No central website exists where makers–the folks in the DIY tech community–can gather around and show off what they’ve built. As the model stands right now, makers show off their projects on Instructables, link their code to GitHub, then blog about it on WordPress. In most cases when a maker posts a tutorial for a project that goes viral and brings big bucks of revenue to the distributors of the components, he will never see a penny. Without a platform to hang out on and share stories, or a reward system for sharing great ideas, people don’t have much incentive to build beyond their own curiosity.
Embedds has posted this useful project for making an ultrasonic voice-based sensor.
Everyone must have seen those creepy parking sensor that are attached to a car back and gets activated when the driver puts the reverse gear. The sensors sends out the ultrasonic waves and detect the distance and notifies the driver when the distance is too less. It’s a similar project built by using an Arduino and a HC-SR04 ultrasonic sensor which are popular sensor to detect proximity. Apart from it uses an audio shield which has pre stored audio messages that has spoken value between 10-100 cm with a resolution of 5cm.
The audio signals or the voice signals are stored on an onboard SD-card which is integrated in the Audio shield and also has support for Audio output. It’s typically designed to use with as a parking distance. Overall an excellent project which utilizes the audio shield to full extent but integrating it real time can be little tricky and will depend heavily on type of vehicles. However this type of project can be used in AGV’s with a little modification.
Join Becky Stern and friends every week as we delve into the wonderful world of wearables, live on YouTube. We’ll answer your questions, announce a discount code for the Adafruit store, and explore wearable components, techniques, special materials, and projects you can build at home! Ask your wearables questions in the comments, and if your question is featured on a future episode, you’ll be entered to win the show giveaway!
I’ve wanted to play with Adafruit’s NeoPixels for a while now. They’re great little devices, available in a number of form factors for sewing into wearables, mounting on breadboards, or epoxying as strips. Each NeoPixel contains red, green and blue LEDs giving 24-bit colour, and a built-in driver chip which provides a one-wire interface for a microcontroller. Unlike the common analog 12v LED strips, NeoPixels are driven at 5v, giving you more options for powering them in wearables projects.
For my project I decided I wanted to replace my bike lights – I’m always forgetting them, or leaving them on the bike and draining the batteries. I figured I could use NeoPixels to build lights into my messenger bag which I always have with me when I’m cycling.
I decided to go with the 30 pixels per meter weatherproof strip as high resolution wasn’t necessary for the ‘Knight Rider’ effect I wanted to achieve. In retrospect I should have gone for the black backing to make it blend in with the bag’s strap. It also remains to be seen how robust the strips are in the long run, and whether sewable pixels would have been a better choice, but after a month of careful wear everything is still in good shape.
I initially sewed the straps on with thread, but there was too much movement in the strap when worn and the thread cut in. Elastic was a better choice and I swapped the thread out in a couple of key places. The ends of the NeoPixel strip are sealed with hot glue and a capacitor added to smooth out the power-on, also sealed in some heatshrink so the whole thing should stand up to cycling through showers. A 4AA battery pack of rechargeables is concealed in the bag with a superglued guard to stop the power switch being knocked.
The controller is the Adafruit Gemma – a beautiful little Arduino board made for wearables projects. As suggested I used tiny snaps to handle the connections to the board, and secured it tightly with sticky-back velcro. Programming the Gemma is no different from any other Arduino board – you just have fewer pins and less memory. Adafruit distribute a helpful Arduino library for NeoPixels which makes interfacing really easy. Included below is my code to achieve the dual red and white effect. If you want to use it in your own projects I’ve made it available as a Gist.
Hirsch&Mann was delighted to be approached by the PR company Golin Harris to collaborate in creating an interactive, wearable jacket for Cadbury. The project became the “Cadburys Joy Jackets”. A pair of beautifully crafted, meticulously designed, interactive jackets that respond and change as the user eats chocolate. The intention was to amplify the joy experienced by a person as they enjoyed two different (and awesome) flavours of Cadbury chocolates. The two flavours of jackets were related to the Cadbury + Daim and the Cadbury + Oreo collaborations.
Adafruit’s Gemma, a very nice platform a little over an inch in diameter, is ideal for small and wearable projects. The device is inexpensive and based on the ATTINY85 microcontroller. Adafruit has, once again, done an excellent job of designing a cool tool for the electronics hobbyist.
Small as this is, I found myself wanting to shrink the electronics footprint of a wearable circuit even more. I didn’t have a need for some of the Gemma extras such as USB connector or JST for LiPo battery. So, I decided to experiment a little to get a wearable circuit to the bare essentials.
I already had in my toolkit the Adafruit USBtinyISP programmer, and the Evil Mad Scientist ’2313 Target Board with ZIF socket. This board has a simple jumper modification to allow it to be used with ATTINY45/85.
We want to make sure people can identify projects, initiatives and activities coming directly from Arduino but also what comes from the passionate community around the globe, self-organizing local activities and/or online content focused on Arduino.
That’s why we created Arduino Community Logo!
We want to foster the spirit of our mission giving communities and individuals the opportunity to continue organizing locally or globally, online or offline around Arduino, being recognizable as part of this amazing spontaneous community.
You can use the Arduino Community Logo as it is or adding the name of your group (see below for examples).
With this project I tried to translate inspiration from nature to augment human weakness.For this project I won appreciation in form of first prize in various competitions.
Device currently uses Arduino Micro, Ping))) Ultrasonic sensor and vibrating motor. Micro-controller is used to measure the distance of the forth coming object by measuring time of flight of Ultrasonic waves emitted by Ping sensor. Depending on the distance, controller changes the vibration of the vibrating motors. Hence, if the distance is decreasing vibration of the motor increases and if distance increases vibration decreases.
Here is the official press release for the Arduino Micro in collaboration with Adafruit.
Arduino Micro in collaboration with Adafruit
Arduino Micro board – Based on the technology behind the Leonardo board, its main feature is the very small size.
The Arduino Micro packs all of the power of the Arduino Leonardo in a 48mm x 18mm module (1.9″ x 0.7″).
It makes it easier for makers to embed the Arduino technology inside their projects by providing a small and convenient module that can be either used on a breadboard or soldered to a custom designed PCB.
The Micro has been developed in collaboration with Adafruit Industries, one of the leaders of the Maker movement. Adafruit is already developing a series of accessories for the new board that will complement its power and simplicity.
Throughout the month of November the product is available exclusively from Adafruit online and Radio Shack in retail stores.
Main features of Arduino Micro:
The Arduino Micro is a microcontroller board based on the ATmega32u4.
Like its brother the Leonardo board, the Arduino Micro has one microcontroller with built-in USB. Using the ATmega32U4 as its sole microcontroller allows it to be cheaper and simpler. Also, because the 32U4 is handling the USB directly, code libraries are available which allow the board to emulate a computer keyboard, mouse, and more using the USB-HID protocol.
It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a micro USB cable to get started.
This allows the Micro to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-20V
Digital I/O Pins: 20
PWM Channels: 7
Analog Input Channels: 12
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory: 32 KB (ATmega32u4) of which 4 KB used by bootloader
SRAM: 2.5 KB (ATmega32u4)
EEPROM: 1 KB (ATmega32u4)
Clock Speed: 16 MHz
Arduino, the first widespread Open Source Hardware platform, was launched in 2005 to simplify the process of electronic prototyping. It enables everyday people with little or no technical background to build interactive products.
The Arduino ecosystem is a combination of three different elements:
A small electronic board manufactured in Italy that makes it easy and affordable to learn to program a microcontroller, a type of tiny computer found inside millions of everyday objects.
A free software application used to program the board.
A vibrant community, true expression of the enthusiasm powering the project. Every day on the www.arduino.cc website thousands of people connect with other users, ask for help, engage and contribute to the project.
About Adafruit Industries
Adafruit was founded in 2005 by MIT engineer, Limor “Ladyada” Fried. Her goal was to create the best place online for learning electronics and making the best designed products for makers of all ages and skill levels. Since then Adafruit has grown to over 25 employees in the heart of NYC. Adafruit has expanded their offerings to include tools and equipment that Limor personally selects, tests and approves. Adafruit has one of the largest collections of free electronics tutorials, open-source hardware and software to help educate and inspire the next generation of scientists and engineers.
FLORA – Wearable electronic platform: Arduino-compatible: For the last few years Ladyada has been thinking about everything she wanted in a wearable electronics platform for Adafruit’s community of makers, hackers, crafters, artists, designers and engineers. After months of planning, designing and working with partners around the world for the best materials and accessories, we can share what we’re up to. The hardware is now shipping! We call it the FLORA. Read More
Surya sent in their tool (free) for testing Arduino-based GPRS shields -
There are many Arduino-based GPRS shields available today. They make it easier to learn and develop applications that incorporate cellular technology. Strong ecosystem of other Arduino-based devices implies that developers have lot of options to integrate different components in to their solution.
AT Command Tester tool is a PC-based free online application that can be used by developers to test and learn various features of cellular technology.The tool works on popular browsers (Chrome/IE/Firefox/Safari). The tool connects to the GPRS shield via Arduino’s USB interface. Please check Arduino setup write-up on how to setup the communication.
GSM-based devices uses AT Commands as the primary software interface. The tool uses AT commands to communicate with the cellular modem devices.
Key features supported by AT Command Tester tool
Single/Batch AT commands – Users can write/save/load scripts to send batch of AT commands.
Diagnostics – Get modem diagnostics information such as device information, SIM status, network registration/connection status, device settings etc.
Data/Voice call – With AT Command Tester, users can configure the device for making data calls. Users can also test both incoming/outgoing voice calls.
Network Selection – With this feature, users can force the GPRS shields to select network of their choice.
SMS – AT Command Tester provides a simple interface to send/receive SMS messages.
TCP/UDP – Module manufacturers provide embedded TCP/UDP stack so that developers can incorporate common applications such as HTTP, FTP, Email etc in to their soloutions. AT Command Tester provides a easy to use interface to test TCP/UDP on M2M modules.
GPS – Many M2M modules support built-in GPS functionality. Developers can use this feature to develop location-based applications. AT Command Tester provides interface to get GPS data from the module.
3D printed and modeled necklace with polished and thermochromatic plastic. Embedded electronics. STATEMENT explores the nature of fashion and accessories: what they say about the wearer, the consciousness of the wearer of these statements, fashion protocol and the beauty process and preparation. When the wearer touches the main motif, the necklace makes a statement.
Headpiece that pumps thoughts the user may or may not currently experience. The notion is to incur am emotional space that is more conducive to low self-esteem, second guessing and what it may be like to experience some forms of mental illness through the aid of a computer. At what point is the user an emotional robot, and can this state be triggered through the aid of a computer? Personal Thoughts is an attempt a cyborg-type lifestyle and the osmosis that can occur between machine and user with constant interaction between the two forms. The robot voice attempts to enter human space through inflection, and the user attempts to enter robotic space by wearing the piece and contributing their skin as a trigger.
Let’s hearken back to a simpler time. Say, last night? When Thomas Edison inspired me to improve upon the 200 year old design of the carbon arc lamp. Made possible by two pencils and an Arduino. Honorable mention to Dangerous Prototype’s ATX breakout for supplying the 12VDC and 0.5amperes. Also, thank you goes to a class act, Ian Lesnet, for the prompt and kind PFO to a request for free stuff. Hey, ya don’t ask, ya don’t get. Remember the little guys at promo budget time!