How to make fully automatic homemade incubator using fridge 100 egg capacity for just 1000inr

The above video is my 1 month experiment , it is not more expensive synchronic motar =200inr , temperature controller=300inr ,repair fridge=300inr , if you want you can place humidity meter = 300inr.for temperature controll the bulb should 25v or 40v(based on size of fridge) it will create temperature gradually , else it will damage the egg growth, if need place oxygen supply in water to maintain humidity , plz like , share and subscribe my channal and videos Thankyou