With the continuous advancement of intelligent technology, infrared remote-control technology has been widely applied in smart homes and mobile devices due to its low cost and convenient operation. In this paper, an intelligent home service robot system is designed and implemented to improve the user’s quality of life and increase work efficiency. The system is based on the Arduino microcontroller, integrating infrared remote-control technology, ultrasonic sensors, photoresistor sensors, servo and motor control modules, achieving multiple functions. Users can manually control the robot’s movement, direction, and stopping through the infrared remote-control module. The ultrasonic sensor module is used for automatic obstacle avoidance, capable of real-time detection of obstacles in front, to the left, and to the right, and planning the travel path accordingly. The photoresistor sensor module realizes the detection of abnormal light sources in the room, enabling the robot to locate the light source automatically. Under the control of the Arduino board, all modules work together to achieve multifunctional integration through code settings. This intelligent home service robot can navigate complex environments and flexibly handle various tasks. This design not only demonstrates the potential application of infrared remote-control technology in robotics but also provides a practical platform for further research in the field of smart homes. By integrating multiple sensors and control modules, the design achieves multi-functional operations of the intelligent home service robot, enhancing user experience and promoting the development and application of smart home and robotic technology.