# eARgle Innovation Labs

> Learn. Build. Innovate.


## Posts

- [Edge AI on the ESP32: What Actually Runs on a Microcontroller](https://earglelabs.com/edge-ai-esp32-tinyml-guide/): A practical map of TinyML on the ESP32 in 2026: which variant to use, the three application classes that work, real memory and latency budgets, the end-to-end toolchain and the four mistakes that sink these projects.
- [Smart Irrigation with ESP8266: Full Build Log and Firmware](https://earglelabs.com/smart-irrigation-esp8266-build/): Bill of materials, power architecture, sensor calibration and fail-safe firmware for an ESP8266 irrigation node — plus eight weeks of field results, including everything that went wrong and how it was fixed.
- [ESP32 vs ESP8266 vs Arduino Uno R4: Which Board to Use](https://earglelabs.com/esp32-vs-esp8266-vs-arduino-uno-r4/): Not a spec dump — the decision rules. Head-to-head specifications, which ESP32 variant to actually buy in 2026 (C3, S3, C6, C5, H2, P4), real battery-life numbers and a pick-by-project table.
- [HC-SR04 Ultrasonic Sensor: Wiring, Code and Real Accuracy](https://earglelabs.com/hc-sr04-ultrasonic-sensor-guide/): The HC-SR04 is a stopwatch attached to a loudspeaker, not a rangefinder. Wiring for Arduino, ESP32 and ESP8266, three levels of code, temperature compensation, beam limits and a troubleshooting table built from real failures.
- [µEC3 Board Guide: ESP32-C3 Pinout, Power and First Upload](https://earglelabs.com/uec3-esp32-c3-board-guide/): A complete working reference for the µEC3 ESP32-C3 board: full specs, an interactive pinout explorer for all 18 pads, power rules, the first Arduino IDE upload, four tested sketches and the seven mistakes that cost people an evening.
- [Learn. Build. Innovate. Why We Built eArGle Innovation Labs](https://earglelabs.com/why-we-built-eargle-innovation-labs/): Technology is evolving faster than the way most people are taught it. eARgle Innovation Labs exists to close that gap — learning by building real hardware, not by watching it.

## Pages

- [Teach with eARgle](https://earglelabs.com/teach-with-eargle/): eARgle Innovation Labs is a mentorship-first learning lab in Vellore.
- [Contact](https://earglelabs.com/contact/): Course questions, custom kits for your institution, a project you want help finishing, or a partnership — tell us what you need and a real person from the lab will get back to you.
- [Shipping and Delivery](https://earglelabs.com/shipping-and-delivery/): How we pack, dispatch and deliver your kits and components — the timelines you can count on, and what happens when a courier lets us down.
- [Refund and Cancellation Policy](https://earglelabs.com/refund-and-cancellation-policy/): Exactly when you can cancel, what comes back to you, and how long it takes — written plainly for both course fees and hardware kit orders.
- [Terms and Conditions](https://earglelabs.com/terms-and-conditions/): The agreement between you and eARgle Technologies LLP covering the use of earglelabs.com, enrolment in our programmes, and the purchase of hardware kits and components.
- [Personal Portfolio Website](https://earglelabs.com/projects/personal-portfolio-website/): A developer portfolio built from scratch in plain HTML and CSS — the project we set students who want something real on the internet with their name on it by the end of the week.
- [Android Studio Fundamentals Pack](https://earglelabs.com/projects/android-studio-fundamentals/): The teaching set we use for a first Android course — eleven small apps, each isolating one concept, from a splash screen through intents, menus and Firebase authentication.
- [100 Days of Code — Python](https://earglelabs.com/projects/100-days-python/): A hundred small Python projects built across a hundred days — the long way round to fluency, and the repository we point students at when they ask how to actually get good at a language.
- [zikSA — Online Learning Platform](https://earglelabs.com/projects/ziksa-learning-platform/): A full e-learning platform built at a VIT hackathon — separate roles for students and instructors, dynamic dashboards, course management, payments and interactive quizzes, wrapped in a parallax front end.
- [Tarang — Assistive Environment Control](https://earglelabs.com/projects/tarang-assistive-control/): Our flagship assistive build.
- [16x2 LCD Text Effects](https://earglelabs.com/projects/lcd-text-effects/): Scrolling marquees, typewriter reveals, bouncing text, custom characters, a running clock and a countdown timer for the classic 16x2 I2C display — the building blocks most student projects need for a front panel.
- [U-Turn Accident Prevention System](https://earglelabs.com/projects/uturn-accident-prevention/): Two ultrasonic sensors watch both approaches of a blind U-turn and drive traffic signals plus a buzzer, holding the approaching side until the turn clears.
- [Smart Parking System](https://earglelabs.com/projects/smart-parking-system/): An IR sensor spots the car, a servo lifts the boom and the OLED shows whether a bay is free.
- [Smart Irrigation System (ESP8266 / Wi-Fi)](https://earglelabs.com/projects/smart-irrigation-esp8266/): The Wi-Fi version of the irrigation build. Same control loop, moved onto a NodeMCU so the moisture data can leave the bench and reach a dashboard or a phone.
- [Gas Safety Monitoring System (IoT)](https://earglelabs.com/projects/gas-safety-monitoring-system/): A kitchen safety build on Wi-Fi hardware: MQ-135 for air quality, MQ-2 for LPG and methane, DHT11 for temperature and humidity, and a latching alarm once either gas sensor crosses its calibrated limit.
- [Dual LED Toggle (State Machine)](https://earglelabs.com/projects/dual-led-toggle-state-machine/): One button, two LEDs, four states.
- [Air Quality & Alcohol Safety Pack](https://earglelabs.com/projects/air-quality-alcohol-pack/): Five builds on two gas sensors — an air quality monitor, an alcohol detector, a combined safety monitor, an alcohol-gated access control, and a dashboard showing both readings with a SAFE or WARNING verdict.
- [Temperature & Humidity Alert](https://earglelabs.com/projects/temperature-humidity-alert/): A single, tidy build: DHT11 readings drawn as bar graphs on the OLED, with a buzzer that sounds whenever temperature or humidity crosses the threshold you set.
- [Environmental Monitoring Pack (DHT11 + BMP280)](https://earglelabs.com/projects/environmental-monitoring-pack/): Six builds covering temperature, humidity, atmospheric pressure and altitude — a room monitor, a weather station, a dashboard, a warning system, a pressure and altitude monitor, and a multi-page interface.
- [Smart Irrigation System](https://earglelabs.com/projects/smart-irrigation-system/): The full irrigation build: soil moisture read continuously, a relay-controlled pump with hysteresis so it cannot chatter, traffic-light status, a progress bar and buzzer alerts on every pump state change.
- [Water Management & Irrigation Pack](https://earglelabs.com/projects/water-management-pack/): Five builds for tanks and irrigation — level monitoring, manual pump control, automatic tank filling, watering that only runs when there is actually water to use, and a three-page dashboard.
- [Smart Garden Pack (Soil & Rain)](https://earglelabs.com/projects/smart-garden-pack/): Five builds that read the soil and the sky together — plant monitoring, rain detection, a combined garden dashboard, a decision system that tells you whether to water or wait, and a paged interface.
- [RFID & Keypad Access Control Pack](https://earglelabs.com/projects/rfid-keypad-access-pack/): Four access-control builds: an RFID door lock, an RFID attendance register, a keypad PIN lock, and two-factor authentication that demands both a card and a PIN before the door opens.
- [Joystick & Servo Control Pack](https://earglelabs.com/projects/joystick-servo-pack/): Six builds that turn a two-axis joystick into a control surface — a live visualiser, servo control with an angle meter, preset positions, a camera pan rig, a menu system and a racing dashboard.
- [Flex Sensor Wearables Pack](https://earglelabs.com/projects/flex-sensor-wearables-pack/): Seven builds around a bend sensor worn on a finger — a bend meter, a robotic finger driven by a servo, grip-strength estimation, a bend-triggered alarm and a four-command gesture controller.
- [MPU6050 Motion Sensing Pack](https://earglelabs.com/projects/mpu6050-motion-pack/): Five builds on a six-axis accelerometer and gyroscope: a digital spirit level, a direction detector, a step counter, a fall-detection alarm and a multi-page sensor dashboard.
- [Ultrasonic Distance & Parking Pack](https://earglelabs.com/projects/ultrasonic-distance-pack/): Three builds from one HC-SR04 — a digital distance meter in centimetres and inches, a parking assistant with safe/warning/stop zones, and an obstacle detector whose beep speeds up as you close in.
- [IR & PIR Security Pack](https://earglelabs.com/projects/ir-pir-security-pack/): Visitor counting and motion detection in one build, with a push button to page through three OLED dashboards.
- [Touch & Vibration Interaction Pack](https://earglelabs.com/projects/touch-vibration-pack/): Six builds around a capacitive touch pad and a vibration sensor — touch-controlled lighting, a knock alarm, a digital dice and a full armed/disarmed security station.
- [LDR & Laser Security Pack](https://earglelabs.com/projects/ldr-laser-security-pack/): Seven builds that turn a light sensor and a laser pointer into a working security system — from a simple light/dark detector up to a tripwire alarm with intrusion counting and a reset button.
- [OLED Workshop Pack](https://earglelabs.com/projects/oled-workshop-pack/): Seven complete builds on one screen and two buttons — counters, a menu system, a stopwatch, a reaction-time game, a password lock and a live dashboard.
- [Projects](https://earglelabs.com/projects/): Every project here is a real build from our workshop, photographed as it was tested.
- [Browse Components](https://earglelabs.com/browse-components/)
- [All Products](https://earglelabs.com/all-products/)
- [Shop](https://earglelabs.com/shop/): Kits we build ourselves, matched line by line to the courses we teach. Every part in the box gets used — nothing is filler, and nothing is missing on day one.
- [Courses](https://earglelabs.com/courses/)
- [About Us](https://earglelabs.com/about-eargle-innovation-labs/): eARgle Innovation Labs is the education and mentorship arm of eARgle Technologies — a research-driven Indian company working across IoT, edge AI, embedded systems, robotics, software, smart wearables and assistive technologies.
- [Blog](https://earglelabs.com/blog/): Deep technical guides from the eARgle bench — pinouts, wiring, working firmware and the failures we hit on the way.
- [Home](https://earglelabs.com/): Live mentor-led sessions, a recorded video library, project tracker and AI assistant — all online.
- [Checkout](https://earglelabs.com/checkout-2/)
- [Cart](https://earglelabs.com/cart-2/)
- [Instructor Registration](https://earglelabs.com/instructor-registration/)
- [Student Registration](https://earglelabs.com/student-registration/)
- [Dashboard](https://earglelabs.com/dashboard/)
- [My account](https://earglelabs.com/my-account/)
- [Checkout](https://earglelabs.com/checkout/)
- [Cart](https://earglelabs.com/cart/)
- [Privacy Policy](https://earglelabs.com/privacy-policy/): How eARgle Technologies LLP collects, uses, stores and protects your personal data when you learn with us, buy a kit from us, or simply browse earglelabs.com.

## Products

- [Zero PCB Prototyping Board Set (5 Pieces)](https://earglelabs.com/product/zero-pcb-prototyping-board-set-5-pieces/): General purpose perfboard in assorted sizes for permanent builds.
- [2WD Robot Chassis Kit with Acrylic Base](https://earglelabs.com/product/2wd-robot-chassis-kit-with-acrylic-base/): Transparent acrylic base, caster, motor mounts and fasteners.
- [USB A to Micro-B Data Cable (1m)](https://earglelabs.com/product/usb-a-to-micro-b-data-cable-1m/): Data-capable micro-USB cable for NodeMCU and ESP32 boards.
- [USB A to B Cable for Arduino Uno and Mega (1m)](https://earglelabs.com/product/usb-a-to-b-cable-for-arduino-uno-and-mega-1m/): Replacement programming cable for Uno and Mega boards.
- [Potentiometer Pack 10K with Knobs (5 Pieces)](https://earglelabs.com/product/potentiometer-pack-10k-with-knobs-5-pieces/): Ten kilohm linear rotary potentiometers with knobs.
- [Tactile Push Button Pack with Caps (25 Pieces)](https://earglelabs.com/product/tactile-push-button-pack-with-caps-25-pieces/): Six millimetre through-hole switches with coloured caps.
- [Active and Passive Buzzer Pair](https://earglelabs.com/product/active-and-passive-buzzer-pair/): One self-driving buzzer and one tone-capable buzzer.
- [Capacitor Assortment Pack (Ceramic and Electrolytic)](https://earglelabs.com/product/capacitor-assortment-pack-ceramic-and-electrolytic/): Mixed decoupling and bulk capacitors in common values.
- [LED Assortment Pack 100 Pieces (5 Colours)](https://earglelabs.com/product/led-assortment-pack-100-pieces-5-colours/): Five millimetre LEDs in red, green, blue, yellow and white.
- [Resistor Assortment Pack 600 Pieces (30 Values)](https://earglelabs.com/product/resistor-assortment-pack-600-pieces-30-values/): Quarter watt metal film resistors from 10 ohm to 1 megohm.
- [Jumper Wire Set 120 Pieces (M-M, M-F, F-F)](https://earglelabs.com/product/jumper-wire-set-120-pieces-m-m-m-f-f-f/): Three sets of forty ribbon jumper wires in assorted lengths.
- [400 Point Solderless Breadboard](https://earglelabs.com/product/400-point-solderless-breadboard/): Half-size breadboard for compact circuits.
- [830 Point Solderless Breadboard](https://earglelabs.com/product/830-point-solderless-breadboard/): Full-size breadboard with power rails and adhesive backing.
- [9V Battery with Snap Connector](https://earglelabs.com/product/9v-battery-with-snap-connector/): Alkaline nine volt cell with a barrel jack snap lead.
- [9V 1A DC Power Adapter with Barrel Jack](https://earglelabs.com/product/9v-1a-dc-power-adapter-with-barrel-jack/): Regulated mains adapter for Arduino barrel jack input.
- [MT3608 DC-DC Boost Converter Module](https://earglelabs.com/product/mt3608-dc-dc-boost-converter-module/): Step-up regulator, 2 to 24 V in, up to 28 V out.
- [LM2596 Adjustable DC-DC Buck Converter Module](https://earglelabs.com/product/lm2596-adjustable-dc-dc-buck-converter-module/): Step-down regulator, 4 to 35 V in, 1.25 to 30 V out at 2 A.
- [TP4056 Lithium Battery Charging Module with Protection](https://earglelabs.com/product/tp4056-lithium-battery-charging-module-with-protection/): Micro-USB one amp lithium charger with over-discharge protection.
- [18650 Battery Holder with Leads (Single and Double)](https://earglelabs.com/product/18650-battery-holder-with-leads-single-and-double/): Plastic cell holders with soldered leads.
- [18650 Lithium-Ion Cell 2200 mAh](https://earglelabs.com/product/18650-lithium-ion-cell-2200-mah/): Rechargeable lithium cell for portable builds.
- [5V Submersible Water Pump with Tubing](https://earglelabs.com/product/5v-submersible-water-pump-with-tubing/): Small DC pump for irrigation and fluid handling projects.
- [28BYJ-48 Stepper Motor with ULN2003 Driver](https://earglelabs.com/product/28byj-48-stepper-motor-with-uln2003-driver/): Geared five-wire stepper with its matching driver board.
- [L293D Motor Driver Shield for Arduino](https://earglelabs.com/product/l293d-motor-driver-shield-for-arduino/): Stackable shield driving four DC motors or two steppers plus servos.
- [L298N Dual H-Bridge Motor Driver Module](https://earglelabs.com/product/l298n-dual-h-bridge-motor-driver-module/): Drives two DC motors or one stepper with speed and direction control.
- [BO Gear Motor with Wheel (Pair)](https://earglelabs.com/product/bo-gear-motor-with-wheel-pair/): Two 100 RPM plastic gear motors with matched wheels.
- [MG996R Metal Gear Servo Motor](https://earglelabs.com/product/mg996r-metal-gear-servo-motor/): High torque metal gear servo for robotic arms.
- [SG90 Micro Servo Motor 9g](https://earglelabs.com/product/sg90-micro-servo-motor-9g/): Small hobby servo with 180 degrees of travel and plastic gears.
- [MicroSD Card Reader Module (SPI)](https://earglelabs.com/product/microsd-card-reader-module-spi/): SPI card slot with level shifting for data logging.
- [DS3231 Precision Real Time Clock Module](https://earglelabs.com/product/ds3231-precision-real-time-clock-module/): Temperature-compensated RTC accurate to about two minutes a year.
- [4-Channel 5V Relay Module with Optocoupler](https://earglelabs.com/product/4-channel-5v-relay-module-with-optocoupler/): Four opto-isolated relay channels for home automation builds.
- [2-Channel 5V Relay Module with Optocoupler](https://earglelabs.com/product/2-channel-5v-relay-module-with-optocoupler/): Opto-isolated relay board switching up to 10 A at 250 V AC.
- [nRF24L01+ 2.4 GHz Wireless Transceiver](https://earglelabs.com/product/nrf24l01-2-4-ghz-wireless-transceiver/): Low-power radio for board-to-board links up to 100 metres.
- [RC522 RFID Reader Module with Card and Tag](https://earglelabs.com/product/rc522-rfid-reader-module-with-card-and-tag/): 13.56 MHz RFID reader over SPI, card and keyfob included.
- [HC-06 Bluetooth Slave Module](https://earglelabs.com/product/hc-06-bluetooth-slave-module/): Simplified slave-only Bluetooth serial module.
- [HC-05 Bluetooth Serial Module](https://earglelabs.com/product/hc-05-bluetooth-serial-module/): Classic Bluetooth serial bridge, master and slave capable.
- [SIM800L GSM and GPRS Module](https://earglelabs.com/product/sim800l-gsm-and-gprs-module/): Quad-band GSM module for SMS, calls and GPRS data.
- [NEO-6M GPS Module with Ceramic Antenna](https://earglelabs.com/product/neo-6m-gps-module-with-ceramic-antenna/): Serial GPS receiver with EEPROM backup and active antenna.
- [MAX7219 8x8 LED Matrix Module (4-in-1)](https://earglelabs.com/product/max7219-8x8-led-matrix-module-4-in-1/): Four cascaded LED matrices for scrolling text displays.
- [1.8 inch TFT Colour Display 128x160 (ST7735)](https://earglelabs.com/product/1-8-inch-tft-colour-display-128x160-st7735/): SPI colour display for graphs, icons and simple interfaces.
- [20x4 Character LCD Display with I2C Backpack](https://earglelabs.com/product/20x4-character-lcd-display-with-i2c-backpack/): Four-line character display with the I2C adapter pre-fitted.
- [I2C Backpack Module for 16x2 and 20x4 LCD](https://earglelabs.com/product/i2c-backpack-module-for-16x2-and-20x4-lcd/): PCF8574 adapter that reduces LCD wiring to four pins.
- [16x2 Character LCD Display (HD44780)](https://earglelabs.com/product/16x2-character-lcd-display-hd44780/): Classic two-line character display with blue backlight.
- [0.96 inch OLED Display 128x64 I2C (SSD1306)](https://earglelabs.com/product/0-96-inch-oled-display-128x64-i2c-ssd1306/): Monochrome OLED with sharp contrast, driven over two I2C wires.
- [5 kg Load Cell with HX711 Amplifier](https://earglelabs.com/product/5-kg-load-cell-with-hx711-amplifier/): Strain gauge load cell and 24-bit ADC for weight projects.
- [TTP223 Capacitive Touch Sensor Module](https://earglelabs.com/product/ttp223-capacitive-touch-sensor-module/): Solid-state touch button with a digital output.
- [Infrared Flame Sensor Module](https://earglelabs.com/product/infrared-flame-sensor-module/): Detects flame in the 760 to 1100 nanometre band.
- [Water Level Sensor Module](https://earglelabs.com/product/water-level-sensor-module/): Analogue depth sensing strip for tanks and containers.
- [Rain Detection Sensor Module](https://earglelabs.com/product/rain-detection-sensor-module/): Raindrop sensing plate with comparator board.
- [Capacitive Soil Moisture Sensor v2.0](https://earglelabs.com/product/capacitive-soil-moisture-sensor-v2-0/): Corrosion-resistant capacitive moisture probe with analogue output.
- [IR Obstacle Avoidance Sensor Module](https://earglelabs.com/product/ir-obstacle-avoidance-sensor-module/): Infrared reflective sensor with adjustable detection distance.
- [LDR Light Sensor Module with Comparator](https://earglelabs.com/product/ldr-light-sensor-module-with-comparator/): Light dependent resistor breakout with analogue and digital outputs.
- [HC-SR501 PIR Motion Sensor Module](https://earglelabs.com/product/hc-sr501-pir-motion-sensor-module/): Passive infrared motion detector with adjustable delay and sensitivity.
- [MQ-135 Air Quality Sensor Module](https://earglelabs.com/product/mq-135-air-quality-sensor-module/): Senses ammonia, benzene, smoke and general air contamination.
- [MQ-2 Smoke and Combustible Gas Sensor Module](https://earglelabs.com/product/mq-2-smoke-and-combustible-gas-sensor-module/): Detects LPG, methane, smoke and hydrogen with analogue and digital outputs.
- [MPU6050 Six-Axis Gyroscope and Accelerometer Module](https://earglelabs.com/product/mpu6050-six-axis-gyroscope-and-accelerometer-module/): Three-axis gyro and three-axis accelerometer with I2C interface.
- [HC-SR04 Ultrasonic Distance Sensor](https://earglelabs.com/product/hc-sr04-ultrasonic-distance-sensor/): Two to four hundred centimetre ranging sensor with trigger and echo pins.
- [DHT22 / AM2302 Temperature and Humidity Sensor](https://earglelabs.com/product/dht22-am2302-temperature-and-humidity-sensor/): Higher accuracy climate sensor with wider measurement range.
- [DHT11 Temperature and Humidity Sensor Module](https://earglelabs.com/product/dht11-temperature-and-humidity-sensor-module/): Digital temperature and humidity sensor on a breakout with pull-up.
- [STM32F103C8T6 Blue Pill Development Board](https://earglelabs.com/product/stm32f103c8t6-blue-pill-development-board/): 32-bit ARM Cortex-M3 board for performance-oriented projects.
- [Raspberry Pi Pico W Board with Wi-Fi](https://earglelabs.com/product/raspberry-pi-pico-w-board-with-wi-fi/): RP2040 board with on-board 2.4 GHz Wi-Fi.
- [Raspberry Pi Pico Board (RP2040)](https://earglelabs.com/product/raspberry-pi-pico-board-rp2040/): Dual-core RP2040 board programmable in MicroPython and C.
- [ESP8266 NodeMCU V3 Wi-Fi Development Board](https://earglelabs.com/product/esp8266-nodemcu-v3-wi-fi-development-board/): Low-cost Wi-Fi board, ideal for connected beginner projects.
- [ESP32 DevKit V1 Development Board (38-pin)](https://earglelabs.com/product/esp32-devkit-v1-development-board-38-pin/): Dual-core 240 MHz board with built-in Wi-Fi and Bluetooth.
- [Arduino Mega 2560 R3 Compatible Board](https://earglelabs.com/product/arduino-mega-2560-r3-compatible-board/): ATmega2560 board with 54 digital pins for large projects.
- [Arduino Nano V3 Compatible Board (CH340)](https://earglelabs.com/product/arduino-nano-v3-compatible-board-ch340/): Breadboard-friendly ATmega328P board with CH340 USB interface.
- [Arduino Uno R3 Compatible Board with USB Cable](https://earglelabs.com/product/arduino-uno-r3-compatible-board-with-usb-cable/): ATmega328P development board, fully Arduino IDE compatible, USB cable included.
- [eARgle Embedded Security Kit](https://earglelabs.com/product/eargle-embedded-security-kit/): Hardware for teaching secure IoT: crypto co-processor, RFID and secure element.
- [eARgle Assistive Technology Kit](https://earglelabs.com/product/eargle-assistive-technology-kit/): Sensors and actuators for building assistive devices for disabled users.
- [eARgle Smart Agriculture Project Kit](https://earglelabs.com/product/eargle-smart-agriculture-project-kit/): Soil, climate and irrigation sensing kit for agriculture mini-projects.
- [eARgle Smart Home Kit](https://earglelabs.com/product/eargle-smart-home-kit/): Build a working home automation node with relays, sensors and app control.
- [eARgle Robotics Starter Kit](https://earglelabs.com/product/eargle-robotics-starter-kit/): Two-wheel drive robot chassis with motor driver, sensors and control board.
- [eARgle IoT Explorer Kit (ESP32)](https://earglelabs.com/product/eargle-iot-explorer-kit-esp32/): ESP32 based kit for cloud-connected projects with Firebase and Blynk.
- [eARgle Arduino Fundamentals Kit (20-Day Programme)](https://earglelabs.com/product/eargle-arduino-fundamentals-kit-20-day-programme/): 60+ premium components in one case — Arduino Uno R3 board, OLED and LCD displays, 15+ sensors, Bluetooth, RFID, MP3, relays, servo, water pump, 18650 power and a full 4WD robot chassis. Enough for 100+ real projects, from a first blinking LED to a phone-controlled robot car. It is the hardware companion to the Arduino Uno Mastery — 20-Day Live Programme. Taking the course too? Course + kit is ₹11,599 instead of ₹12,498.
- [eARgle Mini Beginner Kit](https://earglelabs.com/product/eargle-mini-beginner-kit/): Entry-level Arduino kit with LEDs, button, buzzer and breadboard. Ideal for a first week of electronics.

## Optional

- [Agent (MCP protocol)](websites-agents.hostinger.com/earglelabs.com/mcp)

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