Could someone please give instructions on how to build a circuit. I would like to build the $4 link, but I have very little experiance in building circuits. The only thing I have done is built a radio with a radio kit. I have already read the directions for the $4 link, but they seem complicated. Could someoone simplify them for me. Do you put the circuit on a some kind of board? How do you connect the circuit, are there wires?