Arduino UNO Sensor Shield Expansion board V5 Development Boards It boasts a peak current

It boasts a peak current of less than 14mA for both receiving and transmitting

T1(Timer1 External Counter Input)

and the second fully user-configurable

delivering calibrated digital signal output

Arduino UNO Sensor Shield Expansion board V5 Development Boards It boasts a peak currentUNO Sensor Shield for Arduino Expansion board V5 This sensor shield for UNO board compatible with Arduino is the latest shield V5 model. This sensor shield allows you to connect to various modules like sensors, servos, relays, buttons, potentiometers and many more directly to your Arduino through this Arduino Sensor Shield. Each functional module has buckled port with VCC, GND, and Output, which has the corresponding port on the Sensor Shield,