An Arduino mini pro provides the brains ... [Dastardly] makes a homemade daughterboard–er, shield–to connect it to the Arduino. The result is a nice little sandwich with a USB plug, a ...

An Arduino Mini is the brains of the operation, paired with an XY-V17B sound module which plays the required animal wailings. There’s also a 433 MHz radio module that lets the prankster trigger ...