2x1A DC Motor Shield for Arduino
SGD $ 16.50
DFRobot Leonardo with Xbee socket
SGD $ 22.50
DFRduino UNO R3
SGD $ 20.00
Gravity: I2C TO GPIO shield V2.0
SGD $ 15.00
Gravity: IO Sensor Shield For Arduino Mega Due
SGD $ 17.90
Raspberry Pi UPS HAT
SGD $ 28.90
UPS HAT for Raspberry Pi Zero
SGD $ 26.50