Robotics – Hamtech Electronics Technologies

Robot Chassis Kit

admin — Thu, 20 Nov 2025 19:52:01 +0000

The Robot Chassis Kit provides everything you need to build a compact mobile robot platform. It is designed for learning robotics, automation, Arduino projects, Raspberry Pi robots, and STEM education. The kit includes two BO geared motors, wheels, a strong acrylic chassis, a caster wheel, and a battery holder, making it easy to assemble your first mobile robot in minutes.

This platform is widely used in educational robotics because of its durability, easy motor mounting, and compatibility with common motor drivers such as L298N, L293D, TB6612FNG, and microcontrollers including Arduino, ESP32, and Raspberry Pi.

Whether you’re building a line-tracking robot, Bluetooth-controlled car, WiFi rover, or obstacle-avoiding autonomous bot, this kit provides a reliable base for your project.

Key Features

Complete Robot Base Kit

Includes motors, wheels, chassis, screws, and a caster wheel.

Strong Acrylic Body

Lightweight yet sturdy base suitable for high-speed or precision robotics.

Dual BO Gear Motors

Provides balanced torque and smooth motion for 2-wheel drive robots.

Compatible With Arduino & ESP32

Works with all major robotics microcontrollers and motor drivers.

Easy Assembly

Pre-cut mounting holes for sensors, motor drivers, servo motors, and controllers.

Ideal for STEM Projects

Perfect for beginners learning robotics and automation.

Specifications

Feature	Details
Chassis Material	Acrylic / ABS depending on model
Motor Type	BO geared 3–6V DC motors
Wheel Diameter	65 mm (standard)
Drive Type	2-wheel drive with 1 caster support
Caster Wheel	Plastic omni-directional
Battery Holder	4 × AA or 18650 holder (varies by kit)
Motor RPM	150–300 RPM at 6V
Assembled Size	Approx. 22 × 15 cm
Motor Voltage Range	3V–6V
Mounting Holes	For sensors, drivers, servos

Included in Package

1 × Robot chassis base (acrylic/ABS)
2 × BO gear motors
2 × Wheels (rubber grip)
1 × Caster wheel (ball/roller type)
1 × Battery holder
Installation screws, nuts, and spacers

Applications

Line-following robot
Obstacle-avoiding robot
Bluetooth-controlled car
WiFi & IoT robots (ESP32, ESP8266)
Arduino robotics projects
Maze-solving robot
Light-following robot
Educational STEM robotics

BO Motor L-Shape – High Torque DC Gear Motor for Robotics

admin — Thu, 20 Nov 2025 19:52:01 +0000

The BO Motor L-Shape is a lightweight DC gear motor commonly used in robotics and small automation projects. Designed with an L-shaped gearbox, it offers a compact form factor that makes mounting easier in tight spaces. Its internal geared structure ensures stable, high-torque output at low speeds, making it an excellent choice for mini robot cars, line followers, obstacle avoidance robots, and STEM learning kits.

The motor operates on 3–6V DC, offering optimal performance around 5V, which matches perfectly with Arduino, ESP32, Raspberry Pi motor driver shields, and L298N/L293D modules. It features a 1:48 gear ratio for balanced speed and torque, making it reliable for educational and hobby robotics.

Key Features

L-Shape Design
Space-saving motor design for easy mounting in compact robotic platforms.
High Torque at Low Speed
Ideal for driving wheels, conveyor belts, and lightweight mechanical loads.
Lightweight & Efficient
Perfect for battery-powered robots and DIY electronics projects.
Standard Shaft Size
Compatible with most BO motor wheels available in the market.
Hobby-Friendly Voltage Range
Works directly with AA batteries or 5V motor drivers.

Specifications

Feature	Details
Rated Voltage	3–6V DC
Operating Voltage	3V minimum, 5V recommended
Gear Ratio	1:48
No-Load Speed	~100–200 RPM @ 5V (varies by model)
Torque	0.6–1.2 kg·cm (approx.)
Stall Current	~500–700mA
Shaft Type	Dual-side flat shaft
Motor Type	Brushed DC geared motor
Body Type	L-shape gearbox
Weight	Approx. 30g

Applications

Robotics and educational kits
Line-following and smart car robots
Obstacle-avoidance robots
Mini conveyor systems
STEM school projects
Lightweight automation mechanisms

Package Includes

1 × BO Motor L-Shape

MG996R Servo

admin — Thu, 20 Nov 2025 19:51:59 +0000

The MG996R Servo Motor is a durable and high-performance servo with reinforced metal gears and high-torque output. It supports standard PWM control and is widely used in robotic arms, RC cars, planes, boats, and DIY automation projects. It provides strong and stable motion, making it suitable for applications that require handling heavier loads compared to standard servos.

Key Features

High-torque metal gear servo motor
Operating voltage: 4.8–7.2V DC
PWM control for precise positioning
Rotation range: ~180° (can be modified for 360° setups)
Compatible with Arduino, ESP32, Raspberry Pi
Durable for long-term robotics and RC applications

Variants

MG996R Standard Servo
MG996R with extended servo horn accessories

Specifications

Feature	Details
Motor Type	Servo (Metal Gear)
Torque	10–12 kg·cm at 6V
Operating Voltage	4.8–7.2V DC
Speed	0.20 sec/60° at 6V
Rotation Range	180°
Connector	3-pin (Signal, VCC, GND)
Dimensions	40.7 × 19.7 × 42.9 mm

Applications

Robotic arms and humanoid robots
RC planes, cars, and boats
Automation projects with load-bearing requirements
Educational and DIY electronics projects
IoT devices requiring precise rotational actuation

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (via PWM control)
Any microcontroller with PWM output

NEMA17 Stepper

admin — Thu, 20 Nov 2025 19:51:59 +0000

The NEMA17 Stepper Motor is a 1.8° per step (200 steps per revolution) motor that offers high torque and precise rotational control. Compatible with a variety of stepper drivers like A4988, DRV8825, and TB6600, it is ideal for applications that require accurate positioning and repeatable motion. Widely used in 3D printing, CNC machines, and robotics, it delivers reliable performance in both hobbyist and professional projects.

Key Features

Standard NEMA17 size (42 × 42 mm flange)
Step angle: 1.8° per step (200 steps/rev)
Operating voltage: 12–24V DC
Compatible with common stepper drivers (A4988, DRV8825, TB6600)
High torque suitable for 3D printers and CNC machines
Durable construction for long-term use

Variants

NEMA17 standard 1.8° stepper
NEMA17 with integrated lead screw (for linear motion applications)

Specifications

Feature	Details
Step Angle	1.8° (200 steps/rev)
Holding Torque	40–50 N·cm (depending on model)
Rated Current	1.2–2.0 A
Voltage	12–24V DC
Shaft Diameter	5 mm
Flange Size	42 × 42 mm
Length	39–48 mm (varies by torque rating)

Applications

3D printers and CNC machines
Robotics and automated mechanisms
Camera sliders and precision positioning systems
Educational electronics and STEM projects
IoT and industrial automation requiring precise motion

Compatible Boards / Circuits

Arduino, ESP32 (with stepper driver)
Raspberry Pi (with stepper driver)
Any microcontroller with step/dir interface and compatible stepper driver

SG90 Servo

admin — Thu, 20 Nov 2025 19:51:58 +0000

The SG90 Micro Servo is a 9g micro servo motor featuring a plastic gear mechanism and standard PWM control. It is ideal for educational robotics, hobbyist RC projects, and DIY automation tasks where small size and lightweight design are required. The servo can rotate approximately 180° and is compatible with Arduino, ESP32, and Raspberry Pi.

Key Features

Lightweight and compact (9g)
Operating voltage: 4.8–6V DC
Rotational range: ~180°
PWM-controlled for precise positioning
Plastic gears suitable for lightweight applications
Compatible with Arduino, ESP32, Raspberry Pi

Variants

SG90 Standard Micro Servo
SG90 with extended servo horns

Specifications

Feature	Details
Motor Type	Micro Servo (Plastic Gear)
Torque	1.8 kg·cm at 4.8V
Operating Voltage	4.8–6V DC
Speed	0.1 sec/60° at 4.8V
Rotation Range	180°
Connector	3-pin (Signal, VCC, GND)
Dimensions	22.8 × 12.2 × 28.5 mm

Applications

Small robotic arms and educational robots
RC cars, boats, and planes
DIY automation and IoT projects
Arduino and ESP32 learning projects

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (via PWM)
Any microcontroller with PWM output