ENG H193 Hands-on Lab
Lab 3: IR & Servos
INTRODUCTION
Purpose
The purpose of this lab is to familiarize you with the procedure for mounting
an IR receiver, and the proper code instructions to detect the IR signal and for
operating a servo motor.
Lab Experience
The lab experience will encompass:
1) Mounting an IR receiver,
2) Detecting the IR beacon,
3) Scanning the angle space, and
4) Returning to the original angle.
LAB EXPERIENCE
Tasks
Relevant Files
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Mount an IR receiver on a servo.
Write a code to detect the IR beacon.
Scan from 0 to 180 degrees, and
Return to angle where IR beacon was located.
Relevant files for this lab include:
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servo.icb
servo.c
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r22_ir.icb
r22_ir.c
(Can be loaded using
the “servo.lis” file)
(Can be loaded using
the "r22_ir.lis" file)
The relevant code for adjusting the servo’s precision can be found here. It is
taken from the servo.c file.
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LAB REPORT
Format
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Lab reports must be done Individual
Follow given lab report format.
Nominally 4-5 pages in length (including figures and tables).
General
Guidelines
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Cover page
Description of Experimental Apparatus
Copy of wiring diagram
Copy of code, and
Brief report on how overshoot and deg_step were handled.
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