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Arduino Breadboard

Arduino Parts | DIY Arduino Guide

A reference of Arduino Parts for building your own Arduino board.

Bare Minimum Parts:

Arduino Breadboard

  • Breadboard
  • U1 - ATMega328 Microcontroller (preferably with Arduino bootloader installed)
  • Jumper wires
  • LED
  • R2 - 470 Ohm resistors
  • R1 - 1 x 10k Ohm resistor
  • 2 x 10 uF capacitors (not pictured but needed on PCB version, below)
  • X1 - 16 MHz clock crystal
  • C1, C4 - 2 x 0.1 uF ceramic capacitor
  • C2, C3 - 2 x 22 pF ceramic capacitors 
  • Pushbutton for reset (not pictured)
  • 7805 Regulator IC (not pictured, again for PCB version)
  • USB to Serial Converter Breakout Board

Schematic Diagram

DIY Arduino Schematic

On PCB (with additional LED for power):

Arduino on DIY PCB

Burning the Bootloader:

Arduino Fritzing diagram for Bootloader

  1. Wire the circuit above
  2. Open ArduinoISP sketch: File > Examples > 11.ArduinoISP
  3. Select Tools>Board: Arduino/Genuino UNO and appropriate port
  4. Select Tools>Programmer: Arduino as ISP
  5. Burn the bootloader through Tools>Burn Bootloader

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