يتذكّر [هوت سبوت] "" حلقة أن يتذكّر ذكرىك أو أيّ أخرى تاريخ مهمّة!
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جيّدا, هنا [ا] باردة بعض أنيقة [جولّري] أداة أنّ [لت'س] أنت تذكّرت تاريخ مهمّة مثل ذكرىك.
Some fans of the Remember Ring™ wear multiple rings. “I got two of ‘em.” says Jon Harshmen, “Well, I got one actually-my wife got me the other one.” Holding up his hands to show both rings he says, “Anniversary and Birthday, baby. It’s like a hand gun. Better to have it and not need it, than need it and not have it.”
Remember Rings require no special care, and are completely water proof and impact resistant. Select one of our seven styles in 14k white and yellow gold. Available in sizes 10-13.
Vex Robotics Kit Review (We bought at 40% off at Radio Shack!)

Well, we just bought the Vex Robotics Kit for like a hundred bucks at Radio Shack while shopping
for some parts. Check out the video of what’s inside the kit. Apparently, they are not selling
too well at Radio Shack but the kit itself is a great deal and has lots of parts for other projects.
We couldn’t help but to open up the microcontroller box (spelled mirco controller on the box…)
and found the PIC18F8520 is powering it. I think we might be able to use the compiler included
in this kit for our Make Daisy MP3 player…
Click below for more pictures!
Continue reading ‘Vex Robotics Kit Review (We bought at 40% off at Radio Shack!)’
DIY HACK - Oscilloscope using PIC
Here’s a cool DIY oscilloscope using a PIC12F675 kinda similar to the Atmega Atmel Oscilloscope.
This is a simple PC voltage oscilloscope using only a PIC12F675, a 20MHz oscillator, and a RS232 level shifter. The PIC takes a sample on GP2, immediately sends it to the PC at 115,200 baud using an software asynchronous serial routine, and repeats. It sends a 8-bit value that is read by the Visual Basic software and displayed on the screen (see examples below). The Visual Basic software deduces the time period between submissions and adjusts the display accordingly.
HACK - PIC USB Programming, a Hackaday Competition Entry
Here’s a cool PIC USB programmable microcontroller. Cool…a hackaday competition entry…
“This design uses the Microchip PIC 18F2450 or 18F2550 USB enabled microcontroller. The total parts cost is around $15 including the microcontroller for a single board. The board features a USB port that can be used with a bootloader for easy programming. It is designed to use a 20MHz crystal. Two switches are included, for MCLR and RC0. Five analog inputs are brought out (AN0-AN4) which can be used to read analog sensors, as well as the two CCP ports which can be used to control servos or other devices. A user LED is built in, using RA4. The onboard USART ports are brought out to a three pin header which can be used to talk to other microcontrollers, or to an RS232 device with a MAX232 level converter. The whole of PORTB is brought out to a header, as well as a pair of power headers. An ICSP header rounds out the board for programming the PIC.
DIY HACK - Pyramid Color Changing RGB using PIC!
Here’s howto make your own Pyramid mood changing lamp. This is a lot better then one you can
buy at the mall for like 20 bucks!
Kinda like our Light Orb Alarm Clock, but it’s a pyramid!
DIY HACK - “Propeller Clock” Mechanically Scanned LED Clock
Cool propeller clock you can make!
How this clock works:
A motor spins the “propeller”, and a small microprocessor keeps track of time and changes the pattern on seven LEDs with exact timing to simulate a 7 by 30 array of LEDs. It is an illusion, but it works nicely.If you want to build this clock, you will need a few things, including:
Skill with motors and mechanical things.
Prior electronic experience.
A dead VCR or floppy drive or other source of a suitable motor and miscellaneous parts.
A programmer that will program a PIC16C84 or 16F84 microprocessor.
DIY HACK - How to build a USB device with a PIC
Here’s a cool DIY on how to make a USB device with a PIC via
.
They also have a simple howto on making a USB thermometer to get you started right.
The code looks pretty simple for anyone with prior PIC experience.
You could probably use this for making your own wii controller device for PC.
















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