HydraBus v1.0 Rev1.4 Final test in progress shall be available 11 May 2020. HydraNFC Shield v2.0 Rev1.4 1st batch production (limited quantity) finished on April and after weeks of research package has been lost by #USPS (CHICAGO) New production has been relaunched stay tuned. pic.twitter.com/brhu6VaIf8