Wednesday, January 21, 2015

Build Your Own Arduino Board using Microcontroller ATmega 328

Eltronicschool. - When you want to build your own Arduino board you can use circuit schematic like in figure 1 below. To build your own Arduino board there are many choices of microcontroller to be used. One of the microcontroller it's ATmega 8, 168, 328. Using the ATmega 328 with a larger program memory capacity is 32KB you can get your own Arduino board now.

Circuit Schematic

Figure 1.   Arduino Board using Microcontroller ATmega (Source: bsiswoyo)

Component List
  1. IC1: Microcontroller ATMega8, 168, or 328, it's up to you, please select the one.
  2. Q1: Crystal Resonator, 8MHz or 16MHz.
  3. R1: a pullup resistor to reset for 1K - 10K
  4. C1 and C2 amounted to 22pF.

Description

Circuit schematic like in figure 1 above is Arduino Board using Microcontroller ATmega. VCC supply voltage is 5VDC, not to reverse the polarity, if it happens then the microcontroller will be late aka burning. To fill the program normally using ICSP with 4 signal MISO, MOSI, SCK and RESET. I recommend using USBasp can be made using ATmega8 microcontroller. 5V supply voltage can disuply of USBasp programmer to take power from the USB port of the computer. How to make a programmer USBasp described in other posts.

You can build a circuit using a breadboard to make it easier to experiment with connecting each leg using a component cable around 0.5-1mm ankle. Another option could use PCB hollow and you can connect with a single wire for each leg components soldered manner.


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