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42 items tagged "attiny"
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14:01
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Hack a Day
When the time comes to go to the store and pick up those chocolates you always get your mother for valentines mother’s day, why not spice them up a little with some LEDs? [Dmitry] shows how you can easily add some flashing lights to the packaging without really modifying it. He’s using an ATtiny13 which [...]
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13:01
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Hack a Day
In the world of your dreams, you can build an entire world, an entire universe, an entire society governed by your every whim. While lucid dreaming you are a god in your own mind, free to create or destroy at will. You can train yourself to recognize when you are dreaming, but sometimes a little technological help can [...]
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12:01
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Hack a Day
Falling on the heels of some fabulous ’lets see what we can emulate on an AVR’ builds we’ve seen, [Dimitri] emulated an ARM Cortex-M0 on an 8-pin ATtiny85. The emulator is written entirely in AVR assembly. Unfortunately, the instruction set of ATtinys don’t have a multiply instruction, so that had to emulated in a separate piece of code. Even [...]
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11:01
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Hack a Day
[Pete Mills] recently bought himself a motorcycle, and as people are known to do, they start trying to scare him with gruesome stories of cycling accidents once they hear about his purchase. While he tries to shrug them off as people simply not minding their own business, something must have resonated with him, because he [...]
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9:01
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Hack a Day
We may be showing our age here, but we have no idea what a ‘poke’ on Facebook actually means. Whether it’s the passive-aggressive manifestations of online stalkers or an extension of the ‘like’ button, all we know is [Jasper] and [Bartholomäus] built a machine that translates virtual pokes into our analog world. The “Poking Machine” as [Jasper] and [Bart] [...]
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6:01
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Hack a Day
[wejp] picked up an IKEA SPÖKA night light, but he wasn’t entirely impressed with its functionality. Pressing the top of the ghost’s head causes it to cycle through a few colors, and pressing it a second time locks it into displaying the current color until its tapped again. Inspired by this SPÖKA hack which used [...]
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7:01
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Hack a Day
Like many businesses out there, [Joonas Pihlajamaa’s] employer requires him to change his password every few months. Instead of coming up with a complex, yet easy to remember password again and again, he built a small USB device to do the work for him. He dismantled an old USB memory stick, fitting it with an [...]
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15:01
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Hack a Day
[John De Cristofaro aka Johngineer] uses various ATmega microcontrollers in his electronics projects, but he finds himself reaching for an ATtiny2313 or ATtiny4313 more often than not. He got tired of having to wire up pin headers, capacitors, and the like each time he started a project, so he spent some time designing an easy [...]
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10:58
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Hack a Day
As a senior in high school, [Owen] has been waiting to hear from the colleges he applied to for months now. Some of his applications wanted a mid-year report to see if he didn’t come down with senioritis. [Owen] realized these colleges allowed additional materials beyond a high school transcript, so he built a tiny [...]
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14:01
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Hack a Day
Function generators are a handy bench tool to have around, and while you can usually cobble something together that works, it is much more handy to grab a device when you need it. Thats where this function generator sent to us by [Mohonri]comes in. Based around a ATTiny25 and a rail to rail op amp [...]
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12:01
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Hack a Day
[Quinn Dunki] got some free stuff from Element14 to evaluate, including this Mircrochip WiFi module. It’s been used as the centerpiece of an Arduino shield in the past, and she grabbed a copy of that library to see if it would play nicely with an ATtiny chip. What follows is a struggle to de-Arduino the [...]
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10:36
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Hack a Day
When the Regency TR-1 transistor radio came out onto the market in the 1950s, it was hailed as a modern marvel of microelectronics. With only four transistors and a handful of other components, the TR-1 was a wonder of modern engineering. [Sprite_tm] may have those old-timers beat, though. He built an FM transmitter with the lowest [...]
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11:01
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Hack a Day
Behold this ATtiny85 based EEPROM programmer. It seems like a roundabout way of doing things, but [Quinn Dunki] wanted to build to her specifications using tools she had on hand. What she came up with is an ATtinyISP USB programmer, pushing data to an ATtiny85, which then programs an EEPROM chip with said data. The [...]
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7:01
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Hack a Day
[Chris] has been hard at work building his own version of Simon called [Nomis]. Although [HAD] has featured an ATiny Simon clone before, the article does an excellent job explaining how the system works. The ATTiny85 is used to control this game, which, for now is laid out on a simple breadboard. A PCB version [...]
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10:01
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Hack a Day
Since it’s the holidays and pine trees are being cut down and installed in living rooms all around the world, [Jarv] though it would be a good idea to make a musical Christmas ornament. He needed to keep some of his geek cred, so [Jarv] decided to build a musical [Blinky] ghost from Pacman. A [...]
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5:01
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Hack a Day
We’re all familiar with those musical greeting cards. Give the Hallmark store $10, and you have a card with a microcontroller inside that plays one of several songs available. [Jarv] was playing around with translating MIDI tracks to square wave songs with an Arduino earlier, so he decided to see how cheaply he could reproduce [...]
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15:01
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Hack a Day
[Phil’s] parents grow their own organic food, but the harsh Ukraine winters make storing it a difficult proposition. Since it can drop to -30°C on occasion, they asked him to find a way to keep their storeroom at around 5-7°C above zero. He decided to construct his own programmable thermostat to keep things in check, [...]
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15:35
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Hack a Day
[Larsim] worked out the timing necessary to read button and joystick data from an N64 controller using an ATtiny85 microcontroller. The project was spawned when he found this pair of controllers in the dumpster. We often intercept great stuff bound for the landfill, especially on Hippie Christmas when all the student switch apartments at the [...]
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4:01
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Hack a Day
It seems that [pppd] is always rushing out of his apartment to catch the bus, and he finds himself frequently questioning whether or not he remembered to lock the door. He often doubles back to check, and while he has never actually forgotten to lock the door, he would rather not deal with the worry. [...]
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10:04
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Hack a Day
[Steve] has an older third generation VW Golf, and as those who have owned one surely know, the beloved VR6 engine is wonderful but finicky. He says that the VR6 is particularly picky when it comes to oil temperature, so his daily routine involves hitting the MFA switch five times upon starting his car to [...]
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8:03
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Hack a Day
[Mike Shegedin] makes full use of an 8-pin microcontroller with this ATtiny13-based dice project. With a maximum of six I/O pins (that includes using the reset pin as I/O) he needed a couple of tricks in order to drive 14 LEDs and use a momentary push button for user input. We’re certainly familiar with the [...]
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6:00
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Hack a Day
The folks over at blondihacks are gearing up for an event called “The 24 Hours Of LeMons” which is a form of low-budget endurance racing involving cheap cars, heroic repairs, wacky themes, and a lot of serious driving. The format of the race is pretty simple, the cars race around the track continuously for a [...]
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4:00
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Hack a Day
Servo8bit is a library for AVR microcontrollers that allows you to drive servo motors without the need for a 16-bit timer. Obviously, this is quite useful for smaller chips that only have 8-bit timers and it is specifically targeted at the ATtiny45 and ATtiny85 microcontrollers. The library offers 256 steps of resolution, and can drive up to [...]
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6:00
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Hack a Day
When it comes to Halloween costumes, [Michael] doesn’t like buying expensive and poorly made bits of cloth and fabric that resembles [random Disney character]. Last year, his son decided to be a robot for Halloween and although gray spray paint and dryer vent hose make a very good costume, that only goes so far. The [...]
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4:00
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Hack a Day
Okay, you’ve got a six-pin microcontroller with 1k of program memory, 32 bytes of SRAM, and it can’t be programmed using an In-System-Programmer. Do you think you can use it to develop a game? [Wrtlprnft] managed to build a Simon Says game based on the diminutive device that has four buttons and four LEDs. Judging [...]
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6:00
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Hack a Day
After [trandi] got his hands on a cheap R/C helicopter he realized the difficulties in actually flying a remote control helicopter. Instead of giving up, he decided to reverse-engineer the infrared protocol and then build a decoder around an ATtiny that would send commands to another microcontroller using a serial connection. The remote’s communications protocol [...]
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4:00
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Hack a Day
Since we are in the midst of featuring a wide assortment of ATtiny hacks, [Kenneth] wrote in to share a project he has been developing over the last few months, the SerialCouple. Most all development platforms have the ability to function as an analog to digital converter, but you don’t always need a full-featured board [...]
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6:00
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Hack a Day
[Tom] wanted to try his hand at high-speed photography and needed some equipment to get things rolling. Not wanting to spend a ton of money on a lighting rig or trigger mechanism, he decided to build his own. In a three part series on his blog, he details the construction and testing of his high-speed [...]
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6:00
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Hack a Day
[Tom] recently started experimenting with Charlieplexing, and wrote in to share the 4x4x4 cube he built with an ATtiny24. Similar to this minimalist 4x4x4 LED cube we featured the other day, [Tom’s] version attempts to use the least pins possible to drive the LEDs, but in a different manner. [Tom] didn’t want to sacrifice brightness, [...]
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6:00
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Hack a Day
[MakingThingsWork] wanted an accurate way to keep track of the weight of his beehive, so he decided to build himself a data logging electronic scale. First he ripped the strain gauges from an old electronic scale which he then fitted to his home made beehive base. He then went about designing and building the control [...]
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6:00
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Hack a Day
[TZ] has been using ATtiny microcontrollers to read and pass along data from his Harley Davidson motorcycle. The image you see above is using an ATtiny 4313 to read data from the J1850 bus. The J1850 protocol is an older standard which may not be available in newer vehicles. But if your vehicle has it, [...]
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6:00
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Hack a Day
[Kirill] wrote in to share his ATtiny hack, a 4x4x LED cube. The 64 LED display is a great choice to fully utilize the hardware he chose. It’s multiplexed by level. Each of the four levels are wired with common cathodes, switched by a 2N3904 transistor. The anodes are driven by two 595 shift registers, [...]
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6:00
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Hack a Day
[Dan’s] office is awfully hot, but he needed some real temperature numbers that he could show the building management office to justify opening a maintenance ticket. He had seen some simple temperature probe examples online, and decided to build his own using a small AVR chip. Based off a similar temperature monitoring example called EasyLogger, [...]
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6:00
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Hack a Day
A pair of 6-sided electric dice (original in Dutch, here’s the Google Translate link) was sent in on the tip line for our ATtiny hacks theme. We really appreciate the simplicity of the circuit; it really shows how the complexity of discrete components can be cut down with a simple microcontroller. The circuit is very [...]
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6:01
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Hack a Day
[John Thomson] usually keeps his phone on vibrate when it’s in his pocket, and he often forgets to turn the ringer back on when setting it down to charge. This typically results in a bunch of missed calls in the meantime, so he had to devise a way to counteract his forgetfulness. You might remember [...]
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6:04
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Hack a Day
[Gadre] built his own ATtiny project without using any batteries. It’s an electronic Dice (or die if you’re being critical) which uses induction to charge a storage capacitor to act as the power source. The voltage generator is made from a tube of Perspex which houses a set of rare-earth magnets. At the enter of [...]
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6:00
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Hack a Day
Yup. We have all been there. You throw together a really elaborate Arduino project that only really needs a couple pins, far fewer than the Arduino’s native microcontrollers have to offer. Well fear not, [Thatcher] has solved just this problem by adding some ATTtiny cores to the Arduino IDE. His blog details the process from [...]
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6:00
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Hack a Day
It is time once again to announce a new theme. This time around, we have chosen to highlight projects built around the ATtiny series of processors. These are 6 to 32 pin AVR processors that run up to 16 MHz and have anywhere from 512 Bytes of flash with 32 Bytes of RAM to 16K [...]
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14:09
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Hack a Day
[Owen] just finished putting together a portable helicopter game. It’s pretty impressive, especially since he used an ATtiny13 microcontroller. That chip uses an 8-pin dip package, offering only five I/O pins (six if you use the reset pin) and 1k of programming space. The game runs on a small cellphone-type LCD screen. The helicopter remains [...]
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8:00
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Hack a Day
[Scott] is a big fan of the Arduino platform, and he’s not afraid to admit it. It does all the things he needs, but now and again he would like to use something a bit smaller, without all the bells and whistles the Arduino has to offer. He contemplated using an ATtiny for smaller projects, [...]
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13:14
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Hack a Day
I went to the last monthly meeting of Sector 67, a hackerspace in Madison, WI. One of the things shown off was a color changing LED light bulb that Menards was clearing out for $1.99. Inside there’s two RGB LEDs controlled by an ATtiny13 and powered by an AC/DC buck converter. An ATtiny13 will run [...]
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13:00
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Hack a Day
[gpsKlaus] built this little FM radio (translated) based on the AR1010 IC. That chip is controlled via I2C by an ATtiny45 microcontroller. His tuning implementation relies on presetting 16 stations in the firmware and selecting them with the white potentiometer. The FM chip came on a breakout board from SparkFun. Not bad at around $15 [...]