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Information on the LM Comparator Chip for Use in Robotic Circuits

This makes the LM suitable with a 9 V battery, since this battery has a voltage range of approximately 5 V to 10 V. The discussion on the LM comparator chip, which is frequently used by robot builders, is directed to those who are interested in building a light sensing robot, but is still useful for all who wish to incorporate a voltage comparator chip in their robot.

Undoubtedly, the most significant information about a comparator chip is how to connect the pins to the rest of the components in a circuit. These are called pins. In a general sense, an analog voltage comparator chip is like a small voltmeter with integrated switches. However, if the first point has a lower voltage than the second point, the switch is turned off. If you inspect the LM comparator, you will notice metal wires that stick out. Each voltage comparator chip has a datasheet that includes important information about features of the part and how it is an improvement over previous models of that part.


The datasheet provided for the LM states that it has an optimal voltage range of 2 V to 36 V.

If the first point has a higher voltage than the second point, the switch is turned on. Terry has several months of experience building electromechanical transporters.

Datasheets for the LM can be downloaded here: Engineers find the datasheet very useful, as it indicates specific aspects of the comparator that were not present before. It measures voltages at two different points and compares the datashet in quantity of voltage.

Although there are different models of voltage comparator chips, I will discuss a very common comparator, the LM Terry Ligard is a fourth year mechanical engineering student at the University of Alberta. When building your own robot on a solderless breadboard, one of the components of the robot will be its brains.

The figure to the right shows the pinout for the LM comparator. Since the LM comparator chip is too small for an indication of the pins to be printed, the datasheet has an illustrated figure, a pinout, which shows the location and function of each pin.


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