Owner: Cool Electronic projects blog URL:http://www.coolcircuit.com/gadgets/ Join Date: Thu, 05 Jun 2008 20:13:22 -0500 Rating:0 Site Description: Cool electronic circuits and projects website. Site statistics:Click here
Sharp IR on Arduino, color feedback 2008-06-03 23:56:50 TheOther1 writes:I bought a Sharp GP2Y0A21YK0F Distance Sensor to use in my robot. It was very easy to see the data returned in a serial console window, but I thought it would be cool to see the distance in zones represented by colors from a tricolor LED. Then you would not need to be connected [...] Read more:Arduino
PIC16F84A Blinker 2008-06-02 05:36:42 This is a LED blinker based on PIC16F84A.The microcontroller blinks the 4 LEDs connected to PortB pins RB4-RB7. Once the pushbutton is pressed, the frequency of the flashes is toggled. This project is powered using two AA batteries.Link
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AVR ATMEGA8 based development board 2008-06-01 01:11:25 This is an AVR ATMEGA8 based development board. This board consists of necessary components such as a LCD display,LEDs, RS-232 port, push buttons, relays, switches etc. It is ideal as a board for development your AVR projects.Link
Related PostsATMEGA8 DevBRDLabkit Hardware BasicsATmega8 Video OverlayThe Tuxgraphics AVR NTP clockThe Bob-clock
The Tuxgraphics AVR NTP clock 2008-06-01 00:59:36 The Network Time Protocol (NTP) has revolutionized the world. Suddenly one could have anywhere in the world accurate time and date. NTP is a simple UDP based protocol and can be implemented in a Microcontroller. Using the tuxgraphics ethernet board and a LCD display we can build a nice clock which gets time and date [...]
Internet0 transceiver 2008-06-01 00:56:10 Internet0 is a project designed by Neil Gershenfield, Raffi Krikorian and Dany Cohen. The concept is a new network of physical objectsthat are IP enabled. Any items we use in everyday life would have the ability to communicate in IP, and thus send data over the internet in a standardized manner, without considerable electronics or [...] Read more:Internet
Serial LCD Interface 2008-06-01 00:50:03 One of the first things people want to interface to a design is an LCD display, both to help with debugging their programs and as a way to provide results to the outside world.
Unfortunately LCD’s require both a lot of I/O lines (7 at best) and require precise timing and command structure that sometimes are [...] Read more:Interface
, Serial
Using HD44780-based LCDs with AVR microcontrollers 2008-06-01 00:35:24 This page describes how to communicate with HD44780-based LCDs (Liquid Crystal Displays) using an Atmel AVR microcontroller.In many microcontroller applications some sort of display is needed to present information and status of the controller to the user. Although a few LEDs can provide a lot of information, a more advanced display is sometimes needed. A [...]
How to use PROTEUS VSM simulate PIC microcontroller circuits. 2008-06-01 00:10:48 In this website you will see several examples how to simulate PIC microcontroller circuit using PROTEUS VSM such as interfacing c,7-segment,switchs etc.Link
Related PostsMIDIATORBasic Stamp PIC Microcontroller Temp SensorLaser Display.NET OscilloscopeSerial interfacing LCD with Pic Microcontroller
Small TV terminal 2008-06-08 02:34:52 This circuit can replace a dot matrix LCD with a TV set. Show your ASCII data on TV instead of an LCD, with resolution of 40 characters x 25 lines.Link
Related PostsBascom and AVR, Using an LCDHow to : RS232 Communication Test RoutineAVR ATMEGA8 based development boardThe Bob-clockUsing HD44780-based LCDs with AVR microcontrollers Read more:Small
, terminal
A 16×16 LED Matrix 2008-06-08 22:21:26 John writes:I read some articles on LED arrays. They described using arrays of 64 or more LEDs as crude oscilloscopes and other interesting things. I decided I’d make one myself - a really big array, 256 LEDs arranged as 16 columns by 16 rows. In 1983, while I was in my final semester of electronics [...] Read more:Matrix
Controller for the Compass 315M-100 DPSS laser head 2008-06-08 22:16:23 The Coherent Compass
315M-100 is a small and sweet DPSS laser head that is relatively cheap to get on the surplus market and ebay and offers approx 100mW of single mode output at 532nm. Running single longitudinal mode is crucial for holography and this sets the head apart from generic DPSS lasers, like tuned-up laser [...]
EAGLE 5.0 2008-06-10 10:30:13 The EAGLE Layout Editor is an easy to use, yet powerful tool for designing printed circuit boards (PCBs). The name EAGLE is an acronym, which stands for Easily Applicable Graphical Layout Editor.The program consists of three main modules ,Layout Editor ,Schematic Editor and Autorouter .New version 5 released.Link
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Easy-PC 2008-06-10 10:16:02 Fully integrated Schematic Capture and PCB Layout, true connective database, unlimited layers, library creation and editing tools, power planes, copper pouring, and many more productivity features.Easy-PC offers truly astounding price/performance in PCB design, a professional level layout product available at computer store prices! Easy-PC for Windows brings you features normally found in the worl
Tiny PIC bootloader 2008-06-12 01:10:00 This is a bootloader for the Microchip PIC microcontrollers.It is the smallest bootloader, taking less than 100 words of program space and Supports families of PIC devices: 16F, 18F, dsPIC30Link
Related PostsThe PIC C Code Wizard
Lithium Ion Battery Charger 2008-06-12 00:06:27 Here is the simple Lithium
Ion Battery Charger
.Lithium Ion batteries pack a lot of power by weight compared to other types. There are 2 things that need to be handled differently than nicad on NiMH 1. They cannot be used as a direct substitute (even if they look like other AA’s) since they run at [...]
Lightning Trigger for a Camera 2008-06-13 01:30:17 This is a relatively simple approach to lightning photography using a trusty blueboard.
The circuit I used to detect the light from the lightning was a very simple circuit that looked like the above circuit diagram. I used a cheap infrared photo transistor because that’s what Radio Shack had. I noticed that the sun, my house [...] Read more:Camera
Circle LED Animation 2008-06-13 01:18:00 This project uses the Simple LED Animation
Kit (SLAK post or page) with the LEDs arranged in a circle around the PIC16F628A.This board only needs 4.5V.Link
Related PostsNo Related Post Read more:Circle
LCD thermometer 2008-06-12 23:10:06 This is a great LCD thermometer
.The circuit used the diode as the thermo sensor to measure more than +100°C.ICL7136 of Intersil (Harris) is used for the thermometer and is measuring the change of the forward direction minute voltages of the diode by the temperature. The 3-1/2 digits liquid crystal display (SP521PR) is used for the [...]
Simple LED flasher circuits 2008-06-12 02:52:22 The simplest LED flasher is simply to use a flashing LED based on 555 and transistor operate as astable circuit.There are many possible applications for the circuits such as Railroad crossing signal for model railroads,Safety blinkers for bicycles,Fun stuff for Halloween, like making those plastic Jack-O-lanterns blink (try using ultraviolet LEDs here),Christmas decorations,Blinkers to locate [... Read more:Simple
LM75 Temperature Sensor with 7 segment display output 2008-06-12 01:30:25 This is a test project built hastily on a solderless breadboard. It uses a LM75 to read the current temperature via I2C and displays the result on three 7 segment displays. It uses a PIC16F628 with an internal 4 Mhz clock.The program was created using JAL.Link
Related PostsPIC Binary CounterHow to use PROTEUS VSM simulate PIC [...] Read more:Sensor
, Temperature
PIC Binary Counter 2008-06-12 01:28:12 This sample project uses a PIC16F628 and 8 LED’s to count in binary. Four switches are used to change the direction and speed of the counter. The program was created using JAL.Link
Related PostsSolid State OscilloscopeLM75 Temperature Sensor with 7 segment display outputA 16×16 LED MatrixSharp IR on Arduino, color feedbackPIC16F84A Blinker Read more:Binary
, Counter
L8Night Picnic 2008-06-12 01:24:28 This simple programmer and up/down-load tool works on 18 pin PIC 16F8x chips. The support for Pic16F88 and Pic16F87 is still in development, as these devices lack the erase+program cycle that the pic16F84 has so the programmer is required to erases in rows of 32 words and program in blocks of 4 words. Link
Related PostsUsbProg-SHARPFREQUENCY [...] Read more:Night
, Picnic
How to : Interfacing Nokia 6100 LCD (color LCD) 2008-06-15 00:07:59 The Nokia
6100 display is able to display 130 by 130 pixels with 8-bit or 12-bit color (4096 colors) and it has a LED backlight. It is controlled with Serial Peripheral Interface Bus (SPI). That means it needs only 3 wires for controlling it : Serial data(SDATA) ,Serial clock(SCLK) ,Chip select (CS).Link
Related PostsSmall TV terminalUsing [...]
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