Fallout 4 traps

Traps in Fallout 4 can be found all over the The Commonwealth.

Barnacle
The barnacle is a slightly larger than normal barnacle found in a few places such as Neponset Park and an unmarked location NW of Breakheart Banks. The barnacle upon getting close to releases a radioactive cloud that gives the Sole Survivor +30 rads/s.

Makeshift bomb
The makeshift bomb can be found in various places like Hugo's Hole and has the appearance of a ciger box with a small circuit board with some diodes in it and duct tape holding it to a wall. Upon disarming a makeshift bomb the Sole survivor nets a Spring,Steel & Copper.

Jury rigged guns
There are numerous types of guns jury rigged to fire at an entrance way when a tripwire or other form of mechanism is activated. These can be double barreled shotguns, pipe pistols & missile launchers.

Grenade bouquet
The grenade bouquet is one to three fragmentation grenades being held by a small wire or string that, upon triggering, a tripwire pulls the pin and drops them to the ground. Upon disarming a bouquet the Sole Survivor gets grenades based on how many were in the bouquet.

Handmade trip wire
The handmade trip wire appears to be a green thread or fishing line that's put across walkways to make a trap go off. Upon disarming the tripe wires the Sole Survivor is awarded a gear and a spring
 * Three can be found in Hugo's Hole

Laser tripwire
The laser tripwire is a fairly obvious tripwire as it emits multiple red lights that are easily seen.
 * Two can be found in the Taffington boathouse
 * Dozens can be found in the basement of the town hall in Jamaica Plain (location of the 'treasure').
 * Upon disarming a Laser tripwire you get a Fiber optics and a Crystal

Tension trigger
The tension trigger appears to be a small box with short range radio capabilities as it has antennae and no physical connection with what they activate.
 * One can be found in Revere Beach station
 * Upon disarming the Sole Survivor is awarded a Spring & a Gear

Bathroom scale
The bathroom scale appears to be a normal bathroom scale with the word "Dead" written on the numbers.
 * One is inside Dunwich Borers.
 * Upon disarming the scale the Sole Survivor is awarded a Copper,Spring & Steel.