MicroSD Card Adapter w/ Level Shifters A microSD card reader and writer with included 3.3V regulator and level shifters making safe to interface with most 5V and 3.3V microcontrollers, including the Arduino Uno, Leonardo, Mega, Due, etc.
LM358 Signal Amplifier Module
GD-100F Multi Coin Acceptor Are you trying to make a quick dime from electronics? Why limit yourself to dimes? This coin acceptor will take three different kinds of coin!
LED Traffic Light Module
Grove - Thumb Joystick Grove - Thumb Joystick is a Grove compatible module which is very similar to the 'analog' joystick on PS2 (PlayStation 2) controllers.