It is probably easier to just install the bootloader from the Arduino IDE. Upload the Sketch (When finished, close the IDE and disconnect your Arduino).Select your Serial Portfrom Tools Board →.Plug in your Arduino UNO (through USB) to your computer.If you upload this code to your Arduino, it will basically act as an AVR programmer. If you go through the Arduino IDE you can see an example sketch called “Arduino as ISP”. Your Arduino UNO board (here used as a programmer).Small Breadboard / Protoboard & 28-Pin (PDIP) IC socket – 1. First we need one blank Atmega328P-PU microcontroller with a few supproting components: This part of AVR tutorial will teach you how to make your own Arduino chip, ie Atmega328P with Arduino Bootloader. So if you are in a plan to make your own open source microcontroller platform – Arduino, no doubt, you need an AVR chip with pre-charged bootloader! This ATMega328 chip holds a pre-burned bootloader, allows you to upload code without using any additional hardware. The P indicates pico for pico-power which is a technology ATMEL has developed that allows the microcontroller to run with less power. It is ATMega328P-PU, a low-power version of the traditional ATMega328-PU. Now, have a look at our favorite Arduino UNO to find out the AVR chip inside.
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