SPhocsLock - Simple phone controlled strike lock

You are looking for a cheap and easy solution to open the door(or whatever) with your phone ?Here it is:Sometimes people forget to take the latchkey but they never forget their cellphone so as i.What could be better than open the door with the cellphone.Of course i wanted a simple and affordable sol...By: GelstronicContinue Reading »


DIY USB Spectrometer Actually Works

When we hear spectrometer, we usually think of some piece of high-end test equipment sitting in a CSI lab. Sure, a hacker could make one if he or she put their mind to it. But make one out of a webcam, some cheap diffraction grating purchased off ebay and some scrap? Surely not.

[Renaud] pulls off this MacGyver like build with a detailed knowledge of how spectrometers work. A diffraction grating is used to split the incoming light into its component wavelengths. Much like a prism would. The wavelengths then make their way through a slit, which [Renaud] made ¦ Read the rest



PS/2 Synth Will Knock You Off Your Broom

Here™s a hack centered around something a lot of people have sitting around: a PS/2 keyboard. [serdef] turned a Harry Potter-edition PS/2 into a combination synth keyboard and drum machine and has a nice write-up about it on Hackaday.io.

For communication, he tore up a PS/2 to USB cable to get a female mini DIN connector and wired it to the Nano. He™s using a Dreamblaster S1 synth module to generate sounds, and that sits on a synth shield along with the Nano. The synth can be powered from either the USB or a 9-volt.

Keymapping is done with the ¦ Read the rest



An Excel Based High Frequency Transistor Amplifier Calculator

 

[Paulo] just tipped us about an Excel based high frequency transistor amplifier calculator he made. We™re guessing that some of our readers already are familiar with these class A amplifiers, commonly used to amplify small audio signals. Skipping over the fact that their efficiency is quite low ” they are cheap to make, don™t require many components and usually are a great way to introduce transistors to new electronics enthusiasts. All you usually need to do is a few calculations to properly set your output signals and you™re good to go.

Things are however more complex when you ¦ Read the rest



Read #Dune with the SciFri Book Club

For the past six or so months at Adafruit, we™ve been talking about Dune. Frank Herbert™s science fiction classic has inspired makers of props and costumes, and we™ve been rounding those up. If you™ve been following along and love the book, you can join in the SciFri Book Club™s reading of Dune: After a hiatus, [¦]


Design Tip: 3Dshap.es Brings Visual 3D Shape-Search to 3D Printing #3DxDesign #3DThursday #3DPrinting

Looking for that 3D shape that looks kinda like ¦ umm ¦ [Drawing: squiggle-squiggle-squiggle] ¦ this right here! [Points at a drawing board.] Well, 3Dshap.es has now launched a public beta that looks to be that text and visual reverse-dictionary you need when searching for ideas, places to start, things to print out, and things [¦]


Amazon 3D Print Store #3DThursday #3DPrinting

The online retail giant stepped deeply into the world of 3D printing by launching a new śMain Product Categoryť called ś3D Designs & Print on Demandť. It™s very much like Shapeways or Sculpteo: great designs may be browsed, searched, selected, printed and then shipped to your door. At present the service boasts over 200 products, [¦]


#3DPrinted Alien Head #3dthursday

James Bruton shares updates to the 3D Printed Alien Xenomorph. This week he works on the front part of the face! read more on:http://xrobots.co.uk/alien2/ Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with [¦]


Ben Franklin – WeTheBuilder’s Second Sculpture is all sliced up! #3DxArt #3DThursday #3DPrinting #3DScanning

Get Ready to help build Benjamin Franklin. Check out WeTheBuilders here and print and deliver your part by Sept 1st. Check out the pre-announcement here: WeTheBuilder™s Second Sculpture is all sliced up! Our second sculpture has been 3d scanned (thanks to Direct Dimensions) and the 3d model has been sliced up into a whopping 198 [¦]


#3DPrinted $60 bluetooth head mounted display #3dthursday

Tony shares his great design for a $60 bluetooth head mounted display Download the files here:http://www.thingiverse.com/thing:408099 Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each [¦]


Dark Sun Gwyndolin Cosplay

In the video game Dark Souls, Dark Sun Gywndolin has an intimidating appearance. He™s a villain who uses the illusion of Gwynevere to hide his true countenance. Cosplayer Cloud-Dark took on replicating the outfit using two different bridal fabrics for the dress, foam rubber, spray and acrylic paints, Wonderflex, wooden sticks, modeling clay, and more. [¦]


Olaf Diegel Shares Secrets of His 3D Printed ODD Guitars – Sneak Preview of 3D Printed Saxophone #3DxMusic #3DThursday #3DPrinting

Olaf Diegel, designer of the iconic 3D printed ODD Guitars you may have seen all over the place online or at a 3D printing expo, shared a video outlining how he designs and builds his guitars! (Check out below the sneak preview for his next project “ 3D Printed Saxophone!) From the ODD instrument site: [¦]


NEW PRODUCTS – Adafruit 9-DOF Accel/Mag/Gyro+Temp Breakout Board – LSM9DS0 // FLORA 9-DOF ACCELEROMETER/GYROSCOPE/MAGNETOMETER – LSM9DS0

NEW PRODUCT “ Adafruit 9-DOF Accel/Mag/Gyro+Temp Breakout Board “ LSM9DS0: Add motion, direction and orientation sensing to your Arduino project with this all-in-one 9-DOF sensor. Inside the chip are three sensors, one is a classic 3-axis accelerometer, which can tell you which direction is down towards the Earth (by measuring gravity) or how fast the [¦]


Wireless Systems Architect Needed / Adafruit Jobs Board

Wireless Systems Architect Needed / Adafruit Jobs Board ABOUT THE ROLE: goTenna is seeking a wireless systems architect with strong experience in RF and networking. The ideal candidate should have a track record in designing innovative solutions to unique wireless networking problems, particularly ad-hoc networks. The ability to code for and work with MATLAB is required. The person in this [¦]


SmartMesh - Arduino and Android Controlled Pneumatic Facade

This project was part of Multimodal Media Madness 2014, hosted by the chair for Computer Aided Architectural Design (CAAD) and the Media Computing Group of RWTH Aachen University. For more Smart Skins, please check this page: http://hci.rwth-aachen.de/m3_ss14During this project, the students were a...By: ctfreakContinue Reading »


Creating A Resistor Based Keypad & Interface With Arduino!

Hi all!I always preferred resistor divider/ladder based keypads over matrix keypads. If you're clever, all you'll need is one analogue port from your microcontroller to use as many buttons as you'd like. Sure, it requires a bunch of programming, but then again, so does the keypad matrix. In this ...By: EngineeringShockContinue Reading »


Arduino OBD2 Simulator

Ive been building an Arduino OBD2 Scanner to interface with my Jeep's OBD2 port, but it became a beeeeeg! schlep to upload code to my Arduino Nano + 16x2 LCD + ELM327 Scanner device, then haul the whole prototype to the Jeep in the gurage the whole time and then only to find there was something sm...By: mviljoen2Continue Reading »


Breathing Monitor

Breath monitor is a simple project that focus on an individual's breathing rate using the littleBits. This determines whether or not the individual is breathing. If the light does not go on the individual after for a long period, this will show that an individual is not breathing. If the light goes ...By: jorsh 911Continue Reading »


Tb.shield (3 axis timelapse motion control)

I love timelapse photography.Two years ago, driven by a good friend of mine i decided to give it a try on timelapse photography. I had a DSLR camera but didn™t had an intervalometer, so i assembled a small electronic circuit on top of an Arduino Uno, made some basic code and did my first timelapse ...By: TimeblocksContinue Reading »


Scrolling Swami

Introduction:This is nothing more than an Executive Decision Maker, Eight Ball, or similar Yes-No type question answering device but this one has a bit of an attitude.I made a couple of these up for my daughter and son-in-law last Christmas as presents, only then I used 16 Character by 2 Line LCDs. ...By: paulindallasContinue Reading »


Arduino decision box. (Attiny85)

So I was a bit bored this weekend (actually I wrote this some months ago) and since I had ordered a bunch of Attiny85 chips the week after I decided to make a quite random project with them.This is a decision box, it takes decisions for you by showing a green or a red light (it can also show orange ...By: Victor8o5Continue Reading »


How long can you store food for? Just measure its water activity!

BetaWolf is a scientist fascinated by physics, chemistry,  mathematics and especially the symmetry of phenomena in nature and the way humans describe them in the form of fundamental laws. He submitted to our blog a project focused on measuring water activity powered by Arduino Pro Mini : Water activity? And why would I want to measure it? Food always [¦]


Art and science come together to reinvent the wheel “ robot wheel

The Japanese art of paper folding is a difficult one to master, involving taking a 2D sheet of paper and transforming it into 3D shapes. For most of us, three folds are the maximum number we normally handle ─ usually only done when we have to send a letter in […]

Read more on MAKE



R2-Beer2: Old Fridge Turned Into Star Wars Kegerator

  Attention Star Wars fans! Attention beer fans!  Introducing: R2-Beer2. The Kegerator. The wonderful world of Imgur has once again proven that with an idea, a little determination, and some hard work, you can make all your nerdy dreams come true. It all began with a 1955 GE fridge that […]

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Raspberry Pi HAT Specification Released

Arduino has shields. BeagleBone has capes. And now Raspberry Pi has HATs. The Raspberry Pi Foundation officially announced their specification for add-on boards for their new Model B+ single board computer, which just started shipping. HAT stands for “Hardware Attached on Top” and is meant to make it easier for […]

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