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The seven segment display is one of the most popular numeric displays used in many microcontroller applications because it’s cheap, robust and reliable. The seven segment actually consists of 8 LED (Light Emitting Diode) and it’s come with various sizes suitable for various numeric display application such as digital clock, counter, thermometer, humidity, etc. For more information please visit www.ermicro.com/blog/?p=844
Im developing hardware and software for PIC micro controllers. The PC is running Microchip MPLAB IDE and PicKit 2 software. On the bread board im using a PIC 16F877 microcontroller linked to a 24LC256 EEPROM and a DS1307 real time clock via the I2C bus. I have also a LM35 tempreture sensor. In this photo im testing the PIC's 10 bit ADC. The input potentiometer is hidden from view but the 10 bit digital output is being displayed on the LED's to the right. This will form the basis for many new projects.
Have you ever thought that most of our perception about the robot is based on the Hollywood movie! The well-known 3CPO and R2D2 from Star Wars until the little cute garbage compacting robot named WALL-E; all of these machines are example of our dreams or should I say our quest to what we all think about the robot should be. Although the robot that we are going to build here is still far away from the technologies shown on those movies but at least it will give you an introductory to the robotics world. for more information please visit www.ermicro.com/blog/?p=983
Arduino UNO was one of the first ever circuit portraits, way back in 2013. This is a new edition with an extra layer and a bit more finesse.
Listed on Etsy here: www.etsy.com/uk/shop/uptomuch?section_id=10073316
Microchip Technology's RE46C162/3 Ion and RE46C165/6/7/8 (RE46C16X) photo smoke-detector ICs make it easy to quickly determine which detector in an interconnected loop triggered an alarm. The ICs’ low energy use enables smoke detectors with a battery life of 10 years, and an interconnect filter enables a connection to other devices, such as CO detectors.
David presents an interfacing Arduino and Adobe Flash. Dorkbot crowd makes up a quick game called "Busy Proctologist" using some craft items, a pressure sensor, and the goatse image.
The crowd concluded after finding a latex glove, a styrofoam ring, some bubblewrap, and some red and brown felt, and a pressure sensor that the game would be called "Busy Proctologist."
Gameplay involves "examining" as many patients in the day as possible (measure by a 1 minute timer in Flash) without causing undue discomfort during the rectal exam (exceeding a moderate pressure range measured by the sensor and arduino.)
Microchip's volatile is a low-power, low-cost DAC that features a 1.8-5.5V wide operating voltage range, and is offered in a 6-pin SC70 package. The MCP47A1 is ideal for applications in the automotive, audio and industrial markets, such as portable, handheld battery-operated products, and applications such as set-point or offset trimming and sensitive mechanical-trim pot replacement. For more information visit www.microchip.com/get/Q2UL.
Light bulb RGB mood light : Screen shot of the oscilloscope showing phase control of green lamp output (lower trace). For more info :
The PIC 16F690 is one of Microchip midrange 8-bit microcontroller that has a build in 10-bit resolution of Analog to Digital Converter (ADC) peripheral. The ADC is one of the important features that enable us to digitize our analog world. Usually we use the electronic sensor to convert the analog value to the voltage level value. For more information please visit www.ermicro.com/blog/?p=660
A small present for my girlfriend.
More infos at blog.gut-man.de/2009/11/08/kleine-aufmerksamkeit-fur-die-...
Yay once more, for I have installed the microcontroller in the clock's mainboard, connected it to the driver / tubes board and successfully burned the controller using the Development Environment of Kings.
It's still not quite a clock; the program it's running just steps the display through all 24 hours at roughly half a second per minute. Hooking up the clock chip is the next step.
Update 9/4/07: OK, now it's a clock. The controller and the clock chip chatter like old buddies. The battery backup works, though I had to put a penny in the battery holder along with the battery because I goofed and bought a 2-battery holder and only use one. I chose a 1925 wheat-back penny I found while clearing enough space in my very cluttered office to make room for the D. E. o'Kings, and it conducts electricity as though mad, apparently. You can set the time and it seems to be rock-solid, though I haven't tested it over more than a few hours yet. All that remain are a couple of finishing touches to the software, and the guts are done done daddy done done.
Next up: The enclosure! Time to go from crudely-sawn wood and hot glue gun glue to a nice wooden Art Decoey thing made of sightly (but not endangered) hardwoods. May take awhile, because I'm even more of a beginner with woodwork than with electronics - but I'm signing up for a woodworking evening class at the local high school so I can get access to the big power tools that won't fit in my basement or budget.
My Arduino on a slate baseplate, plus some more slate pieces and another Arduino on a polycarbonate base.
An Atmel ATtiny24 microcontroller drives an R/C servo wich in turn rotates a line LASER taken from a LASER level.
The microcontroller runs a software real time clock and turns the servo and the line LASER to mimic the shadow cast from the style of a sundial as the time goes.
These are three of my electronic projects. The top one has been going for over two years recording the weather and my motion lights and gate. The bottom unit records the data on a SD flash chip in comma-separated format.
Microchip Technology's PIC18F47J53 8-bit USB microcontroller (MCU) features XLP technology for eXtreme Low Power Consumption, up to 128 KB Flash program memory and 4 KB RAM, offering plenty of code space for Microchip’s free USB stack, and for application code.
Connections on top side of board. Total - 8 wire jumpers.
7 wire jumpers are marked yellow.
Place of jumper #8 is determined by value of voltage, that should be applied to fans.
For 5V fans, green jumper (W1 on schematic) should be soldered,
for 12V fans - red (W2).
Talks and performances by people doing strange things with electricity
Fri 23 March 2012, 6.30-10pm with interval at the Showroom Cinema, Sheffield.
Dorkbot is a meeting of people interested in electric/electronic art in the broadest sense; robotics, kinetic art, microcontrollers, interactive art, algorithmic music, net.art... The only real conditions are that it is a bit strange and involves electricity in some way. It is really defined by whoever turns up, be it engineers who want to be artists, artists who want to be engineers, or the otherwise confused.
This MEGADORK event features a cabaret of talks and performances from among the UK's dorkiest, to entertain and amaze:
Paul Granjon - A strange performance from the world renowned self-styled robot artist.
Patrick Tresset - Talks about his drawing robot Paul (on show as part of the Alan Turing: Intuition and Ingenuity exhibition).
Daniel Jones and James Bulley - talking about generating live music from patterns of weather.
www.variable4.org.uk/about/intro
Sarah and Jenny Angliss - playing robot music from past futures.
spacedog.biz
Sergi Jorda - talks about the Reactable tangible tabletop music playground (which you'll be able to try out at the Central Library Saturday 24 March)
Dan Stowell - Demonstrates his use of the Risset illusion in techno music.
Silicone Bake - Live coded pop songs about love, death and counterfeit watches, where all lyrics are taken from spam emails.
Megadork is curated by Alex McLean.
Dorkbot started in New York, spread to London, and now dozens of cities around the world, including several active UK chapters; Sheffield, Bristol, Anglia, Newcastle, Cardiff and Alba (Scotland). Find out more at: www.dorkbot.org
Lovebytes 2012 - Digital Spring
A Festival of Art, Science and Technology
22-24 March
Sheffield UK
High school students study arduino microcontrollers during the Design It. Build It. Summer Engineering Workshop at Dartmouth.
Photo by Alex Arcone.
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Left LED pair: X axis
Middle LED pair: Y axis
Right LED pair: Z axis
Testing out an ADXL330 accelerometer, and interfacing it to an AVR microcontroller. Read more here
Arduino UNO was one of the first ever circuit portraits, way back in 2013. This is a new edition with an extra layer and a bit more finesse.
Listed on Etsy here: www.etsy.com/uk/shop/uptomuch?section_id=10073316
ICSP 5-pin header. Pin #1 is on a right side.
2N7000 MOSFET transistors. To avoid solder bridges between leads of transistor , use plenty of flux during soldering. Check all neighboring leads for short circuit with continuity meter.
Introducing Microchip's new facility, the India Development Centre, Bangalore. The fully fledged development center, which works on integrated-circuit development and marketing, microcontroller development tools and corporate information systems, was officially inaugurated by Mrs R. Rajalakshmi, Director, Software Technology Parks of India, Bangalore and Microchip's Executive Vice President, Ganesh Moorthy
Introducing Microchip's new facility, the India Development Centre, Bangalore. The fully fledged development center, which works on integrated-circuit development and marketing, microcontroller development tools and corporate information systems, was officially inaugurated by Mrs R. Rajalakshmi, Director, Software Technology Parks of India, Bangalore and Microchip's Executive Vice President, Ganesh Moorthy.
Introducing Microchip's new facility, the India Development Centre, Bangalore. The fully fledged development center, which works on integrated-circuit development and marketing, microcontroller development tools and corporate information systems, was officially inaugurated by Mrs R. Rajalakshmi, Director, Software Technology Parks of India, Bangalore and Microchip's Executive Vice President, Ganesh Moorthy.
Here is the MSF Receiver test bed in 2022, in a conveniently-sized shoebox which helps keep all the bits together.
Here we see the receiver module in a litte cheese carton.
I have managed to damage the receiver module (due to some ham fisted fault finding) which means it will only now function with a much reduced supply voltage, which explains the LM317 in the container.
Then on the main board I have had to add a voltage shifting circuit to lift the reduced output voltage to one which will drive the Arduino which runs the latest version of the code which may eventually find its way into the "built" unit.
There are a few redundant left-over parts from earlier projects.
Definitely a bit "Heath Robinson"!
High school students study arduino microcontrollers during the Design It. Build It. Summer Engineering Workshop at Dartmouth.
Photo by Alex Arcone.
Have you ever thought that most of our perception about the robot is based on the Hollywood movie! The well-known 3CPO and R2D2 from Star Wars until the little cute garbage compacting robot named WALL-E; all of these machines are example of our dreams or should I say our quest to what we all think about the robot should be. Although the robot that we are going to build here is still far away from the technologies shown on those movies but at least it will give you an introductory to the robotics world. for more information please visit www.ermicro.com/blog/?p=983
MC68HCP11A1CFN3 Freescale Semiconductor IC 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC52, PLASTIC, LCC-52, Microcontroller