Star Tracker by Emvilza: A Stepper Barn Door Mount

Resistor 10k ohm

Industrial Pushbutton Switch, Push-Pull

NTE30100 - LED-BI-COLOR 3MM RED/YELLOW GREEN

1N4004 - Standard Recovery Diode, General Purpose, 400 V, 1 A, Single, 1.1 V, 30 A

Resistor 3K Ohm

ATmega328

Stepper Motor

Arduino UNO

Linear Regulator (7805)

Gear, threaded rod, nuts

Buzzer

Resistor 221 ohm

Capacitor 47 µF

ULN2003AD - Bipolar Transistor Array, Darlington, NPN, 50 V, 500 mA, SOIC

Capacitor 220 µF

5 mm LED: Red