Tell us about yourself!
Small footprint Arduino Nano with USB charging circuit (Li Ion or LIPO) that can turn itself off (soft latch power)
Wow !! Just Wow !! This is awesome !!Voted right away :)
Precise Air Quality Monitoring System (Portable)
That music in MQ sensor video, that's amusing.Great instructable though !! Voted, Best of luck for the competition :)
Tiny FM Spy Bug
String Butterfly ( String - Nail Art )