METHODOLOGY
8
AEIE, RCCIIT
CHAPTER 2: METHODOLOGY
2.1 IMPLEMENTATION
The project called “Automatic Solar Tracking System” is produced
through installation of the
various nitty-gritty such as solar panel which provides 12 volts as output, an NodeMcu as MCU,
a motor driver – with IC L293D, two LDR sensor module, a 10 r.p.m. simple DC motor, a current
sensor and a 9 V battery.
Construction of the said project is being built out of the wooden base installed at the ground of it,
affixed with the iron rods on both the sides in a cross-shaped manner connected with
a hollow
cylindrical rod from both the sides and the DC motor is clinging at one edge of the hollow rod.
Three-fold sections into which the circuit of the solar tracking system is divided. The input stage
has two LDR module that is so arranged to form a voltage divider circuit, the microcontroller is
programmed through the software named Arduino ide being decked up in the system and lastly
the driving circuit that has the DC motor helps in rotating the solar panel.
The motor driver is
embraced with three terminals- two for motor input/ output respectively and the third one for power
input. The terminal for motor input is connected to 2 of the 14digital input/output pins of Arduino
UNO and subsequently, the motor output terminal is connected to the DC motor. The two LDR
sensor modules are annexed to the scaffolding with NodeMcu analogue inputs.
The light
dependent resistors are then
affixed along the length, on either side of the solar panel.
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