Current flow through the motor is measured under two conditions, i.e. with load and without load. The shaft of the DC motor is attached with weight of 130 grams as a load. Fig. 7 shows the relationship between the driver output current and duty cycle when there is a load attached. The results showed that the driver managed to control the output current linearly, and therefore the torque by using PWM control signal. This enables the solar tracking system to work properly later on when there is a need to mount more solar panels on it. When there is no load mounted on the motor, the driver only consume current maximum at 0.05A throughout the duty cycle range as shown in Fig. 8. Most of the time, solar tracking system is installed in a remote rural area where power grid is nowhere to be found. This will be a very