7-24V Modbus RTU 4 Channel RS232 Serial Relay Module 5mm to 5mm Flexible Couplings displaying real-time input values to

displaying real-time input values to confirm proper functionality

and close-range object recognition scenarios

Obstacle Detection and Avoidance: Analyzes optical flow patterns to identify approaching obstacles and stationary hazards

Ultrasonic Radar Scanner: Mount an HC-SR04 sensor on the pan axis to create a sweeping radar display on your Arduino serial plotter

7-24V Modbus RTU 4 Channel RS232 Serial Relay Module 5mm to 5mm Flexible Couplings displaying real-time input values to7 24V Modbus RTU 4 Channel RS232 Serial Relay Module The 7 24V Modbus RTU 4 Channel RS232 Serial Relay Module is an industrial grade control interface that enables remote switching of high power loads through serial communication protocols. Industrial automation engineers, SCADA system integrators, and IoT developers use this module to establish reliable communication between host controllers and external relay circuits without requiring direct GPIO