edu01: led blinking randomly
add ReadMe
edu01: add green led to pin 12 and blink in reverce
edu2: serial communication for beginners
add edu3: clock application
edu04: timer and OOP in Arduino
edu03: change Readme
edu01: format Blink.ino file
edu06: LED digits are for show
edu06: attempt to make 2-digits counter
edu06: LED counter from 0-99 is working ok.
edu05: morse library for led blinking in SOS way
edu06: add picture of LED connections
edu06: create a library for 7-segment display.
edu07: clock for 7-segment
edu08: another clock for 7-segment
edu08: countdown counter for 7-segment
edu06: tune seven_digit_led library
edu10: first setp in servo project. Turn up and down 90 degree in random base. Prototype for 007 target shooting
add TODO list for myself edu