Materials:
- 10x 2.4m ( 8ft ) 2x4s
- 1x OSB sheet 240x120cm ( 8x4 ft )
- 12x two led light fixtures for 120cm (4ft) LEDs, 24 cool daylight 18W led lights
- 3x double light switches - one per shelf, half of each switch controlling every other light fixture
- Some screws, wiring, wagos
- Bonus: tapo p110 or other smart plug to turn the lights on/off on schedule
Total cost under $200
When you're not growing seedling you could grow microgreens.
Honestly that space is big enough to grown some veggies in containers
I don't care for microgreens at all, so it's going to be a storage rack.