Quantity   Component name
1 × Arduino Nano Microcontroller board
1 × DS3231 Clock and Timer ICs / Real-Time Clocks
1 × SBM 4057 ASR 4 inch 5x7 led matrix, common anode
5 × 33 Ohms THT resistor, 1/4 Watt
2 × B3F-4000 Switches and Relays / Switches
1 × PCB https://oshpark.com/shared_projects/dvwWBrEq