they just told you NO. as a fellow founder i can tell you that investors have many polite ways to say no. and they will waste your time. i was in hardware too a

they just told you NO. as a fellow founder i can tell you that investors have many polite ways to say no. and they will waste your time. i was in hardware too and ended up bootstrapping. they just invest in whatever is hot right now according to what other investors tell them at their social gatherings. not in what makes sense to invest in.