arduino:unofaq
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arduino:unofaq [2010/09/28 19:45] ladyada |
arduino:unofaq [2010/09/28 19:55] ladyada |
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| The first popularly manufactured Arduino was called the NG (New Generation, like Star Trek, yknow?) The NG used the Atmega8 chip running at 16 MHz and an FT232 chip for the USB interface. The bootloader takes up 2KB of space and runs at 19200 baud | The first popularly manufactured Arduino was called the NG (New Generation, like Star Trek, yknow?) The NG used the Atmega8 chip running at 16 MHz and an FT232 chip for the USB interface. The bootloader takes up 2KB of space and runs at 19200 baud | ||
| - | The next version was the Diecimila. The Diecimila updated the chip from the Atmega8 to the Atmega168. The great thing here is double the space and memory (16K instead of 8K). It still ran at 16MHz. The Diecimila also added two extra header pins for 3.3V (from the FTDI chip) and the reset pin which can be handy when a shield is covering up the Reset button. The bootloader takes up 2KB of space and runs at 19200 baud | + | The next version was the Diecimila. The Diecimila updated the chip from the Atmega8 to the Atmega168. The great thing here is double the space and memory (16K instead of 8K). It still ran at 16MHz. The Diecimila also added two extra header pins for 3.3V (from the FTDI chip) and the reset pin which can be handy when a shield is covering up the Reset button. The bootloader takes up 2KB of space and runs at 19200 baud. Auto-resetting was also added which makes life awesomer for everyone. |
| In 2009, the Duemilanove was released. This one also upgraded the chip again, to the Atmega328. Yet another doubling of space and memory! Another upgrade is now the power is automagically switched between USB and DC-jack which removed the previous jumper. This makes it easier and faster to move from programming to standalone and got rid of some confusion. The bootloader takes up 2KB of space and runs at 57600 baud | In 2009, the Duemilanove was released. This one also upgraded the chip again, to the Atmega328. Yet another doubling of space and memory! Another upgrade is now the power is automagically switched between USB and DC-jack which removed the previous jumper. This makes it easier and faster to move from programming to standalone and got rid of some confusion. The bootloader takes up 2KB of space and runs at 57600 baud | ||
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| - If you're planning to make more than one board for your personal use, you will have to [[http://www.usb.org/developers/vendor/|purchase a VID from USB IF]] for a one time $2000 fee | - If you're planning to make more than one board for your personal use, you will have to [[http://www.usb.org/developers/vendor/|purchase a VID from USB IF]] for a one time $2000 fee | ||
| - If you're making a single board for your own experimentation, you can pick a VID/PID that doesn't interfere with any devices on your computer and substitute those in | - If you're making a single board for your own experimentation, you can pick a VID/PID that doesn't interfere with any devices on your computer and substitute those in | ||
| + | - You can purchase licenses for single VID/PID pairs from companies that develop USB devices (we dont have any specific links at the moment) | ||
| However, you can't use the Arduino VID when distributing your own Arduino-compatibles! If the cost of a VID is too much for you, simply go with an FTDI chip, 'K? | However, you can't use the Arduino VID when distributing your own Arduino-compatibles! If the cost of a VID is too much for you, simply go with an FTDI chip, 'K? | ||
/home/ladyada/public_html/wiki/data/pages/arduino/unofaq.txt · Last modified: 2016/01/28 18:05 (external edit)
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