Find your target users as soon as possible and go to reddit and other websites to collect feedback on your products.

2.

Build the framework and crowdfunding time of your product as soon as possible.

3.

Share your products on facebook community, reddit, stumbleupon, forums, producthunt, hackernews, crowfindly and other platforms.

4.

Get more people involved in your project. Publicity pages and information of crowdfunding activities.

5.

Invite influential kol to help promote it on twitter and youtube.

You can look for more information or strategies, or know that the most direct and effective crowdfunding institutions such as innovation can get more opinions.