The list of parts required to build an Arduino-SNAP circuit AM radio is as follows:
SNAP Circuits Extreme SC-750 Electronics Discovery Kit (one unit)
Arduino Uno (R3 version) or equivalent (one unit)
littleBits remote trigger (one unit)
littleBits latch (one unit)
littleBits proto module (one unit)
littleBits mounting board (one unit)
R1—470 Ω resistor (yellow, violet, brown, and gold stripes)
D1—1N4001 general purpose diode
K1—5V DC electromechanical relay (SPDT type)
Q1—2N3904 NPN transistor
DIS 16x2 LCD