“on start”: command block only runs once to
start program.
Turn on LED dot matrix.
The program under the block “forever” runs
cyclically.
Toggle the LED brightness at coordinate point
“x 1 y 0”.
Toggle the LED brightness at coordinate point
“x 1 y 0”.
Turn on the LED at coordinate point “x3,y4”.
Delay in 500ms
Turn off the LED at coordinate point “x3 y4”.