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The AVR Butterfly is a credit-card sized demo board from Atmel that is feature-packed and retails for under $20 US. The AVR Butterfly is a self-contained, battery-powered demonstration board running theATMEL AVR ATmega169v Microcontroller. The Butterfly board includes an LCD display screen, joystick, speaker, RS232 serial/modem/terminal port, flash RAM chip, temperature, light, voltage & Anolog-to-Digital sensors, serial EEPROM chip and internal EEPROM for data storage. The board has a shirt pin on its back and can be worn as a portable electronic scrolling name badge after you enter your own name. The AVR Butterfly comes preloaded with software to demonstrate the capabilities of the microcontroller. The factory firmware can scroll your name, display the sensor readings like tempurature or light levels. It can show the time. The AVR Butterfly has a piezo speaker that can reproduce music and sounds. The AVRButterfly demonstrates LCD driving by running a 14-segment, 6 alpha-numeric character display. The Butterfly's ATmega 169v CPU is capable of speeds up to 8Mhz. it is factory set by software to 2Mhz to preserve the button battery life. A pre-installed bootloader program allows the board to be re-programmed with a standard RS-232 serial plug. Just look at what it has to offer: Atmega169 MCU 32 x 8-Bit Registers 16K Flash (Program) RAM 512 Byte EEPROM 1K SRAM for Data 2 x B-Bit Timers 1 x 16-Bit Timer 4 PMW Channels UART 100 Segment LCD Display 4 MegaBit (512K Byte) DataFash 32KHz OScillator for RTC 4 Way Joystick Light Sensor (LDR) Tempurature Sensor (NTC) Speaker for Sound Generation Multiple Header Connectors JTAG Port 2 x 8-Bit General I/O Ports ISP Port USI Port RS-232 Level Converter Voltage Level Reading Sony CR2450 3V Lithium Battery Self Programming Bootloader No need to Purchase a Programmer Temperature & Light Level Programs Music/Sound Demo Upload Name for Use as Name-Tag with Pin Write & Upload your own Programs The AVR Butterfly is a credit-card sized demo board from Atmel that is feature-packed and retails for under $20 US. The AVR Butterfly is a self-contained, battery-powered demonstration board running theATMEL AVR ATmega169v Microcontroller. The Butterfly board includes an LCD display screen, joystick, speaker, RS232 serial/modem/terminal port, flash RAM chip, temperature, light, voltage & Anolog-to-Digital sensors, serial EEPROM chip and internal EEPROM for data storage. The board has a shirt pin on its back and can be worn as a portable electronic scrolling name badge after you enter your own name. The AVR Butterfly comes preloaded with software to demonstrate the capabilities of the microcontroller. The factory firmware can scroll your name, display the sensor readings like tempurature or light levels. It can show the time. The AVR Butterfly has a piezo speaker that can reproduce music and sounds. The AVRButterfly demonstrates LCD driving by running a 14-segment, 6 alpha-numeric character display. The Butterfly's ATmega 169v CPU is capable of speeds up to 8Mhz. it is factory set by software to 2Mhz to preserve the button battery life. A pre-installed bootloader program allows the board to be re-programmed with a standard RS-232 serial plug. Just look at what it has to offer: Atmega169 MCU 32 x 8-Bit Registers 16K Flash (Program) RAM 512 Byte EEPROM 1K SRAM for Data 2 x B-Bit Timers 1 x 16-Bit Timer 4 PMW Channels UART 100 Segment LCD Display 4 MegaBit (512K Byte) DataFash 32KHz OScillator for RTC 4 Way Joystick Light Sensor (LDR) Tempurature Sensor (NTC) Speaker for Sound Generation Multiple Header Connectors JTAG Port 2 x 8-Bit General I/O Ports ISP Port USI Port RS-232 Level Converter Voltage Level Reading Sony CR2450 3V Lithium Battery Self Programming Bootloader No need to Purchase a Programmer Temperature & Light Level Programs Music/Sound Demo Upload Name for Use as Name-Tag with Pin Write & Upload your own Programs The AVR Butterfly is a credit-card sized demo board from Atmel that is feature-packed and retails for under $20 US. The AVR Butterfly is a self-contained, battery-powered demonstration board running theATMEL AVR ATmega169v Microcontroller. The Butterfly board includes an LCD display screen, joystick, speaker, RS232 serial/modem/terminal port, flash RAM chip, temperature, light, voltage & Anolog-to-Digital sensors, serial EEPROM chip and internal EEPROM for data storage. The board has a shirt pin on its back and can be worn as a portable electronic scrolling name badge after you enter your own name. The AVR Butterfly comes preloaded with software to demonstrate the capabilities of the microcontroller. The factory firmware can scroll your name, display the sensor readings like tempurature or light levels. It can show the time. The AVR Butterfly has a piezo speaker that can reproduce music and sounds. The AVRButterfly demonstrates LCD driving by running a 14-segment, 6 alpha-numeric character display. The Butterfly's ATmega 169v CPU is capable of speeds up to 8Mhz. it is factory set by software to 2Mhz to preserve the button battery life. A pre-installed bootloader program allows the board to be re-programmed with a standard RS-232 serial plug. Just look at what it has to offer: Atmega169 MCU 32 x 8-Bit Registers 16K Flash (Program) RAM 512 Byte EEPROM 1K SRAM for Data 2 x B-Bit Timers 1 x 16-Bit Timer 4 PMW Channels UART 100 Segment LCD Display 4 MegaBit (512K Byte) DataFash 32KHz OScillator for RTC 4 Way Joystick Light Sensor (LDR) Tempurature Sensor (NTC) Speaker for Sound Generation Multiple Header Connectors JTAG Port 2 x 8-Bit General I/O Ports ISP Port USI Port RS-232 Level Converter Voltage Level Reading Sony CR2450 3V Lithium Battery Self Programming Bootloader No need to Purchase a Programmer Temperature & Light Level Programs Music/Sound Demo Upload Name for Use as Name-Tag with Pin Write & Upload your own Programs The AVR Butterfly is a credit-card sized demo board from Atmel that is feature-packed and retails for under $20 US. The AVR Butterfly is a self-contained, battery-powered demonstration board running theATMEL AVR ATmega169v Microcontroller. The Butterfly board includes an LCD display screen, joystick, speaker, RS232 serial/modem/terminal port, flash RAM chip, temperature, light, voltage & Anolog-to-Digital sensors, serial EEPROM chip and internal EEPROM for data storage. The board has a shirt pin on its back and can be worn as a portable electronic scrolling name badge after you enter your own name. The AVR Butterfly comes preloaded with software to demonstrate the capabilities of the microcontroller. The factory firmware can scroll your name, display the sensor readings like tempurature or light levels. It can show the time. The AVR Butterfly has a piezo speaker that can reproduce music and sounds. The AVRButterfly demonstrates LCD driving by running a 14-segment, 6 alpha-numeric character display. The Butterfly's ATmega 169v CPU is capable of speeds up to 8Mhz. it is factory set by software to 2Mhz to preserve the button battery life. A pre-installed bootloader program allows the board to be re-programmed with a standard RS-232 serial plug. Just look at what it has to offer: Atmega169 MCU 32 x 8-Bit Registers 16K Flash (Program) RAM 512 Byte EEPROM 1K SRAM for Data 2 x B-Bit Timers 1 x 16-Bit Timer 4 PMW Channels UART 100 Segment LCD Display 4 MegaBit (512K Byte) DataFash 32KHz OScillator for RTC 4 Way Joystick Light Sensor (LDR) Tempurature Sensor (NTC) Speaker for Sound Generation Multiple Header Connectors JTAG Port 2 x 8-Bit General I/O Ports ISP Port USI Port RS-232 Level Converter Voltage Level Reading Sony CR2450 3V Lithium Battery Self Programming Bootloader No need to Purchase a Programmer Temperature & Light Level Programs Music/Sound Demo Upload Name for Use as Name-Tag with Pin Write & Upload your own Programs