should this kit have come with male connectors or are those ordered separately?

The sensor shield board that sits on top of the UNO board has pins, so the female connections on the connection wires work fine. My kit came with a strip of male-male connectors also, but I did not use them.

what batteries are needed?

You need to use 3.7V 18650 batteries.

Is the r3 board is a arduino uno board? the board in the picture does not have any description on it.

Yes,It is with arduino uno board.

How many batteries are needed? And what is the final voltage coming out of the battery box?

I think this came with a 2-cell battery pack which fit the 3.7V 18500 Li-ion cells (7.4V total). At first I switched it out for a 6 cell AA holder, but later got some 18500 cells and charger and really liked using them. This is a nice project kit. Enjoy.

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LAFVIN 2WD Smart Robot Car Kit with R3 Board, Ultrasonic Sensor, L298N Motor Driver, IR Remote Control, Obstacle Avoidance STEM Educational DIY Kit for Adults Beginners

LAFVIN 2WD Smart Robot Car Kit with R3 Board, Ultrasonic Sensor, L298N Motor Driver, IR Remote Control, Obstacle Avoidance STEM Educational DIY Kit for Adults Beginners

Product ID: 376657470

Details

Age range (description)
Kid
Brand
LAFVIN
Item dimensions L x W x H
28 x 18 x 5
Size
V1
Theme
Robot

🎮IR remote control for versatile operation

📡Ultrasonic sensor for obstacle avoidance

🤖R3 CH340 microcontroller board

₨1090

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Description

🚗 Code, Control, Conquer: Your DIY Robot Adventure Starts Here!

FUTURE PROOF LEARNING - Builds critical problem-solving and logical thinking skills for the next-gen tech leaders.
REMOTE CONTROL FREEDOM - IR remote lets you switch between manual and automatic modes seamlessly.
PLUG PLAY STEM MASTERY - Modular design with clear tutorials makes assembly a breeze for beginners and pros alike.
SMART OBSTACLE AVOIDANCE - Ultrasonic sensor empowers your robot to detect and dodge obstacles autonomously.
HANDS ON CODING EXPERIENCE - Compatible with Arduino IDE, perfect for customizing and expanding your robotic skills.

The LAFVIN 2WD Smart Robot Car Kit is a beginner-friendly STEM educational platform featuring the powerful R3 CH340 microcontroller, ultrasonic obstacle avoidance, and IR remote control. Designed for easy assembly with modular components and open-source code, it offers hands-on learning in robotics, programming, and electronics. Ideal for students and hobbyists aiming to develop practical skills in a fun, interactive way.

Specifications

ASIN	B07YCHCQNK
Age Range Description	Kid
Age range (description)	Kid
Battery Description	Battery
Best Sellers Rank	#272,093 in Toys ( See Top 100 in Toys ) #3,215 in Educational Science Kits
Brand	LAFVIN
Brand Name	LAFVIN
Customer Reviews	4.1 out of 5 stars 217 Reviews
Educational Objective	STEM
Is Assembly Required	Yes
Item Dimensions	28 x 18 x 5 centimeters
Item Weight	0.56 Kilograms
Item dimensions L x W x H	28 x 18 x 5 centimeters
Item weight	0.56 Kilograms
Manufacturer	LAFVIN
Manufacturer Part Number	LA-018
Material Type	Acrylic
Model Number	LA-018
Number of Items	1
Number of Packs	1
Set Name	LAFVIN 2WD Smart Robot Car Kit
Size	V1
Theme	Robot
UPC	763231735898

Reviews

S**K

زي الزفت

31.12.2025

Y**A

Perfecto

Ideal para proyecto de seguidor de línea

11.03.2026

R**1

Decent

Good fit the most part but some of the instructions are hard to follow. Good fit a project but helps if you have done something like this before.

22.12.2020

V**I

Facile a monter

Trop facile a monter

4.05.2024

H**A

More Robot than car, good fun for all ages

The pictures are a perfect reflection of the parts received. Also the after sales support of the supplier was prompt and efficient. This being my first build, the instructions were sufficiently comprehensive to get started. Only negative is that the non-standard batteries are not included.

22.08.2020

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₨1090

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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