AA5CK on his iDuino MEPT beacon

April 8, 2009 | Amateur Radio | By: Mark VandeWettering

Check out his nice pictures and description of his beacon and keyer:

iDuino

Addendum: His oscillator/buffer board is a very cheap kit produced by www.vakits.com. It seems like quite a bargain, and could easily be the start of a MEPT project.