Quantity   Component name
1 × Nodemcu V3 $2.50 USD AliExpress / ebay
1 × Max7219 Dot Matrix $3.50 USD AliExpress / ebay
1 × 6vdc Power adapter $3.00 USD AliExpress / ebay
1 × Hammond 1591D Polycarbonate Box $8.50 USD AliExpress / ebay
7 × Dupont cables