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ELECTRICAL CONNECTIONS
Following connections puts the atmega328p in a configuration that
mirrors the configuration of an Arduino Uno.
1. Pin 1 of the IC connects to the 5V via a 10k resistor to prevent
the atmega328p from resetting.
2. A 16MHz crystal oscillator connects to pins 9 and 10, and each pin
of the crystal oscillator connects to ground via 22pF capacitors.
3. Pins 7, 20 and 21 (counted clockwise from the bottom left of the
IC) connect to 5V.
4. Pins 8 and 22 connect to ground.
Now connect the PWM line of the servo to pin 15 of the IC.
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