sensor: an electronic device used to detect light, sound, motion, or energy and relay the information to a processor
servo: short for servo motor – a rotary actuator capable of providing precise control of angular position and speed; it
consists of a motor coupled with a sensor for position feedback
sketch: a set of instructions (a computer program) within the Arduino Software (IDE) platform
standard servo: a servo that can rotate to a known angular position (typically 0°-180°) through internal sensor feedback
statement: one line of code; an instruction to be executed
syntax: the precise way computer code is written to be understood by the computer or microprocessor
TETRIX Ardublockly: a plug-in interface that enables code to be written using graphic blocks rather than syntax-based
coding and displays the coding to assist you in troubleshooting and learning to code
Ultrasonic Sensor: hardware that uses sound waves to determine the distance of an object from the sensor
upload: to move a sketch or file to a computer or microprocessor
variable: a named data item that might have one or more values during the execution of a program
void setup: instruction that provides the initialization of a program
while loop: a set of instructions that continues to execute over and over based on a logic statement
Appendix 127
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