
Altrobyte Labs
Individual Lab Setup
Stop Googling tutorials.
Start building real things.
Most learners waste months jumping between YouTube videos and random online tutorials — collecting components that don't connect, doing projects that don't scale. A structured IoT lab changes that. One kit. A clear learning path. Real skills from day one.
Why a structured lab setup matters
There's a massive difference between buying a random Arduino kit and setting up a purposeful IoT lab. The first gets you blinking LEDs. The second gets you industry-ready skills in embedded firmware, sensor integration, hardware prototyping, and connected systems.
A well-structured lab mirrors how professional IoT development actually works controller → sensor input → logic → output → iteration. Every component in this kit has a role. Nothing is filler.
What's inside your individual kit
25 components. 5 functional categories. Everything you need — nothing you don't.
Core Controller
ESP32 DevKit V1 — dual-core processor, built-in Wi-Fi and Bluetooth, 30+ GPIO pins. The same chip used in production IoT devices worldwide. Paired with a USB Programming Cable for direct firmware flashing from your laptop.
Sensors: 4 distinct sensing types
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DHT11: temperature and humidity (digital sensor)
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LDR: ambient light level (analog sensor)
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IR Motion Sensor: proximity and presence detection
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Potentiometer 10kΩ: variable analog input for control interfaces
Output Devices: visual, audio, mechanical, and switching
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OLED Display 0.96" I2C — real-time data display
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LEDs x3 (Red, Green, Yellow) — visual indicators
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Active Buzzer — audio feedback and alerts
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Relay Module (1-channel) — switching real-world loads
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SG90 Servo Motor — mechanical actuation and position control
Prototyping Tools
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Breadboard + Jumper Wires (M-M, M-F, F-F) — rapid circuit building
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Resistors: 220Ω / 10kΩ / 1kΩ (3 pcs each) — current limiting and voltage dividers
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Push Buttons 12x12mm — user input
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DC Jack Micro USB + 2-pin Power Switch — clean power supply
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Zero PCB (Perfboard) + Berg Strip Male & Female — permanent build migration
Testing & Hardware Tools
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Digital Multimeter — voltage, current, continuity, and component testing
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Soldering Kit (Complete) — permanent circuit fabrication
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Modular Enclosures — house and finish your projects
Projects you'll actually build
These aren't blink-an-LED exercises. Each one is a complete, functional system built entirely from this kit.
Wi-Fi Controlled Relay Switch
Control a light or fan over your home network. ESP32 + Relay + web interface. Your first connected device built in a weekend.
Smart Room Environment Dashboard
DHT11 + LDR + OLED + Wi-Fi = live display of temperature, humidity, and light level. Add cloud logging to send data every 60 seconds.
Motion-Triggered Alarm System
IR sensor detects movement → buzzer fires → LED indicator lights up. Add Bluetooth for mobile alerts. A real security prototype.
Servo-Based Door Lock
Push button or app command → SG90 rotates → lock engages. PWM control, real mechanical output. Demonstrates end-to-end embedded logic.
IoT Weather Station
ESP32 sends DHT11 sensor data to MQTT broker or Google Sheets every 60 seconds. Real cloud integration from day one.
OLED Analog Sensor Readout
Potentiometer or LDR feeds live data to the OLED display. Practical introduction to I2C communication and analog-to-digital conversion.
Skills you'll walk away with
Not "I learned about IoT." These are resume-level, interview-ready skills.
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ESP32 firmware development in C++ and MicroPython
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I2C, SPI, and UART communication protocols
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GPIO control — digital input/output and analog sensing
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PWM — servo motor position control and LED dimming
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Wi-Fi and Bluetooth integration on constrained hardware
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Relay-based load switching and actuator control
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Hardware debugging with a digital multimeter
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PCB-level soldering and circuit permanence
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MQTT and HTTP for cloud data pipelines
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Product finishing — enclosure assembly and documentation