Electronics Components – Hamtech Electronics Technologies

Arduino uno ATmega328P-PU Microcontroller (28-Pin DIP)

admin — Wed, 25 Mar 2026 04:00:55 +0000

The Arduino UNO R3 is one of the most popular microcontroller boards used for learning and building electronics projects. Powered by the ATmega328P microcontroller, it is perfect for beginners, students, and professionals working on embedded systems, IoT, and robotics.

It provides a simple and flexible platform for developing interactive projects using sensors, motors, displays, and communication modules.

Microcontroller: ATmega328P
Operating voltage: 5V
Input voltage: 7V – 12V (recommended)
Digital I/O pins: 14 (6 PWM outputs)
Analog input pins: 6
Flash memory: 32KB
Clock speed: 16 MHz
USB interface for programming and power
Compatible with Arduino IDE
Supports shields and modules

Applications:

Robotics and smart car projects
IoT systems (with ESP modules)
Home automation
Learning embedded systems
Sensor-based projects

Breadboard 830

admin — Thu, 20 Nov 2025 19:52:14 +0000

The Breadboard 830 Points is a standard solderless breadboard with 830 tie-points, including two power rails on each side and a central prototyping area. It allows easy insertion and removal of components and jumper wires for rapid prototyping and testing of circuits. Compatible with standard 2.54 mm pitch components, it is perfect for beginners and hobbyists in electronics.

Key Features

830 tie-points for flexible prototyping
Two power rails on each side (+ and –)
Solderless design for easy insertion and removal of components
Standard 2.54 mm pitch compatible with Arduino, ESP32, Raspberry Pi
Transparent or white base for easy visualization of connections

Variants

Standard 830-point breadboard (white base)
Transparent base breadboard
With or without adhesive backing

Specifications

Feature	Details
Total Tie Points	830
Power Rails	2 on each side
Pitch	2.54 mm
Material	ABS Plastic with Nickel-plated contacts
Dimensions	~82 × 56 × 9 mm
Mounting	Solderless, optional adhesive backing

Applications

Prototyping electronic circuits
Testing Arduino, ESP32, Raspberry Pi projects
IoT and sensor circuits
Robotics and embedded systems
DIY electronics and educational projects

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi GPIO pins
Standard 2.54 mm pin components and jumper wires

1N4148 Diode

admin — Thu, 20 Nov 2025 19:52:05 +0000

The 1N4148 is a reliable, high-speed diode with fast switching capability, capable of operating in circuits requiring switching frequencies up to 100 MHz. It’s widely used in logic circuits, signal routing, and low-current rectification. Its compact DO-35 axial package and robust performance make it a common choice for both hobbyist and industrial electronics.

Key Features

Fast switching time (~4 ns)
Low forward voltage drop (~1V at 10 mA)
High reliability for general-purpose switching
Compact axial lead package
Suitable for digital and analog circuits

Variants

Standard 1N4148 Diode (axial lead)
1N4148 SMD version for PCB assembly

Specifications

Feature	Details
Maximum Repetitive Peak Reverse Voltage	100V
Maximum Forward Current	300 mA
Maximum Surge Current	2A (1 μs pulse)
Forward Voltage Drop	1V @ 10 mA
Reverse Recovery Time	4 ns
Package	DO-35 Axial Lead / SMD
Operating Temperature	-65°C to +175°C

Applications

Logic and digital switching circuits
High-speed signal processing
Pulse circuits
Polarity and over-voltage protection
Electronics hobby and prototyping

Compatible Boards / Circuits

Arduino / ESP32 signal routing circuits
Embedded electronics modules
Power supply signal conditioning
Robotics and automation electronics

IRF540N MOSFET

admin — Thu, 20 Nov 2025 19:52:05 +0000

The IRF540N is a high-efficiency N-Channel MOSFET designed for fast switching and high-current applications. It supports up to 33A and 100V, making it suitable for DC motor drivers, LED dimming, battery control, inverters, SMPS circuits, and high-power switching.
It’s widely used in Arduino/ESP32 projects for controlling heavy loads through PWM, offering excellent Rds(on) performance for reduced heat generation. The IRF540N is a robust, reliable choice for your power electronics needs.

Features

Supports high-current and high-voltage loads
Fast switching MOSFET
Low Rds(on) for efficient heat management
Compatible with PWM control
TO-220 case for easy mounting

Specifications

Feature	Details
Type	N-Channel MOSFET
Voltage	100V
Current	33A
Rds(on)	0.044Ω
Gate Voltage	10V recommended
Package	TO-220

MCP3008 ADC

admin — Thu, 20 Nov 2025 19:52:04 +0000

The MCP3008 is a versatile 8-channel 10-bit ADC that communicates via SPI protocol. It enables microcontrollers with limited analog inputs to read multiple analog sensors such as temperature sensors, potentiometers, light sensors, and more. This module is widely used in IoT, robotics, and embedded electronics projects requiring analog data acquisition.

Key Features

8 analog input channels (CH0–CH7)
10-bit resolution (0–1023)
SPI communication interface for easy integration
Operates at 2.7V–5.5V
Low power consumption, suitable for battery-powered projects
Compatible with Arduino, ESP32, ESP8266, Raspberry Pi

Variants

MCP3008 Standard SPI ADC Module
MCP3008 with breadboard-friendly pins

Specifications

Feature	Details
ADC Channels	8
Resolution	10-bit
Interface	SPI (MISO, MOSI, SCK, CS)
Operating Voltage	2.7V – 5.5V
Sample Rate	Up to 200 ksps
Package	DIP-16 (for module)

Applications

Reading multiple analog sensors
IoT sensor data acquisition
Robotics and automation systems
Microcontroller-based measurement systems
Educational and DIY electronics projects

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (via SPI)
Any SPI-compatible microcontroller

1N4007 Diode

admin — Thu, 20 Nov 2025 19:52:04 +0000

The 1N4007 is a silicon rectifier diode capable of handling high voltages up to 1000V and forward currents up to 1A. It is commonly used in AC-to-DC rectification, polarity protection, and general electronic circuits. Its robust design and reliability make it a staple component in both hobbyist and industrial electronics.

Key Features

High-voltage capability: up to 1000V
Forward current: 1A continuous
Low leakage current
Fast switching for rectification
Robust and reliable for general-purpose use

Variants

Standard 1N4007 Diode (axial lead)
1N4007 SMD version for PCB assembly

Specifications

Feature	Details
Maximum Repetitive Peak Reverse Voltage	1000V
Maximum RMS Voltage	700V
Maximum DC Blocking Voltage	1000V
Forward Current	1A
Forward Voltage Drop	0.7V @ 1A
Package	DO-41 Axial Lead / SMD
Operating Temperature	-65°C to +150°C

Applications

AC to DC rectification
Power supply protection
Polarity protection
Electronics DIY projects
General-purpose electronics circuits

Compatible Boards / Circuits

Arduino / ESP32 circuits (for polarity protection)
Power supply rectifier modules
Embedded electronics projects
Robotics and automation power circuits

USB Host Shield

admin — Thu, 20 Nov 2025 19:52:03 +0000

The USB Host Shield is an expansion board that plugs directly onto an Arduino or compatible microcontroller. It enables USB host functionality, allowing your microcontroller to communicate with standard USB devices. It supports a wide range of USB peripherals and is perfect for robotics, game controllers, HID devices, and data logging projects.

Key Features

Adds USB host functionality to Arduino boards
Supports USB keyboards, mice, joysticks, and game controllers
Compatible with Arduino Uno, Mega, Leonardo, and other shields
Easy plug-and-play integration
Supports USB storage devices with appropriate libraries

Variants

Standard USB Host Shield (Arduino Uno compatible)
USB Host Shield for Arduino Mega / Leonardo

Specifications

Feature	Details
Interface	USB 2.0 Host
Microcontroller Compatibility	Arduino Uno, Mega, Leonardo
Operating Voltage	5V
Communication	SPI (via Arduino pins)
Dimensions	68.6 mm × 53.3 mm

Applications

Robotics (control with USB gamepads or joysticks)
Data logging from USB devices
HID device communication (keyboard, mouse)
USB storage reading and file management
DIY electronics and IoT projects requiring USB interface

Compatible Boards / Circuits

Arduino Uno, Mega, Leonardo
ESP32 (with SPI and library support)
Any microcontroller capable of SPI communication and USB library support

PS2 Controller Module

admin — Thu, 20 Nov 2025 19:52:03 +0000

The PS2 Controller Module provides a simple way to read button states and analog joystick positions from standard PS2 controllers. It communicates with microcontrollers via a few digital pins and can be used for robotics control, remote-controlled vehicles, or custom game interfaces. Compatible libraries make integration quick and easy for Arduino and ESP32 platforms.

Key Features

Supports standard PS2 wired controllers
Reads buttons and analog joystick values
Easy to interface with Arduino and ESP32
Low power consumption, compact module
Ideal for robotics, remote vehicles, and gaming projects

Variants

Standard PS2 Controller Module
With connector cable for easy Arduino connection

Specifications

Feature	Details
Communication	Digital pins (clock, command, attention, data)
Compatible Controllers	Sony PS2 wired controllers
Operating Voltage	3.3V – 5V
Current Consumption	~10 mA
Dimensions	~45 × 20 × 10 mm

Applications

Robotics control via PS2 joystick
Remote-controlled vehicles
DIY gaming interfaces
Educational electronics projects
Interactive IoT devices

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Any microcontroller with digital I/O pins

Rotary Encoder

admin — Thu, 20 Nov 2025 19:52:03 +0000

The KY-040 Rotary Encoder is a digital knob used to detect rotational movement and direction. Unlike potentiometers, rotary encoders can rotate endlessly, making them perfect for adjusting parameters, navigating menus, or controlling motor speeds without limits.

It provides two out-of-phase signals (A and B), enabling microcontrollers to detect rotation direction and count steps accurately. A push-button is built into the knob, offering an additional input for selecting items or toggling functions.

Widely used in embedded systems, user-interface panels, 3D printers, audio equipment, and robotics.

Key Features

360° continuous rotation
Built-in push-button switch
Provides direction and step count
Stable mechanical detents
Ideal for menu navigation and parameter adjustments
Easy interface with Arduino, ESP32, ESP8266, Raspberry Pi

Specifications

Feature	Details
Encoder Type	Incremental mechanical
Operating Voltage	5V
Signals	A (CLK), B (DT), Switch (SW), VCC, GND
Steps per Rotation	Typically 20 steps
Push Button	Integrated, momentary
Shaft Type	Knurled metal shaft
Mounting	PCB mount module (KY-040)

Applications

Menu navigation on LCDs/TFT displays
Motor speed control
Volume control
3D printer control knobs
DIY audio equipment
Control panels and dashboards
User input for embedded devices

Compatible Boards / Systems

Arduino Uno / Nano / Mega
ESP32 / ESP8266
Raspberry Pi
STM32, MicroPython boards
Any microcontroller with digital interrupts

RS485 MAX485

admin — Thu, 20 Nov 2025 19:52:02 +0000

The Rotary Encoder Module is a versatile input device used to convert rotational movement into digital signals. Unlike potentiometers, rotary encoders rotate infinitely without mechanical limits, making them ideal for menu navigation, motor control, and parameter adjustments.
It outputs two phase-shifted digital signals (A and B), allowing microcontrollers to determine both direction and step count. Many versions also include a built-in momentary push-button for additional control functionality.

Key Features

Infinite rotation (no end stops)

Direction and step detection

Built-in push button

High accuracy with detents

Easy to interface with Arduino, ESP32, Raspberry Pi

Perfect for menu control and motor speed control

Specifications
Feature Details
Output Quadrature (A & B)
Voltage 3.3V–5V
Steps per Revolution ~20 detents
Push Button Yes
Shaft Type Knurled
Mounting PCB with pins
Applications

Control knobs for electronics

Motor speed and direction control

3D printer menu navigation

Audio volume knobs

CNC control panels

Compatibility

Arduino Uno / Nano / Mega

ESP32 / ESP8266

Raspberry Pi

STM32 / PIC / AVR