Arduino Nano with ATmega328P is available in two variants: "ATmega328P" and the older "ATmega328P (Old Bootloader)". The newer variant uses an optimized bootloader which has double upload transfer ...

After you have connected the Arduino board and the programmer to your computer launch the Arduino IDE. Navigate to the Tools > Board menu and select Arduino Duemilanove/Uno (ATmega328) w/ Ariadne ...

由于SPI-CLK引脚正好连上了板载的LED，所以无线下载bootloader没办法像arduino官方bootloader那样闪烁LED提示正在运行，因此烧写完毕后需要测试一下能否正常工作，请按照下文描述的测试方法测试一下 （如果你使用的交叉工具链是winAVR2010的话，还是不要自己编译了。

Signed and encrypted updates – MCUboot has support for encrypting/decrypting images on-the-fly while upgrading. It will also check if the computed signature is matching the one embedded in the image ...

This fully compatible alternative to the Arduino bootloader requires an AVR ISP programmer to burn it to the chip on your Arduino.

Anyone who enjoys building electronic projects using the Arduino prototyping and would like to program their own Atmega328-PU chips. May be interested in a new Arduino prototyping kit and bootloader ...

Above you can see [Hans’] creation next to the official Arduino USB-to-serial programmer. He used the same connection scheme, but went with an edge connector for the USB instead of using a mini ...