Adafruit's ATmega Pinout Can Save You Troubleshooting Time
Ever have problems identifying pins on IC chips? Does constantly looking at the data-sheet just annoy you? Then, counting the individual pins causes you to have hours of debugging - just to find that you have GND hooked up to the wrong pin? Adafruit has your back and made these handy pinout labels for ATmega328 ICs. Meaning that your breadboard Arduino has just become 10 times easier to use! Check out the download HERE and make sure you use some good double-sided sticky tape to keep it securely adhered.