Quantity   Component name
1 × AT-tiny 45 The main MCU controlling the whole project
1 × MCP73831T An easy to use single cell lipo charger
1 × Adafruit MiniBoost 5V TPS61023 5v boost converter offered on a small and easy to integrate board
1 × Max7219 Serial interfaced LED multiplexing ICs
1 × Miniature Ultra-Bright 8x8 White LED Matrix Adafruit Product ID: 1079
1 × UJC-HP-3-SMT-TR USB C USB C connector, that with a footprint edit, becomes easy to hand solder.