Owner: YourITronics URL:http://www.YourITronics.com Join Date: Sun, 09 Sep 2007 16:54:11 -0500 Rating:0 Site Description: my personal blog where you will find new stuff about electronics , IT , DIY , gadgets , hi-tech and Debian tutorials.Schematics , pictures , reviews. Site statistics:Click here
AVR controlled clock 2008-03-24 06:44:20 This AVR based clock is one of the most simplest designs you can find, only the basics. Anyone can build it by using cheap and easy to find parts. The author writes: A friend of mine needed a clock into his amplifier as an extra function. So I made him one. It consists only of [...]
PIC Based IR Decoder 2008-03-24 06:35:40 This PIC16F84 based decoder can detect and display on its LCD the exact code that is sent in the IR signal. The project uses two types of IR receivers one for 36 KHz and one for 38 KHz, this ensures adequate sensitivity for all supported protocols.
PIC Based IR Decoder
: [Via] - [Link]
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AVR Based Talking Calculator 2008-03-24 06:28:34 This precise, user-friendly ATmega88 based talking calculator operates with real numbers. It features the four basic operations (addition, subtraction, multiplication, and division) and several useful functions (e.g., change of sign (+/–), inverse (1/x), add with memory (M+), and read from memory (MR). Than after the calculator operates it displays the result on the LCD [...] Read more:Talking
, Calculator
Video-Based Motion Sensor 2008-03-24 06:23:24 MotionSensor
are often needed when working on security system projects or with robotics. For example you could embed this project into your robot and write a code that will allow the robot to do various actions when motion is detected or you could embed this project into a security system that will record video, [...]
DIY Laptop 2008-03-26 13:23:14
I have some serious respect for the author of this project, i mean a DIY Laptop
? not many people would develop this sort of project. There are capable people out there but there is so much work involved and no-one likes to work that much. The Laptop based on PICAXE 18X Microcontroller can only [...]
TDA7313 Audio processor control with LCD display 2008-03-26 13:16:19
ScienceProg presents this AVR based TDA7313 Audioprocessor
control with every detail you need to build it. The project makes use of the TDA7313 Audio processor because this processor is well established in the industry because of its simplicit, functionality and good parameters like low distortion, low noise. TDA7313 features 3 stereo inputs which allows [...] Read more:LCD display
Xbox 360 powered by an ATX power supply 2008-03-26 13:04:02
tizz78 the author of this project writes : The purpose of me attempting this mod was simple : I have 4 xbox 360’s and 2 360 PSU’s . As anyone can ” do the math ” you can see why I did it and especially looking at the price of 360 PSU’s . I had [...] Read more:Xbox
, power
AVR Sound Effects Processor 2008-03-26 12:54:35
The ADC (MAX1111) is controlled by the microprocessor (Mega 32) using the SPI interface which was much easier than manually configuring a port to interface with the ADC(believe me, we tried that). We set the Mega 32 to sample the input at about 12 KHz which is fast enough to meet the Nyquist requirement for [...] Read more:Sound
, Effects
PIC16F877 Timer 2008-03-26 12:49:42 This is a PIC16F877 based Timer
.The outputs consist of a single 7-segment LED display and a piezo speaker . The inputs consist of a 10-position “BCD” rotary switch (for digit entry), two pushbuttons (set and start/stop), and two bits of a 8-position DIP switch (timer selection).
The breadboard on the right of the photo contains the [...]
PIC16F84A temperature controller with LCD 2008-03-26 12:45:34
The module uses an inexpensive 8 bit Temperature Sensor the TMP37 from Analog Devices.Since the data was analog and the PIC16f84 does not have an analog input,an external ADC had to be used.Texas Instruments’ TLC549 was chosen for this.The advantage of this ADC was that it could communicate with the microcontroller
serially.You may also use [...]
Wireless fireworks/rocket launch controller 2008-03-26 12:41:49
If your a fireworks/rocket
geek, you are familiar with this launch controller
s. You can use either a cheap commercial version (the single button launch controller) or you could build this fancy controller. The project also features some diy igniter’s, pretty much all you need to setup your show.
Wireless
fireworks/rocket launch controller: [Via] - [Link]
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Volume [...]
Get 3d images of your PCB using Eagle3D and POV-Ray 2008-03-26 12:17:32 Using Eagle
3D and POV-Ray, you can make realistic 3D renderings of your PCB’s. Eagle3D is a script for EAGLE Layout Editor. This will generate a ray tracing file, which will be sent to POV-Ray, which in turn will eventually pop out the finalized image of your PCB.
Sometimes its nice for esthetic reason’s to know how [...]
Variable Power Supply for mini drill 2008-03-26 12:09:02
T1 steps down AC voltage from 115VAC (or 220VAC) to about 8VAC and is then rectified via bridge rectifier BR1 to about 11.52Vdc. C1 filters off the AC ripple. If you find the circuit output too noisy add another electrolytic capacitor over the output terminals. Value can be between 10 and 100uF/25V. The output voltage [...] Read more:Variable
, Supply
MacBook Air hack to add additional USB ports 2008-03-26 12:01:57 If you will ask Apple or consult any user guide for the MacBook
air it will say that the notebook has only 1 USB port. Is that true ? not really. If you use the developer utility “About This Mac” you will notice there are 7 buss-es, and only some of them are being [...] Read more:ports
Arduino LED particle system 2008-03-29 11:14:58 This project consist of an 8×8 LED grid controlled by the Arduino
. The result is a particle effect, a particle that bounces around the LED matrix. But the arduino only has 13 outputs, so you can only control 13 LEDs? Well, the author discovered that trough Charlieplexing which is a complicated mode of wiring LED’s [...]
One transistor super-regenerative FM receiver 2008-03-29 11:07:46 the author writes: Radio Shack Special…the name was given to it because all of the components may be purchased at your local or nearby hardware and Radio Shack store. Although Radio Shack does not carry a typical 6 lead AM/FM variable (tuning) capacitor for tuning in to all the FM stations, I have managed to [...] Read more:receiver
Sandwich Robot (line follower robot) 2008-03-29 11:03:35 The Sandwhich robot is a cool little robo(line follower robot) that is made from easy to find parts , not to mention cheap, and stuffed together into a plastic sandwich box.
Sandwich
Robot (line follower robot): [Link]
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PIC Microcontroller Temperature Sensor 2008-03-29 11:00:52
crazyrobotsoftware.com writes : As an educational experiment, I decided to build a small temperature sensor, and data logger. Since I have little experience with direct Analog to Digital (A->D) converters, I decided to start out with a little more “meaty” hardware. I used a Basic Stamp II (BOE) BS2-IC microcontroller to capture temperature using a [...] Read more:Microcontroller
, Temperature
, Sensor
PIC12F675 Magnetic Card Reader (for track2 credit cards ) 2008-03-29 10:53:01
Bernie writes: The PIC12F675 looked like a good match for this project. The pair of 10k resistors on GP0 and GP1 are to allow in-circuit programming via a protoclip. RS-232 levels are generated by robbing the negative voltage from the computers transmit line (which is not otherwise used here), and creating usable signal [...] Read more:Reader
, credit
Synchronizing Fireflies 2008-03-28 04:52:24
Synchronizing Fireflies
is actually a board with 25 LED’s each of them going on and off when sensing light. This is done with a Light Dependant Resistor and a ATtiny13 micro-controller. Since the LED’s are placed close to each other, each LED influences the LED’s surrounding them creating a cool effect.
Synchronizing Fireflies: [Link]
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AVR Frequency Counter with LCD 2008-03-28 04:12:55 The counter contains only three inexpensive ICs (well, add a regulator and three transistors), and operates from 6 - 15V DC at about 25mA. The most expensive single item is the LCD display, which is an industry standard 16 x 2 dot matrix module, which can often be found used or at bargain prices. This [...] Read more:Frequency
, Counter
AVR barometric altimeter 2008-03-28 03:31:55 This altimeter was designed to be used for aircraft models. The main features of it are :
Barometric sensing of air presure
Barometric altimeter with 1 meter resolution
Digital temperature sensing
RC servo pulse decoding
Low battery detection
AVR barometric altimeter: [Via] - [Download Project] - [View Project PDF]
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Magstripe Track [...]
Solar powered submarine 2008-03-28 03:22:17
This submarine is so simple because of the use of a laminated/moulded solar module, waterproof by itself and by skipping any attempts to waterproof the connections or the motor. Don’t worry, many simple electric motors do withstand running them immersed in water. Some of them might corrode somewhat after use, making starting up the next [...] Read more:Solar
Microstepping Bipolar Stepper Motor Driver 2008-03-28 03:18:11 This ATmega48 based project involves implementing a low-cost, high-performance bipolar stepper motor driver. The driver is designed for retrofitting a piece of equipment for CNC operation with inexpensive interpreter programs. For example this board was used to control a milling machine.
Microstepping Bipolar
Stepper MotorDriver
: [Via] - [Download Project] - [View Project PDF]
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AVR In Circuit Emulator with USB-A Interface 2008-03-31 06:49:34
AVR-USB-JTAG has all the power of the original AVR-JTAG plus the flexibility of a USB interface. This is a low-priced equivalent of the much more expensive JTAGICE, with a handy and safe optically isolated USB interface. Use it to debug and emulate many of the Atmel processors!
AVR In CircuitEmulator
with USB-A Interface
: [Link]
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Ni-cd, Ni-MH charger 2008-03-31 06:41:25 This Ni-cd, Ni-MH charger features charging at constant current and automatic charge stop when the cumulated voltage for all cell’s reaches the desired value. The project is designed to charge 4 Ni-Cd/Ni-MH cells. This kind of chargers are not expensive to buy, so you could chose a commercial version, but if you’re into electronics [...]
Li-Polymer charger 2008-03-31 06:33:23
Li-Polymer
batteries are more advanced than the old NiCd/ NiMH batteries, thus giving more juice and longer life period. If you are already using a Li-Po battery on your RC model or robot, you notice that the chargers for this type of batteries are quite expensive, so why not build one yourself, you will save [...]
8 channel IR remote control 2008-03-31 06:27:48
IR remote controlling circuits can be used for various applications ranging from robotics to rc models to house appliances. This 8 channel IR remote control project features both the transmitter and the receiver.Both the receiver and the transmitter are controlled by a PIC16F630 .
8 channel IR remote control: [Link]
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ATMEL ISP Module 2008-03-31 06:22:28
ATMEL Microcontrollers can be programmed with ISP(In-System Programming) which helps to develop your applications because you don’t need to insert/remove the microcontroller. This is an ISP module for ATMEL Microcontroller that supports ISP such AT89SXXXX, AVR families etc. It Requires no power supply because it uses power supply from target board. This circuit needs only [...] Read more:Module
AVR controlled color lcd display 2008-03-31 06:10:31 There are tons of well documented projects about controlling a normal lcd display, but people want more and more. PyroElectro has this cool project based on ATmega microcontroller and a nokia 6100 display. Until now the project was only developed to display a colored square on the LCD, but the possibilities are endless, it just [...]
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