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AvrPhone using ATmega128 microcontroller

AvrPhone is a simple mobile phone with touchscreen. His brain is AVR ATmega128 microcontroller (128 kB flash, 4 kB SRAM) and user interface, the 2.4 "LCD display with touch foil and ILI9325B controller, equipped with a 16-bit bus. The communication with the old GSM module SIM100Sčísnkého SIMCom manufacturer. The entire system is powered by a 3.7 V/1000 mAh Li-Pol article. This page is intended to present th ...

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Audio Spectrum Monitor using S1D15200 microcontroller

This is an evaluation use of a small graphics LCD module. Last summer, SG12232C graphic LCD module has been sold sold for 1500 Yens from Akizuki Denshi and I bought it. However I could not find good application for the LCD module and it was going to go to junk box :-) so that I tried to use the LCD module temporary. Only displaying any still image is not cool, first I tried to display an audio wave form in ...

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AVR mod player using ATmega325 microcontroller

In 2006, I took part in an electronic demo competition on a Dutch forum (see this topic). Because computer demos like they used to have on old machines like the Amiga or Commodore are harldy made anymore since hardware has come such a long way, someone had the idea to do the same, but on home built hardware. You could use things like a simple microcontroller but not a complete PC or powerful development boa ...

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Longboard Wheel Display using AVR microcontroller

If you're a resident of Seattle, I highly recommend you check out the Bubble events group. One of their regular events over the summer is something called "Nocturnal Push" where you can get decked out in your best glow gear and cruise the Alki Beach strip on your bike, longboard, or whatever. That's why I made this: Background So I'm no stranger to persistance of vision LED displays.  One of the first proje ...

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1750 Meter Lowfer Band amplitude modulated RF source using ATtiny2313 microcontroller

Download the firmware: mor040220BBeacon.asm [caption id="attachment_8672" align="aligncenter" width="389"] The oscillator board is not much more than the 74HC4060 oscillator/divider. The crystal is in a socket. made by cutting down an IC socket.[/caption] This is a low power signal source I put together one evening to provide 187 KHz RF signals for an anticipated receiver investigation. Under Federal Commun ...

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Frequency Meter with 100 MHz RF desktop channel using ATtiny2313 microcontroller

This basically the frequency meter section of the frequency meter/pulse generator based on the AT90S2313 described elsewhere on this site, combined with the 100 MHz RF interface described in the page about the RS-232 to 100 MHz RF desktop channel adapter. Built and align this is the same manner as the 100 MHz RF desktop channel adapter. The frequency meter has a maximum input frequency of 4 Mhz and counts u ...

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RS-232 to 100 MHz RF desktop channel adapter using ATtiny2313 microcontroller

Downloads AVR Studio assembler source code 2jun2002version.asm AVR Studio hex file 232lin.hex This is an adapter that allows a terminal to communicate via a 100 MHz data channel with peripherals on the same desk top. Keystrokes from the terminal are are received through the RS-232 connection and sent through the 100 MHz RF data channel. See the page, Digital Wireless for the Desktop, on this site, for the b ...

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