// By default, the hardware SPI pins MISO, MOSI and SCK pins are used // to communicate with the target. ArduinoISP // Copyright (c) 2008-2011 Randall Bohn // If you require a license, see // // // This sketch turns the Arduino into a AVRISP // using the following arduino pins: // // Pin 10 is used to reset the target microcontroller. Programming the ATmega chip (using FTDI USB to Serial Adapter)Ĭurious what all the pin outs are for on the FT232RL breakout board? Simply flip it over! In this situation I'll be using VCC (to supply 5V from the USB port to your board), GND, TXD, and RXD. Plug out the connections and now you can power it with a battery for months depending on the kind of project.Ĥ. Select the item in the Tools > Board menu and be sure to select " ATmega328 on a breadboard (8MHz internal clock) ".Connect GND and VCC of breadboard Arduino to GND and VCC on programmer Arduino.Connect RESET of programmer Arduino to RESET of breadboard Arduino.Refer to the schematics and pin mapping and connect the Rx and Tx of programmer Arduino to Tx and Rx of the breadboard Arduino respectively.Remove the microcontroller of the Arduino you are using as the programmer.Programming the ATmega chip (using other Arduino) If the ATmega is already boot-loaded, then just put it in the breadboard and we can proceed programming the ATmega328p microcontroller.ģ. Use the Burn Boot-loader command in the Tools menu.Select the Arduino as ISP in the Tools > Programmer menu.Select the item in the Tools > Board menu and be sure to select " ATmega328 on a breadboard (8MHz internal clock) " when burning the bootloader.Select the items in the Tools > Board and Serial Port menus that correspond to the board you are using as the programmer (not the board being programmed).
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