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boards:nano [2015/01/09 17:09] darron |
boards:nano [2016/07/21 18:43] (current) |
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| This example is a clone with a [[interfaces: | This example is a clone with a [[interfaces: | ||
| - | The clones are very cheap and are nano 3.0 compatible with a ATMEGA328P micro-controller and 16 MHz XTAL. | + | These clones are very cheap and are nano 3.0 compatible with an ATMEGA328P micro-controller and 16 MHz XTAL. |
| === Pinout === | === Pinout === | ||
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| This device is either powered from the USB bus of from VIN which feeds a 5V LDO regulator. | This device is either powered from the USB bus of from VIN which feeds a 5V LDO regulator. | ||
| - | The V3 pin on the CH340G (4) is used to generate the external 3V3 power on pin 17. The maximum current capability is unknown. | + | The V3 pin on the CH340G (4) is used to generate the external 3V3 power on pin 17. Chip documentation suggests that this pin was not designed for this task and its maximum current capability is unknown. |
| === Communications === | === Communications === | ||
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| === Boot loader === | === Boot loader === | ||
| - | An arduino boot loader is present on this device by default running at 57600 baud. Installation of optiboot is recommended to increase this speed to 115200. | + | An arduino boot loader is present on this device by default running at 57600 baud. Installation of [[:tools:optiboot|Optiboot]] |
| === ISP === | === ISP === | ||
| - | A 6-pin ATMEL ISP header is present. This will require | + | A 6-pin ATMEL ISP header is present. This will require |
| < | < | ||
