Simple & Cheap Arduino Uno ATmega328 Programmer

Here's how to build a simple & cheap Arduino Uno ATmega328 Programmer.

Hope you enjoy it...

Computer.

Arduino UNO.

Perfboard.

PCB connectors pin header.

ATmega328P microcontroller without bootloader.

28 pins socket.

16MHz crystal.

2x 22J capacitor.

Wire.

Soldering kit.

a. Connect the Arduino to the Computer.

b. Open the Arduino application >File >Example >ArduinoISP.

c. Upload the sketch.

d. Open Tools >Programmer >Arduino as ISP.

ATmega328P Pin Mapping > Arduino

1 > 10

7 > VCC

8 > GND

9 > Crystal > Capacitor1 > GND

10 > Crystal > Capacitor2 > GND

17 > 11

18 > 12

19 > 13

20 > VCC

22 > GND

a. Plug your ATmega328 Programmer Shield on the Arduino (refer to photos).

b. Plug the new ATmega328P microcontroller on the Shield.

c. Open Tools >Burn bootloader.

a. Load your sketch for the microcontroller.

b. Open Sketch >Upload using programmer.

That’s it!