YouDoIt Electronics — one of the few places left in Boston that caters to electronics hobbyists — will offer one-hour Learn to Solder workshops at four times: October 26 at 10AM or 3:30PM and October 27 at 10AM or 3:30PM. The workshop costs $14.90 and is at the store, on the Newton/Needham border (right off Needham Street near the entrance to Rte 128).