🚚 Nationwide Delivery💳 Secure Payments🛠️ Engineering Support📦 Quality Components
a3i Technologies
Pi 4 Model B
Pi 4 Model B
৳9,500.00৳9,200.00
Arduino UNO R3 Development Board
Arduino UNO R3 Development Board
৳850.00৳799.00
12V DC Geared Motor
12V DC Geared Motor
৳650.00৳599.00
18650 Li-Ion Rechargeable Battery
18650 Li-Ion Rechargeable Battery
৳220.00৳199.00
5V 2-Channel Relay Module
5V 2-Channel Relay Module
৳250.00৳212.00
NEMA 17 Stepper Motor
NEMA 17 Stepper Motor
৳1,250.00৳1,150.00
MG996R High Torque Servo Motor
MG996R High Torque Servo Motor
৳550.00৳499.00
HC-SR04 Ultrasonic Distance Sensor
HC-SR04 Ultrasonic Distance Sensor
৳180.00৳159.00
L298N Motor Driver Module
L298N Motor Driver Module
৳280.00৳249.00
Robotics & Engineering Components

BuildSmarter.EngineerBetter.

Quality robotics, electronics, and engineering components for your next project, prototype, or automation solution.

Trusted components for students, engineers, makers & businesses

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Engineering Deals

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— About A3i Technologies

Engineering Ideas Into Reality

A3i Technologies is a robotics and engineering components platform built for people who create, experiment, and innovate. We provide robotics components, electronics, development boards, sensors, motors, modules, tools, and project kits for students, engineers, makers, startups, and businesses.

Our mission: make quality engineering components accessible to every maker across Bangladesh.

500+
Components
50+
Categories
7-Day
Replacement
A3i Technologies engineering team

Why Choose A3i Technologies?

Quality Components

Every product verified for performance and reliability.

Engineering Focused

Curated for students, engineers, makers and businesses.

Nationwide Delivery

Fast and reliable shipping across Bangladesh.

Secure Checkout

SSL-encrypted payments. Multiple payment options.

Technical Support

Engineering team ready to help you pick the right parts.

7-Day Replacement

Hassle-free replacement within 7 days of delivery.

Shop & Product Pages

Full shop with search, filters (category, price, brand, availability, rating), and sorting. Product pages include gallery, SKU, stock, ratings, Add to Cart, Buy Now, Wishlist, specifications, and related products — powered by the platform storefront.

Customer Reviews

What Engineers Say

★ Demo testimonials — real reviews coming soon

“Great quality Arduino boards. Fast delivery to Chittagong. Highly recommended for students!”

Md. Rahul Islam
Engineering Student

“Excellent selection of sensors and motors. The ESP32 boards work perfectly for my IoT projects.”

Sarah Ahmed
Robotics Enthusiast

“Reliable supplier for bulk component orders. Technical support team is very knowledgeable.”

Tanvir Hossain
Startup Founder

Frequently Asked Questions

— Get In Touch

Contact

Need help choosing a component? Talk to our engineering support team.

Contact Details

Address
Dhaka, Bangladesh (Demo Address)
Sales
sales@a3itechnologies.com
WhatsApp
+880 1700-000000 (Demo)

Cart & Checkout

Managed by the platform storefront: product list, quantity, coupon, delivery fee, and checkout with Cash on Delivery, bKash, Nagad, SSLCommerz and card payment.

Order Tracking

Track your order through: Order Placed → Confirmed → Processing → Shipped → Delivered. View confirmation with order number, items, payment and delivery details.

Responsive & Functional

Fully responsive across mobile, tablet and desktop. Includes mobile-friendly search, navigation, product grids, cart and checkout.

SEO

Optimized for: A3i Technologies | Robotics & Engineering Components in Bangladesh. SEO-friendly URLs: /shop, /robotics, /sensors, /motors, /arduino, /esp32, /about, /contact.

Domain & SSL

Connect a3itechnologies.com with HTTPS/SSL. HTTP redirects to HTTPS. Consistent www/non-www configuration. No mixed-content warnings.

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Coupons & Deals

Unlock 20% Off Your First Order on Robotics Components and Tools!

ROBO2026 · 2026-10-31

Unlock incredible savings with our exclusive coupon! Enjoy a generous discount on your next purchase of robotics components, electronics, and tools. Whether you're a student, engineer, or maker, this deal is designed to fuel your creativity and innovation. Don't miss out on the chance to enhance your projects while saving money. Simply apply the coupon at checkout and watch your total drop. Act fast—this offer is available for a limited time only! Start building smarter and engineering better to

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Trust & Certification Badges

Certified Quality Assurance for Robotics and Engineering Components

Terms & Conditions

By placing an order with a3itechnologies you agree to these terms. All prices are shown at checkout and include applicable charges unless stated otherwise.

An order is confirmed once you receive the order confirmation. We reserve the right to cancel orders affected by pricing errors or stock issues, with a full refund.

All product descriptions are provided in good faith. Colours and appearance may vary slightly from photos.

Contact us through the site's contact section for any questions.