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RGB Pixel Clock Part 3

Now to the arduino sketch running on the clock: As mentioned before the RGB LED Pixels are controlled using the FastSPI Library …

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RGB Pixel Clock Part 2

In this part I’m going to mount the LED Pixels onto the holder cutted by some laser cutter out of 5mm thick …

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RGB Pixel Clock Part 1

  When I first stumbled across the Equinox Clock by Bram Knaapen (http://www.bramknaapen.com/?p=549) I was fascinated by this clock. Some time later …

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Improved Funky

For all people interested in the small wireless sensor node Funky: Martin Harizanov improved the Funky and now offers them on his …

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Funky – Power Optimization

To increase the battery life of the little Funky wireless node I tried reducing the clock frequency of the ATTiny to 1MHz …

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Funky

After ordering some of JeeLabs JeeNode Mirco Modules and playing with them, I designed my own ones, even smaller. They are compatible with the JeeLabs RF12 …

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Papilio One

Papilio is an open-source FPGA project intended for education, hobbyists, engineers, or anyone interested in learning Digital Electronics in a friendly community. …

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the world on my table

Now using an ATMega644P and a BTM-222 Bluetooth Module! The bluetooth module can be used to bootload the AVR and to transfer …

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Arduino IKEA Coffee table hack

With three LED Boards from Sureelectronics, a Arduino and my good old ikea couch table I build something new. The displays are …

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DIY RGB Matrix

Components: foam rubber as carrier for the LED’s 10mm diffuse RGB LED’s (I used those sold here:http://evilmadscience.com/partsmenu/89-led ) silver wire insulating tape solder …

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USB DotMatrix Display

Inspired by http://tinkerlog.com/2009/04/05/driving-an-led-with-or-without-a-resistor/ I started to build a USB driven display. I ordered some big green 5×7 dotmatrix display fromhttp://evilmadscience.com/ and had a look at v-usb. …

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RGB LED Matrix

What can you do with 100 common anode rgb leds? Build a 8×8 matrix and interface it! The circuit uses 74HC595 shift …

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Big 7-segment Display Clock

I’ve bought some 14cm high red 7-segment LED Displays on EBay and started to build a clock based on AVR ATTiny2313. The …

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powerRGB

powerRGB is the extension of tinyRGB to drive high power LED’s. For this project I used a 3 x 1W common Anode …

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The LCD module

So here you can find the current testing version of my module. It can be used to display some text but it …

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Interfacing an LCD

Here I describe how to interface a Character LCD based on HD47780 or compatible controllers. Ext IF # LCD # D0 1 …

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The external Interface

When you disassemble your unit you will find some solder pads right behind the IDE connector. This thread at www.openwrt.org shows the pinout and some pics …

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avrTer

AVRTer is not only a Terminal Emulation for AVR, it’s a Terminal build with an AVR.        The Terminal is build with …

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avrDotmatrix

avrDotmatrix uses a 5×7 dotmatrix display and an ATMega8 to create a nice display with scrolling! avrDotmatrix – Is a 5×7 LED …

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avrCCD

avrCCD is an Interface to TSL1401 128×1 Linear Sensor Array with Hold. The TSL 1401 linear sensor array consists of a 128×1 …

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AD9833 / AD5932 Interface

This project describes howto create a waveform generator with an AVR Microcontroller and an Analog Devices DDS circuit. The AD9833 is a …

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tinyRGB

The easiest way to control a RGB Led. tinyRGB uses an ATMEL Attiny15L (8pin uC) to control a standard RGB Led. R1 …