ABHISHEK_BHARATI'S LEVEL 01 REPORT

16 / 1 / 2026

TASK -3 TEMPERATURE AND HUMIDITY DETECTION (EMBEDED)

OBJECTIVE -

Use the LM35 analog temperature sensor to monitor ambient or localized heat (e.g., near a soldering iron). When temperature exceeds a threshold, turn on an LED using a BJT as a switch. In parallel, use the DHT11 digital sensor to read and display temperature and humidity on a 16x2 LCD.

OUTCOME

I understood the the analog and digital sensor interfacing and where it is used in the real life . it is used in Temperature monitoring , fire alarm , industrial safety Learned the basics of digital sensor interfacing ,in this learned how to use the library basic error handling ideas

PHOTOS OF MY WORK

VIDEO

Task 10 - Auto Night Lamp Using LED for Electric Vehicles(Embedded)

OBJECTIVE

Making a circuit which turns on the lights automatically when it is dark .

working

Voltage divider with ldr and resistor when light falls on the ldr the resistance decreases , next to that transistor base voltage drops so the led gets off . When its dark LDR voltage rises and the transistor voltage rises so the LED on used as a switch npn bjt transistor amplifies the small voltage from the LDR circuit . when base voltage is sufficient the transistor conducts and the LED gets ON .

OUTCOME

learned to built the auto night on light using LDR and Transistor with an simple circuit . https://www.youtube.com/shorts/UIs0ykRmdfU

Task 7 - Solar Tracker(Embedded)

OBJECTIVE

Use LDRs and a servo motor controlled by Arduino to orient a solar panel toward the strongest light source. The system maximizes solar energy collection using dual LDR comparison logic and basic actuator control.

OUTCOME

created a system that turns the solar panel in the direction of the sunlight . So that it can absorb the maximum amount of energy . Sunlight moves in a day from east to west and fixed solar panel can not get the maximum power in a day ....so this project is the good solution for this here i used LDR (light dependent resistor ) SO its basically a resistor whose resistance is inversely proportional to the light falling on it . here Arduino acts as the brain of the system , it takes the decision by collecting the data from the ldr and gives command to the servo motor . servo motor acts as the muscles of the system and moves the panel to 0' to 180' This system is based on the SUNFLOWER concept (HELIO TROPISAM) .

Task 5 - Battery Capacity Measurement(Power Electronics)

OBJECTIVE

Monitor the voltage of a Li-ion battery using analog input on Arduino. Use a MOSFET as a switch to disconnect the load when voltage drops below a safe threshold. Ensures safe battery operation and demonstrates basic battery protection logic.

OUTCOME