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Bluetooth remote controllable (Lego) cars

How it started It started with the idea to make a technical proof of concept combining the Physical Web and WebBluetooth. The Physical Web is an effort by Google to allow interacting with "things" without fiddling around with installing apps or setting anything up. The basic idea behind that is that the "thing" broadcasts a web URL for the client to interact with it. You can read more about it here: https:/ ...

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Markov Music Box

markov summary Traditional music boxes play one or two tunes very well, but are not very interactive. Put differently, they have a high quality of synthesis, but a fixed-pattern note sequencer and fixed tonal quality. I wanted to build a device which would play an interesting music-like note sequence, which constantly changed and evolved, with settable timbre, tempo, and beat. To synthesize nice sounding mu ...

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DIY Canon IR Remote

Hardware components: Atmel ATtiny13a CHF 1.25 × 1 Osram SFH409 IR Diode CHF 0.75 × 1 Battery holder CR1220 CHF 0.65 × 1 Coin Cell Battery CR1220 3V × 1 Push Button CHF 0.25 × 1 Resistor 15Ω CHF 0.07 × 1 Micro Slide Switch SK12D07 CHF 0.28 × 1 Hand tools and fabrication machines: Soldering iron (generic) 3D Printer (generic) Story Introduction Canon SLR cameras have two ways of remote triggering: Either via ...

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wozItDo: Tiny IQ puzzel, BIG challenge

Hardware components: Atmel ATTiny85 × 1 LED (generic) × 3 Resistor 221 ohm Or similar, I used 220 ohm × 3 SparkFun Pushbutton switch 12mm or similar × 1 Coin Cell Battery Holder × 1 Coin Cell Battery CR2032 any 3v cell that fits is fine × 1 Hand tools and fabrication machines: Soldering iron (generic) Story I think of this puzzle as the electronic equivalent of those annoying "IQ" puzzles (e.g. where you ha ...

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The Tinusaur Project

About The Tinusaur What is it Briefly, the Tinusaur is a minimal micro-controller hardware configuration based on Atmel AVR ATtiny family of products and more specifically those with DIP-8 case such as ATtiny25/ATtiny45/ATtiny85, ATtiny13 as well as their variations. The goal of the Tinusaur project is to have a simple, cheap and accessible quick-start platform for everyone interested in learning and creati ...

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Yet Another Z180 (YAZ180) Project

I’m thinking about a new project, something a little unusual but still with a rich history of information upon which to base the build. On Tindie, I found the RC2014 project which is a build of a Z80 platform but based on some modern components. That got me thinking. My next project must be a Z80 based project. Why the Z80? Well, it was at one stage the most used CPU in the world, which leads to the great d ...

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Goldilocks Analogue Synthesizer

For the past year, I’ve been prototyping an Arduino clone, the Goldilocks Analogue, which incorporates advanced analogue output capabilities into the design of the original Goldilocks with ATmega1284p AVR MCU and uSD card cage. Recently the design scope crept up to include two SPI memory devices (EEPROM, SRAM, FRAM), and microphone audio input. But, before I go through another prototype cycle, I thought it ...

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