For the electronics

• Arduino Nano 
• TCS34725 Color detection module
• Tp4056 USB charging module
• 1S1P LiPO battery
• MT3608 DC-DC voltage booster
• OLED screen 128×64 SPI module
• PCB (see files in next section)
• Push buttons (x2)
• Female header pins
• Male header pins
• 4.7 kohm 1206 smd resistors (x2)
• 1 Mohm 1206 smd resistor
• 100 kohm 1206 smd resistor
• 10 kohm 1206 smd resistor
• 1 kohm 1206 smd resistor
• Soldering iron, wire, and flux

For the enclosure

• Plant-based UV photosensitive resin
• MSLA 3d printer
• Isopropil alcohol 
• UV curing chamber (optional)
• M3 screws