SG90 Micro Digital Servo Motor 9g with HC-SR04 Ultrasonic Sensor Distance Module

Product Description

This combo kit includes a SG90 9g Micro Servo Motor and a HC-SR04 Ultrasonic Distance Sensor, making it perfect for obstacle-avoiding robots, pan-tilt systems, automation, and interactive DIY electronics. The servo provides precise angular movement, while the ultrasonic sensor delivers accurate distance measurement from 2 cm to 4 meters. A great choice for Arduino, ESP32, and Raspberry Pi learners and hobbyists.

Features

• Compact and lightweight components for versatile mounting

• Smooth 180° servo rotation for pan-tilt or directional control

• Accurate ultrasonic distance sensing up to 4 meters

• Easy connection with common microcontrollers (Arduino, ESP, Raspberry Pi)

• Low-power, beginner-friendly components ideal for robotics and STEM learning

• Perfect for obstacle detection, range measurement, and automated systems

Specifications

SG90 Micro Servo Motor (9g)

• Operating Voltage: 4.8V – 6V

• Weight: ~9 grams

• Torque: ~1.8 kg·cm @ 4.8V

• Speed: 0.10 sec/60° @ 4.8V

• Rotation Angle: ~180° (approx.)

• Gear Type: Nylon/Plastic gear

• Connector: 3-pin (Signal–VCC–GND)

• Applications: Pan-tilt, robot joints, gates, mechanisms

HC-SR04 Ultrasonic Sensor

• Operating Voltage: 5V DC

• Current: < 15 mA

• Sensing Distance: 2 cm – 400 cm (4 m)

• Accuracy: ±0.3 cm

• Frequency: 40 kHz

• Interface: Trig + Echo pins

• Effective Angle: < 15°

• Applications: Obstacle detection, distance measurement, robotics

Package Includes

• 1 × SG90 Micro Servo Motor (9g)

• 3 × Servo Horns (Accessories)

• 2–3 × Mounting Screws

• 1 × HC-SR04 Ultrasonic Sensor Module

Return Policy Overview

At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.

Return Window

• Standard Returns: 7 days from delivery date for any reason, including if you simply changed your mind.
• Defective/Damaged Items: 7 days from delivery date for items received damaged or defective.
• Manufacturing Defects (Warranty): 15 days from delivery for manufacturing defects, unless a different warranty period is specified on the product page.

What Can Be Returned

Most items sold on ROBODIUM™ can be returned within the return window, including:

• Items you no longer need or changed your mind about
• Products received in damaged condition
• Items with manufacturing defects
• Wrong items received (item mismatch)
• Missing components inside the package

Return Conditions

To be eligible for a return, items must be:

• In their original, unused condition
• In the original packaging with all accessories, manuals, and free gifts (if any)
• Accompanied by proof of purchase

Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.

How to Initiate a Return

1. Contact us via email at support@robodium.com or call +91 8123109966
2. Provide your order number and reason for return
3. Submit photos/videos of the item (especially for damaged/defective products)
4. Our team will review and approve your return request within 1-2 business days

Return Pickup Process

We arrange the return pickup for you - hassle-free returns similar to major e-commerce platforms.

• Once your return is approved, we will coordinate pickup from your location.
• Pack the product securely in its original packaging.
• Include a copy of the order confirmation or packing list.
• Keep the package ready - our logistics partner will collect it at the scheduled time.

Return Shipping Costs

• Defective, damaged, or wrong items: ROBODIUM™ covers all return shipping costs. No charges to you.
• Change of mind returns: A flat return shipping fee of ₹100 will be deducted from your refund amount.

Refund Process

• Refund Method: Refunds are processed to your original payment method.
• Processing Time: 5-7 business days after we receive and inspect the returned item.
• Refund Amount: Full purchase price minus any applicable return shipping fees.
• Orders canceled before shipping receive a full refund (minus up to 5% payment gateway charges, if applicable).

Replacements

• Once the returned item is inspected and approved, we ship the replacement at no additional cost.
• Replacement items are dispatched within 2 business days of receiving your return.
• If replacement is unavailable, we provide a full refund.

Warranty Terms

All products include a minimum 15-day warranty against manufacturing defects unless otherwise specified on the product page.

Warranty does not cover: misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.

Order Cancellations

• Orders in Pending or Payment Verification status can be canceled for a full refund.
• Contact us immediately at support@robodium.com to cancel before shipping.
• Once an order is shipped, it cannot be canceled but can be returned after delivery.

Customer Service Commitment

• Email Response Time: Within 24 hours on business days
• Phone Support: Monday-Saturday, 10:00 AM - 6:00 PM IST
• Return Request Review: 1-2 business days
• Issue Resolution: Within 48 hours of verification