The best practice, but not necessary for this lab, is to have a dedicated power for your motors. Keeping in mind that standard servo's do not tolerate more than 6 volts. Use your Oscilloscope to look ...

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 ...