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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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: 162683991

🎮IR remote control for manual operation

📡Ultrasonic sensor for obstacle avoidance

🤖R3 CH340 microcontroller board

10588 som

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Description

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

EXPAND CUSTOMIZE - Compatible with Arduino IDE for endless programming possibilities and personal project upgrades.
REMOTE CONTROL FREEDOM - IR remote lets you switch from autonomous to manual mode instantly—total control in your hands.
PLUG PLAY STEM MASTERY - Modular design with clear wiring and tutorials makes assembly a breeze for beginners and pros alike.
SMART OBSTACLE AVOIDANCE - Ultrasonic sensor empowers the car to detect and dodge obstacles autonomously—stay ahead of the curve.
HANDS ON LEARNING POWERHOUSE - Build real-world skills in robotics, coding, and electronics—perfect for STEM competitions and career-ready growth.

The LAFVIN 2WD Smart Robot Car Kit is a beginner-friendly, modular STEM educational kit featuring the R3 CH340 microcontroller, ultrasonic obstacle avoidance, and IR remote control. Designed for adults and beginners, it offers easy assembly with comprehensive tutorials and open-source code, fostering hands-on learning in robotics, programming, and electronics. Compatible with Arduino IDE, it’s ideal for personal projects, classroom use, and STEM competitions.

Specifications

ASIN	B07YCHCQNK
Age Range Description	Adult
Best Sellers Rank	#65,239 in Toys & Games ( See Top 100 in Toys & Games ) #650 in Educational Science Kits
Brand Name	LAFVIN
Customer Reviews	3.7 3.7 out of 5 stars (230)
Educational Objective	Obstacle Avoidance
Item Dimensions	11.02 x 7.09 x 1.97 inches
Item Weight	0.56 kg
Manufacturer	LAFVIN
Manufacturer Part Number	LA-018
Material Type	Acrylic
Model Number	LA-018
Number of Items	1
Set Name	LAFVIN 2WD Smart Robot Car Kit
Size	V1
Theme	Electronics
UPC	763231735898

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10588 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered 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 Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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