This paper presents the development of a remotely operated solar-powered metal detector robot to assist in the humanitarian effort of landmine detection. The deployment of solar-powered metal detector robot on field sites makes the landmine detection system free of the need for refuelling and electrical independence. With the incorporation of inductive sensor, video camera and ATmega32 microcontroller to detect metallic landmines surrounding the suspicious areas. The proposed robotic system was designed and implemented using radio frequency (RF) module for device communication. The robot was tested and analyzed, showing a high-precision metal-detection result, which is competent in robotics applications on landmine sites.