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Note: Pin D9 on the Arduino is not the same pin 9 on the ATmega328 IC. Pin 15 on the IC is actually the pin for Digital Pin 9 (D9) on the Arduino. If you want to see the pinout for the ATmega328 IC, ...
It’s got that characteristic look of a roll-your-own Arduino board ... the obligatory pin 13 LED, and the crystal oscillator can be glimpsed on the far side of the ATmega328.