4.8V-6V Servo Motor Tester

The 4.8V-6V Servo Motor Tester is a compact diagnostic tool designed for quick functional checks and basic calibration of hobby and light-duty servos that operate within the 4.8 to 6 volt range. It provides a straightforward way to verify movement, direction, response to input signals, and basic range-of-motion without wiring to a full control system.Typical uses include bench testing of radio control servos, troubleshooting servo problems during assembly or repair, confirming replacement parts match expected behavior, and verifying servo alignment in small robotics projects. Because it focuses on the common 4.8–6V supply range, it is suitable for many standard analog and digital servo types used in RC models, small robotic mechanisms, and educational kits.The tester is intended to simplify repetitive checks and to help identify issues such as dead travel, jitter, reversed rotation, or inconsistent sweep. When using the tester, observe basic safety precautions: supply the correct voltage, avoid overloading the tester or the servo, and disconnect power before changing connections. This tool is valuable for hobbyists, technicians, and educators who need a reliable, no-frills method to confirm basic servo performance.