The 19-year-old joins the USL Pro side on a free transfer.
Signed in July 2012 from Portuguese club S.C. Olhanense, the forward made just two appearances during his 18-months with Rovers. Starting in the league win over Leicester City and the Capital One Cup defeat at MK Dons in August 2012.
Edinho spent the second half of the campaign on loan with Indian Premier League side Shillong Lajong, whilst the early part of this season was spent with Conference South side Whitehawk.
• Meanwhile, Under-21 striker Curtis Haley has mutually agreed to the cancellation of his contract with Blackburn Rovers.