Quantity   Component name
1 × Arduino Nano
1 × LM7809 linear regulator
1 × 16x2 parallel LCD
1 × 2 relay module - 12V coils
1 × 220-12V transformer with bridge rectifier In this case this was obtained from a wall wart
1 × 5V buzzer with oscillator
3 × 55.6W LED driver
3 × 50W 405nm CoB LED
3 × LED heatsinks
1 × A box to form the chamber Approximate dimensions: 450x500x450 mm (width/height/depth)
1 × Aluminum foil To cover the inner walls of the chamber