Quantity   Component name
1 × Arduino Pro Micro
1 × 30A relay module with 2 relays
1 × 5110 LCD display
1 × Rotary encoder with push button
1 × 220 ohm resistor Connectors and Accessories / Miscellaneous Connectors
7 × 10k ohm resistor
1 × 1k ohm resistor
1 × Piezo buzzer