Prof. José Manuel Ruiz Gutiérrez Has Contributed This Great New Snap! Block Library
Click this link to download the files including, the original Spanish documentation and .xml block specification.
The library includes the following s2a_fm/Snap! functionality
Blink Function - Toggles a digital output pin for the specified interval
Analog Regulator - Specify an analog input value to control the value of a digital output pin
Tri-State Analog Regulator
Logic Gates:
Digital Clock Signal Generator
One Shot (monostable) Digital Output Generator
FlipFlop (Bistable) Digital Output Generator