linux-3.2.6, clonezilla-1.2.12-10, partclone_0.2.45, ddrescue-1.15, e2fsprogs-1.42, hdparm-9.38, pciutils-3.1.9, nilfs-utils-2.1.1, ntfs-3g_ntfsprogs-2012.1.15, pcmanfm-mod-1.2.4, unetbootin-linux-568, firefox-10.0.1
* Bugs fixed: Recompiled busybox to include dpkg and ar. Recompiled kernel to add missing bnep module.

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