Syncro Volt

29/12/2025

IOT Based Smart Room Automation System using ESP32

The purpose of this project is it demonstrates a complete smart room automation system using ESP32, where multiple appliances and sensors work together to provide automation, safety, and monitoring. It is a practical implementation of IoT-based home automation.

Components Used
ESP32, 2-Ch Relay, DC Fan, AC Bulb with Holder, DHT22, MQ-2 Gas Sensor, IR Sensor, LDR Module, Buzzer, Breadboard, 9V Adapter.

System Working
✅️ AC Bulb is controlled automatically using the LDR sensor (ON in darkness, OFF in daylight).
✅️ DC Fan operation depends on temperature values from the DHT22 sensor.
✅ ️MQ-2 sensor detects gas or smoke leakage and triggers a buzzer alert.
✅ ️IR sensor used for some Motion detection
✅ ️The ESP32 acts as the main controller and can be extended to Wi-Fi / mobile app control.

19/11/2025

Bird Chirping Sound Circuit using NE556 Dual Timer IC

Here is a fun and creative electronics project where I designed a bird-chirping sound generator using the NE556 dual timer IC.
By adjusting resistors and capacitors, the circuit produces a tone similar to a real bird chirp, and the sound is played through a small speaker when the button is pressed.

Components Used
NE556 Dual Timer IC, Push Button, 8Ω Speaker, Capacitors (timing + filtering), Resistors, Breadboard, Wires

How It Works
✅ ️The NE556 contains two 555 timers inside one package.
✅ ️One timer generates the base oscillation frequency, while the second modulates it to produce a chirping effect.
✅️ When the push button is pressed, the speaker outputs the sound that mimics a bird’s chirp.
✅️ Simple, low-cost, and perfect for learning tone generation circuits!

#556

03/10/2025

19/09/2025

IoT Based Temperature Controlled AC Bulb using ESP8266

This project shows how home appliances (like a bulb, fan, or AC) can be automatically controlled based on room temperature. It uses the ESP8266 Wi-Fi module with a DHT11 temperature sensor and a relay to switch an AC bulb ON/OFF.

Components Used
ESP8266 Wi-Fi Module, DHT11 Temperature & Humidity Sensor, 1-Channel Relay Module, AC Bulb + Bulb Holder, 3.7V Li-ion Cell + 1-Cell Holder, 3.3V to 5V Boost Converter, Breadboard and Wires

How It Works
1. The DHT11 sensor continuously measures room temperature.
2. The ESP8266 processes the values and checks if the temperature crosses a set threshold.
✅ ️If temperature is high → Relay turns OFF → Bulb stays OFF.
✅️ If temperature is low → Relay turns ON → Bulb lights up.
3. This system can also be monitored or controlled remotely via IoT platforms (like Blynk / Thingspeak).

11/09/2025

0-9 Decimal to Binary Conversion System using Arduino Nano

This project demonstrates how a decimal number (0–9) can be easily converted and displayed in binary form using Arduino. It’s an excellent project for Digital Logic Design (DLD) and beginner electronics learners.

Components Used
Arduino Nano, TM1637 4-Digit Display, 2 × Breadboards, 10 × Push Buttons (for decimal input 0–9), 4 × LEDs (to also represent binary output visually), Resistors (for LEDs & buttons), Jumper Wires

How It Works
✅️Each push button corresponds to a decimal digit (0–9).
✅️When a button is pressed, the Arduino reads the decimal input.
✅️It then converts the decimal number into binary using simple logic.
✅️The binary equivalent is displayed on the TM1637 display and also shown via 4 LEDs (ON/OFF = 1/0).

Example:
Press button 0 → Binary 0000
Press button 5 → Binary 0101
Press button 9 → Binary 1001

07/09/2025

Urdu Sign Language Translation Project using Arduino Nano

This project is a wearable smart glove that can help in communication for hearing-impaired people. It detects hand gestures (signs) using flex sensors and then translates them into Urdu voice output using a DFPlayer Mini MP3 module and speaker.

It’s also trained using a Python script in VS Code, making it a hybrid project of hardware + software (Machine Learning ML training model).

Components Used:
✅ ️Arduino Nano
✅️ 5 × Flex Sensors (for finger gesture detection)
✅️ DFPlayer Mini MP3 Module
✅️ SD Card (for storing Urdu audio files)
✅ ️8Ω Speaker (for voice output)
✅ ️7.4V Rechargeable Battery
✅ ️CA1235 Buck Converter (for regulated power supply)
✅ ️Veroboard + Wires
✅️ Glove (for mounting sensors)
✅ ️Python Script in VS Code (for training model)

How It Works:
1. Each flex sensor detects the bending of fingers (different hand gestures).
2. The Arduino Nano processes the signals and identifies the corresponding sign.
3. The DFPlayer Mini plays a pre-recorded Urdu voice (stored in the SD card) through the speaker.
4. The glove thus converts hand signs into Urdu speech in real-time.
5. Python training script in VS Code helps refine the gesture recognition model.

Applications
✅️ Assists hearing & speech-impaired people in daily communication.
✅ ️Can be expanded to multi-language support.
✅ ️A great example of combining IoT, embedded systems, and AI/ML concepts.



For more information: WhatsApp on 03285278929

31/08/2025

Automatic Street Lighting System (Working Model)

This project is a working model of automatic street lighting that switches LEDs (as street lights) ON at night or when it’s dark and OFF during the day using an IR sensor. It is a cost-effective and practical demonstration widely used in smart city applications.

Components Required
3 × LEDs (representing street lights), 3 × Resistors (current limiting for LEDs), IR sensor module, 7805 Voltage Regulator IC (for stable 5V supply), 9V Battery, 9V Battery Connector, Jumper wires

Circuit Working
✅ ️The 9V battery powers the circuit, regulated to 5V by the 7805 IC for the IR sensor and LEDs.
✅ ️The IR sensor detects the absence/presence of ambient light.
✅ ️Daytime (light present): IR sensor output keeps LEDs OFF.
✅️ Nighttime (darkness): IR sensor output activates the LEDs (street lights turn ON).
✅️ The resistors protect LEDs from excess current.

27/08/2025

20/08/2025

Traffic Light Circuit using 555 Timer & CD4017 IC

In this project, I’ve built a simple traffic light controller using:
✅ 1x 555 Timer IC (as clock generator)
✅ 1x CD4017 Decade Counter IC
✅ 3x LEDs (Red, Yellow, Green)
✅ 8x 1N4148 Diodes
✅ 1x 1N4007 Diode
✅ Preset Potentiometer
✅ Capacitors & Resistors
✅ Breadboard

The 555 Timer generates clock pulses, while the CD4017 IC sequences the LEDs just like real traffic lights. Timing can be adjusted using the potentiometer.

Perfect for beginners in digital electronics to understand IC counters and sequential LED control.