Help for MK120

hello…my name’s claudia bonaccorso…and i need information to the kit MK120. Please help me!!! i am an italian student and i’m doing a relation of this kit but i don’t have more material about this…CAN ANYBODY HELP ME? :cry:

Circuit diagrams can be found here:

http://www.velleman.be/downloads/files/schema/receiver.jpg

http://www.velleman.be/downloads/files/schema/transmitter.jpg

Sorry, no circuit descriptions.

thanks…but i’ve this circuit and i want the circuit describtions…howewer thank you :smiley: