Quantity   Component name
1 × ESP8266 D1 Mini
1 × RGB LED video wall matrix display
1 × 7493 divide-by-16 counter
1 × 74123 or 74122 retriggerable monostable
1 × 7400 quad 2-input NAND gate
1 × 22pF ceramic capacitor
1 × 51k ohm resistor
1 × Dupont cables