Motors – Hamtech Electronics Technologies

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

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

28BYJ-48 Stepper

admin — Thu, 20 Nov 2025 19:52:00 +0000

The 28BYJ-48 Stepper Motor is a 5V DC geared stepper motor with a 64-step unipolar design and a 1/64 reduction gear, offering precise rotational control. It is widely used with Arduino, ESP32, and other microcontrollers for projects such as robotic arms, CNC machines, and automation systems. The motor comes with a ULN2003 driver module for easy interfacing.

Key Features

5V DC operating voltage
64-step unipolar stepper motor
1/64 reduction gear for higher torque and precision
Comes with ULN2003 driver module
Compact and reliable for robotics and small automation projects

Variants

28BYJ-48 with ULN2003 driver board
28BYJ-48 bare motor (without driver)

Specifications

Feature	Details
Motor Type	Unipolar Stepper Motor
Step Angle	5.625° / 64 steps per revolution
Gear Ratio	1/64
Operating Voltage	5V DC
Current	240 mA per phase
Torque	~300 g·cm
Dimensions	28 × 28 × 20 mm (motor only)

Applications

Robotics (robot arms, walking robots)
Small CNC machines and plotters
Automated devices and mechanisms
Educational electronics projects
IoT projects requiring precise rotation

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (with appropriate driver)
Any microcontroller supporting ULN2003 or stepper control

TB6600 Driver

admin — Thu, 20 Nov 2025 19:52:00 +0000

The TB6600 Stepper Motor Driver is designed for controlling NEMA 17, 23, or 34 stepper motors in robotics, CNC machines, and industrial automation. It features micro-stepping, adjustable current settings, and thermal overload protection. Compatible with Arduino, ESP32, and other microcontrollers, it provides smooth and precise stepper motor control.

Key Features

Supports stepper motors up to 4A current
Adjustable micro-stepping (full, half, 1/8, 1/16, 1/32)
Wide operating voltage: 9–42V DC
Thermal overload and short-circuit protection
Compact design with easy DIP switch configuration
Compatible with Arduino, ESP32, and other controllers

Variants

TB6600 Standard Stepper Driver Module
TB6600 with heatsink and fan for high-current applications

Specifications

Feature	Details
Motor Current	0.5–4A (adjustable)
Step Resolution	Full, 1/2, 1/4, 1/8, 1/16, 1/32
Input Voltage	9–42V DC
Pulse Frequency	Up to 200 kHz
Protection	Overcurrent, overheat, short-circuit
Dimensions	110 × 50 × 35 mm

Applications

CNC machines and milling machines
3D printers
Robotics and automated machinery
Conveyor systems
Precision motion control projects

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (via step/direction control)
Any microcontroller with step/dir interface

BO Motor Straight

admin — Thu, 20 Nov 2025 19:52:00 +0000

The BO Motor Straight is a low-voltage DC geared motor designed for robotics and automation. Its straight gearbox design allows for easy integration into mobile robots, conveyor mechanisms, and other DIY projects. It provides reliable torque and speed control when used with motor drivers or H-bridge circuits.

Key Features

Compact DC geared motor
Straight gearbox for easy mounting
Operating voltage: 3–12V DC
Moderate torque suitable for small robotics
Compatible with motor driver modules (L298N, TB6612FNG, etc.)
Lightweight and durable for DIY projects

Variants

BO Motor Straight – standard
BO Motor Straight – with encoder (optional)

Specifications

Feature	Details
Motor Type	DC Geared Motor
Gear Type	Straight
Operating Voltage	3–12V DC
Current	100–300 mA (depending on load)
RPM	100–300 RPM (depending on voltage/load)
Torque	~200–400 g·cm
Dimensions	36 × 12 × 25 mm (approx.)

Applications

Small robotics and mobile robots
Conveyor belts and mini automation systems
Educational electronics and STEM projects
IoT devices requiring rotational motion

Compatible Boards / Circuits

Arduino, ESP32, ESP8266 (via motor driver)
Raspberry Pi (via motor driver)
Any microcontroller with PWM and motor driver support

MG995 Servo

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

The MG995 Servo Motor is a popular high-torque servo featuring metal gears for durability and precise positioning. It is widely used in robotics, RC planes, cars, boats, and DIY automation projects. The servo can be controlled via PWM signals from Arduino, ESP32, or other microcontrollers, providing accurate rotational control up to 180° or 360° depending on the setup.

Key Features

High-torque metal gear servo motor
Operating voltage: 4.8–7.2V DC
Standard PWM control for precise positioning
Rotational range: ~180°
Compatible with Arduino, ESP32, Raspberry Pi
Durable and suitable for heavy-load projects

Variants

MG995 Standard Servo
MG995 with extended horn accessories

Specifications

Feature	Details
Motor Type	Servo (Metal Gear)
Torque	9–11 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, boats
Automated control mechanisms
Educational and DIY electronics projects
IoT devices requiring rotational actuation

Compatible Boards / Circuits

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

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

L293d Driver ic

admin — Thu, 20 Nov 2025 19:51:57 +0000

The L293D Motor Driver IC is a popular integrated circuit used in robotics and automation projects to control DC motors and stepper motors. It features dual H-Bridge circuits that enable bidirectional motor control with PWM support for speed regulation. Ideal for Arduino, ESP32, and other microcontroller projects, it can drive motors with voltages from 4.5V to 36V and up to 600mA per channel. With internal diodes for back EMF protection, it is safe and reliable for hobbyist and educational robotics projects.

Key Features

Dual H-Bridge driver IC for controlling 2 DC motors or 1 stepper motor
Motor voltage range: 4.5–36V
Output current: 600 mA per channel (1.2A peak)
PWM speed control capable
Internal diodes for back EMF protection
Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers

Variants

L293D Standard IC
L293D with breakout board for easier connection

Specifications

Feature	Details
Motor Channels	2 (dual H-Bridge)
Motor Voltage	4.5–36V
Output Current	600 mA per channel (1.2A peak)
Control	Logic input with PWM support
Protection	Internal diodes for back EMF
Package	DIP-16
Dimensions	19 × 10 mm

Applications

Arduino and ESP32 robotics projects
DC motor bidirectional control
Stepper motor driving
IoT and automation projects
Small robotic vehicles and educational kits

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (via GPIO and motor interface)
Any microcontroller with digital I/O and PWM