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74HC138 can be used as an eight output demultiplexer by using one of the activeLOW enable inputs as the data input and the remaining enable inputs as strobes
Wide Range of Digital and Analog Signal Levels
This enables the use of current limiting resistors to interface inputs to voltages inexcess of VCC
The BBC micro:bit is an open development board that allows you to run code on it and have access to all of the hardware
Omron Rotary Encoder (E6B2-CW6C) is an incremental encoder output a pulse string according to the rotational displacement of an axis
Precision Potentiometer (10 Turns -10 Kohm) Made in Mexico IRF640 74HC138 can be used asIntroduction : Precision Potentiometer is multiturn which is designed for control applications where accuracy and high reliability is of major concern. Typical applications are measuring linear distance, angle or rotation in production equipment Features : Power Rating : 2W. Resistance : 10 Kohm. Turns : 10. Type : Precision. Tolerance : 5%. Application : Used to adjust speed, temperature and timers in equipment.