D-KODE ERA • EMBEDDED & HARDWARE LAB

Build Real-World
Smart IoT Solutions

From simple sensors to connected smart systems — explore 30 practical IoT projects. Equip yourself with hands-on embedded skills, wiring blueprints, and production firmware.

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D-Kode Era IoT Smart Solutions
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Real Projects, Real Skills
Turn smart ideas into working models in Manigram, Butwal.
STRUCTURED LEARNING ROADMAP

Three-Tier Progression Path

LEVEL 1 • 10 Projects🌱

Beginner Tier

Learn the Basics | Build Simple Devices | Understand How IoT Works

  • ◆Fundamental electronics
  • ◆Sensor inputs & ADC
  • ◆Basic actuation (buzzers, LEDs, simple servos)
Filter by this levelFilter →
LEVEL 2 • 10 Projects⚙️

Intermediate Tier

Combine Sensors | Control Systems | Build Smart Applications

  • ◆Sensor fusion
  • ◆Wireless Bluetooth connectivity
  • ◆Motor drivers & feedback loops
Filter by this levelFilter →
LEVEL 3 • 10 Projects🚀

Advanced Tier

Build Complete Solutions | Integrate Multiple Components | Think Like a Developer

  • ◆Multi-node IoT integration
  • ◆Cloud data telemetry & alerts
  • ◆Dual-axis automation & autonomous robotics
Filter by this levelFilter →
🔍
Hardware Filter:
Blind Stick
#01
Beginner
🔍 Inspect
🦯

Blind Stick

Helps visually impaired people navigate safely by detecting obstacles in real-time using ultrasonic sound wave reflections and alerting the user through progressive buzzer pulses and vibration motors.

Hardware Components:
Ultrasonic SensorActive Piezo BuzzerVibration Motor+1 more
MCU: Arduino Nano
Automatic Dustbin
#02
Beginner
🔍 Inspect
🗑️

Automatic Dustbin

Opens automatically when it detects approaching hands or waste, stays open for a convenient duration, and closes automatically with smooth servo damping for superior sanitary hygiene.

Hardware Components:
Ultrasonic SensorServo MotorStatus LED
MCU: Arduino Uno
Day Light System
#03
Beginner
🔍 Inspect
💡

Day Light System

Turns ON/OFF lights automatically based on ambient natural illumination levels, preventing wasteful daytime electricity consumption and providing hands-free nocturnal illumination.

Hardware Components:
LDR Photoresistor10kΩ Resistor Voltage Divider5V Relay Module / High-Power LED
MCU: Arduino Uno
Cloth Saver / Rain Detection
#04
Beginner
🔍 Inspect
🌧️

Cloth Saver / Rain Detection

Detects precipitation instantly and protects clothes drying on rooftops or balconies by automatically retracting the hanger/window awning with a servo motor and sounding a chime alert.

Hardware Components:
Raindrop Moisture BoardServo MotorActive Buzzer
MCU: Arduino Uno
Smart Irrigation System
#05
Beginner
🔍 Inspect
🌱

Smart Irrigation System

Monitors soil moisture levels in real-time and waters agricultural plots or indoor botanical pots automatically, ensuring optimum hydration while conserving precious water resources.

Hardware Components:
Capacitive Soil Moisture Sensor v1.25V Submersible Water PumpSingle-Channel 5V Relay Module+1 more
MCU: Arduino Uno
Automatic Water Tap
#06
Intermediate
🔍 Inspect
🚰

Automatic Water Tap

Turns water flow ON/OFF automatically upon detecting hands underneath the spout, preventing faucet contamination and eliminating water spillage in public institutions and households.

Hardware Components:
TCRT5000 / Sharp IR Proximity Sensor12V Brass Solenoid ValveMOSFET / Relay Driver Board+1 more
MCU: Arduino Nano
Fire Detection & Alarm System
#07
Intermediate
🔍 Inspect
🔥

Fire Detection & Alarm System

Detects nascent smoke, combustible gas leaks, or infrared radiation from active flames and instantly triggers high-decibel audible alarms, strobe sirens, and automated emergency notification.

Hardware Components:
IR Flame Sensor ModuleMQ-2 Gas / Smoke Sensor12V Piezo Siren / Buzzer+1 more
MCU: Arduino Uno
Bluetooth Controlled Car
#08
Intermediate
🔍 Inspect
🚙

Bluetooth Controlled Car

Control a high-mobility 4-wheel drive robotic chassis wirelessly from any Android/iOS smartphone app via Bluetooth UART commands for forward, reverse, steering, and speed acceleration.

Hardware Components:
HC-05 / HC-06 Bluetooth ModuleL298N Dual H-Bridge Motor Driver4x Geared DC Motors with Rubber Wheels+1 more
MCU: Arduino Uno
Obstacle Avoiding Car
#09
Intermediate
🔍 Inspect
🤖

Obstacle Avoiding Car

An autonomous rover that navigates uncharted rooms without human intervention, scanning for obstacles with a revolving ultrasonic eye and plotting collision-free trajectories.

Hardware Components:
HC-SR04 Ultrasonic SensorSG90 Micro ServoL298N Motor Driver+1 more
MCU: Arduino Uno
Smart Parking System
#10
Intermediate
🔍 Inspect
🅿️

Smart Parking System

Detects vacant parking slots in real time, manages vehicle entry/exit with an automated servo barrier gate, and displays available slot metrics on a live digital board.

Hardware Components:
3x - 5x IR Obstacle Sensors2x IR SensorsSG90 / MG90S Servo+2 more
MCU: Arduino Uno
Sun Tracker (Dual-Axis)
#11
Advanced
🔍 Inspect
☀️

Sun Tracker (Dual-Axis)

Tracks the sun's trajectory throughout the day in real time using a quadrant of light sensors and dual-axis servo motors, maximizing photovoltaic panel energy harvest efficiency.

Hardware Components:
4x LDR Light Dependent Resistors with Divider Matrix2x MG996R Metal-Gear ServosMini Solar PV Cell+1 more
MCU: Arduino Uno
Smart City Ecosystem
#12
Advanced
🔍 Inspect
🏙️

Smart City Ecosystem

An integrated miniature smart city model incorporating automated vehicle-detecting street lighting, parking availability, environmental air quality monitoring, and emergency siren grids.

Hardware Components:
MQ-135 Air Quality SensorIR Vehicle Sensors for Adaptive StreetlightsLDR Dusk Sensor+2 more
MCU: ESP32 Dual-Core
Smart Traffic Light System
#13
Advanced
🔍 Inspect
🚦

Smart Traffic Light System

Replaces rigid fixed timers with intelligent computer-controlled traffic lights that calculate real-time vehicle density on each junction lane and automatically clears routes for ambulances.

Hardware Components:
8x - 12x IR Queue Sensors / Ultrasonic arrays12x High-Brightness LEDsRF 433MHz Receiver
MCU: Arduino Mega 2560
Water Level Monitoring & Cloud Alerts
#14
Advanced
🔍 Inspect
💧

Water Level Monitoring & Cloud Alerts

Monitors overhead and underground water reservoirs with millimeter accuracy, automatically refills tanks via high-power AC relay controls, prevents dry-run pump burnouts, and sends push alerts.

Hardware Components:
Waterproof Ultrasonic SensorFloat Switch30A Heavy-Duty Relay Module+1 more
MCU: ESP32
Advanced Bluetooth Robot Car
#15
Advanced
🔍 Inspect
🏎️

Advanced Bluetooth Robot Car

Next-generation 4WD robot car featuring customizable wireless smartphone controls, precision PWM speed curves, ultrasonic obstacle radar, automatic night headlamps, and telemetry feedback.

Hardware Components:
ESP32 / Arduino with HC-05 BLEL298N 4A Motor Driver with Dual PWMUltrasonic Pan Turret+2 more
MCU: Arduino Mega
Touchless Sanitizer Dispenser
#16
Beginner
🔍 Inspect
🧴

Touchless Sanitizer Dispenser

Dispenses a metered dose of liquid hand sanitizer automatically upon optical proximity detection, preventing contact contamination in schools, clinics, and offices.

Hardware Components:
TCRT5000 IR Proximity Sensor5V Micro Diaphragm PumpTIP120 Darlington Transistor+1 more
MCU: Arduino Nano
Bidirectional Visitor Counter
#17
Beginner
🔍 Inspect
👥

Bidirectional Visitor Counter

Tracks people entering and leaving a room using two sequential optical beam sensors, calculating real-time room occupancy and controlling room lighting.

Hardware Components:
2x IR Break-Beam Sensors16x2 I2C LCDRelay Module for Room Light
MCU: Arduino Uno
Ambient Climate & Heat Index Monitor
#18
Beginner
🔍 Inspect
🌡️

Ambient Climate & Heat Index Monitor

Monitors ambient indoor temperature, relative humidity, and calculates the thermal heat index, displaying metrics and comfort alerts on a graphic monochrome OLED screen.

Hardware Components:
DHT11 / DHT22 Digital Sensor0.96-inch I2C SSD1306 OLED DisplayAlert Buzzer
MCU: Arduino Nano
LPG Gas Leakage Detector
#19
Beginner
🔍 Inspect
⚠️

LPG Gas Leakage Detector

Detects combustible LPG, propane, and butane gas leaks in residential kitchens, sounds an alarm, and automatically starts an exhaust ventilation fan to prevent explosions.

Hardware Components:
MQ-6 / MQ-2 LPG Sensor12V DC Exhaust Fan RelayHigh-Decibel Piezo Siren
MCU: Arduino Uno
Automatic Railway Gate Control
#20
Beginner
🔍 Inspect
🚂

Automatic Railway Gate Control

Automates unmanned level-crossings: detects approaching trains on railway tracks, closes motorized boom barriers, flashes warning lights, and re-opens after the train has cleared.

Hardware Components:
2x Track Proximity IR Sensors2x SG90 Micro ServosRed/Green Crossway LEDs+1 more
MCU: Arduino Uno
RFID Smart Door Lock & Access Control
#21
Intermediate
🔍 Inspect
🔑

RFID Smart Door Lock & Access Control

Secures doors with contactless RFID smart cards or key fobs, authenticates UID codes, unlocks electronic door latches, and denies access to unauthorized tags with audible alerts.

Hardware Components:
RC522 RFID SPI Module12V Electronic Solenoid LockMOSFET / Relay Module+1 more
MCU: Arduino Uno
Hand Gesture Controlled Robotic Vehicle
#22
Intermediate
🔍 Inspect
🖐️

Hand Gesture Controlled Robotic Vehicle

Operate a robotic vehicle or electric wheelchair through intuitive natural hand tilts (pitch and roll) measured by a wearable IMU sensor glove transmitting wireless RF packets.

Hardware Components:
MPU-6050 6-Axis IMU2x NRF24L01+ 2.4GHz RF TransceiversL298N Motor Driver+1 more
MCU: 2x Arduino Nano (Transmitter Glove + Receiver Car)
Edge-Detecting Tabletop Cleaner Bot
#23
Intermediate
🔍 Inspect
🧹

Edge-Detecting Tabletop Cleaner Bot

Cleans desks and conference tables autonomously with a micro-suction fan while detecting table edges and avoiding plummeting off edges using downward cliff sensors.

Hardware Components:
2x Downward IR Cliff Sensors5V Centrifugal Suction FanL9110S Motor Driver+1 more
MCU: Arduino Nano
Sound-Activated Smart Light Matrix
#24
Intermediate
🔍 Inspect
🎵

Sound-Activated Smart Light Matrix

Visualizes music and ambient speech through dynamic color equalizer waves on individually addressable WS2812B RGB NeoPixel LED strips with sound sensitivity calibration.

Hardware Components:
MAX4466 / Electret Mic ModuleWS2812B Addressable RGB LED Strip
MCU: Arduino Uno
Automated Medicine Reminder Dispenser
#25
Intermediate
🔍 Inspect
💊

Automated Medicine Reminder Dispenser

Ensures elderly or chronic illness patients take prescribed medications on time by rotating a motorized carousel at programmed schedule slots and sounding chimes.

Hardware Components:
DS3231 High-Precision I2C RTC28BYJ-48 Stepper Motor + ULN2003 Driver16x2 I2C LCD+1 more
MCU: Arduino Uno
IoT Cloud Weather Station & Air Quality Telemetry
#26
Advanced
🔍 Inspect
🌤️

IoT Cloud Weather Station & Air Quality Telemetry

A solar-powered outdoor station that captures atmospheric pressure, temperature, humidity, altitude, UV index, and air pollution, transmitting real-time sensor streams to cloud dashboards.

Hardware Components:
BME280 Barometric Pressure SensorMQ-135 Air Quality SensorRain Optical Sensor+1 more
MCU: ESP32 Dual-Core
Smart Biometric Security Vault
#27
Advanced
🔍 Inspect
🔐

Smart Biometric Security Vault

High-security biometric safe featuring optical fingerprint image template matching, 4x4 matrix password keypad, motorized solenoid deadbolt, and tamper vibration sensors.

Hardware Components:
R307 Optical Fingerprint Scanner4x4 Matrix Membrane KeypadSW-420 Vibration Tamper Sensor+1 more
MCU: ESP32
IoT Smart Energy & AC Power Consumption Monitor
#28
Advanced
🔍 Inspect
⚡

IoT Smart Energy & AC Power Consumption Monitor

Measures live AC electrical current, voltage, active power (Watts), power factor, and total energy consumed (kWh) in households or commercial machines, transmitting billing forecasts to a web dashboard.

Hardware Components:
PZEM-004T v3.0 Multi-function AC Energy Module100A Split-Core Current TransformerI2C 0.96 OLED Display+1 more
MCU: ESP32 Dual-Core
AI Vision Surveillance Rover
#29
Advanced
🔍 Inspect
👁️

AI Vision Surveillance Rover

An advanced surveillance robot powered by an ESP32-CAM AI vision chip that streams HD video over local Wi-Fi, tracks targets using pan/tilt servos, and runs edge color/face recognition.

Hardware Components:
ESP32-CAM Board with OV2640 Camera2x SG90 ServosL298N Dual Motor Driver+1 more
MCU: ESP32-CAM + Arduino Nano
Industrial Sorting Conveyor & Robotic Arm
#30
Advanced
🔍 Inspect
🦾

Industrial Sorting Conveyor & Robotic Arm

An automated industrial assembly line replica: a motorized conveyor belt carries items past a TCS3200 color sensor, which identifies item hues and commands a 4-DOF robotic arm to pick and sort them into bins.

Hardware Components:
TCS3200 / TCS34725 RGB Color Sensor4x MG996R High-Torque Metal ServosMini DC Conveyor Belt+1 more
MCU: Arduino Mega 2560
OUR PEDAGOGICAL PHILOSOPHY

Small Steps, Big Innovations

We bridge academic theoretical engineering with industry-grade hardware fabrication.

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Hands-on Learning

No theoretical boredom. Build physical circuits, connect breadboards, program firmware, and troubleshoot real hardware.

🧠

Build Real Projects

Turn your ideas into working prototypes ready for science exhibitions, college capstones, and patentable inventions.

👨‍🏫

Expert Mentors

Direct 1-on-1 guidance from experienced embedded systems developers, robotics engineers, and IoT architects.

🛡️

Industry Ready

Acquire practical proficiency in sensor interfacing, PWM control, I2C/UART protocols, and cloud IoT telemetry.

HARDWARE LAB & WORKSHOP INQUIRY

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Smart IoT Model?

Whether you are an engineering student preparing for a final project, a school wanting STEM IoT workshops, or an enthusiast ordering hardware kits, our mentors are ready to guide you.

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LOCATION
Manigram, Butwal, Nepal
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PHONE / WHATSAPP
+977 9807544395
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