The PIC16F877A is a powerful 40-pin DIP (Dual In-line Package) microcontroller from Microchip. It features a high-performance RISC CPU, 256 bytes of EEPROM, 368 bytes of RAM, and 33 I/O pins, making it ideal for embedded applications, automation, and control systems.

The ESP32 Dev Kit V1 is a powerful, low-cost Wi-Fi and Bluetooth development board based on the ESP32 SoC from Espressif Systems. With dual-core processing, built-in Wi-Fi and Bluetooth, multiple GPIOs, ADC, DAC, PWM, and SPI/I2C support, it's perfect for IoT, smart home, and embedded applications.

The Arduino Nano is a compact, breadboard-friendly microcontroller board based on the ATmega328P. It features 14 digital I/O pins, 8 analog inputs, PWM support, and USB connectivity, making it perfect for DIY electronics, robotics, automation, and IoT projects.

The HC-SR04 Ultrasonic Sensor is a high-precision distance measurement module that uses ultrasonic sound waves to detect objects and measure distances ranging from 2cm to 400cm with an accuracy of ±3mm. It is ideal for robotics, obstacle detection, automation, and IoT applications.

The 220 Ohm Resistor (1/4W, Through-Hole) is a high-precision, general-purpose resistor used for current limiting, voltage division, and circuit protection. It is ideal for LED current limiting, Arduino projects, power supplies, and electronic circuits.

The 1K Ohm Resistor (1/4W, Through-Hole) is a high-precision, general-purpose resistor commonly used for pull-up/pull-down circuits, voltage dividers, current limiting, and signal conditioning. Ideal for Arduino, ESP32, Raspberry Pi, and various electronic applications.

The 20cm Jumper Wires are flexible, durable, and pre-crimped connecting wires designed for prototyping, breadboarding, and circuit development. They provide quick and reliable connections between components, microcontrollers, and development boards like Arduino, ESP32, Raspberry Pi, and more.

The 5mm LED is a standard-sized light-emitting diode perfect for indicating status, lighting displays, and signal applications in electronics projects. Available in multiple colors including red, green, blue, yellow, and more, this 5mm LED is highly versatile for use in Arduino, Raspberry Pi, and various DIY electronic designs.

The 1602 LCD with I2C is a 16x2 character display with I2C interface that simplifies wiring and reduces the number of pins required for communication. Ideal for Arduino, Raspberry Pi, and microcontroller-based projects, it is a popular choice for projects requiring readable output like digital displays, temperature monitors, and status indicators.

The 2004 LCD with I2C is a 20x4 character display with I2C interface, ideal for Arduino, Raspberry Pi, and other microcontroller-based projects. This LCD screen offers a larger display area compared to the 1602 LCD, making it perfect for projects requiring more information on-screen, such as sensor displays, system status reports, and user interfaces.

The 100uF 50V Aluminium Electrolytic Capacitor is a high-capacitance and high-voltage electrolytic capacitor designed for use in power supplies, filter circuits, audio applications, and various electronics projects. With a capacitance of 100uF and a voltage rating of 50V, this capacitor offers reliable performance for storing electrical energy in DC circuits.

The 3-24V DC Buzzer is a versatile electromechanical component designed to provide audible alerts in various electronic applications. With a wide operating voltage range of 3V to 24V DC, this buzzer is perfect for use in alarm systems, indicators, warning devices, and many other DIY electronics projects that require sound notifications.

The 5V Relay Module 1-Channel is an electromechanical switch designed to allow low-voltage devices, such as Arduino and Raspberry Pi, to control higher voltage systems or high-power devices. This 1-channel relay is perfect for switching AC or DC loads using a 5V input signal, making it ideal for automation projects, home automation, and control systems.

The 10K Ohm 3296W-1-103 Trim Pot Trimmer Potentiometer is a high-precision variable resistor designed for fine-tuning and calibration in electronic circuits. With multi-turn adjustment, it offers precise resistance control, making it ideal for voltage dividers, sensor calibrations, and circuit tuning in both prototyping and final applications.

The 10K B10K Variable Resistor is a linear-taper (B-type) potentiometer with three pins, designed for adjusting voltage levels, controlling signal strength, and fine-tuning electronic circuits. This potentiometer is commonly used in audio volume control, motor speed regulation, and DIY electronics projects.

The YF-S201 Hall Effect Water Flow Sensor is a high-precision flowmeter designed to measure water flow rates from 1 to 30 liters per minute (L/min). With a durable plastic body, G1/2" (1/2 inch) inlet/outlet ports, and a Hall-effect sensor, this sensor provides accurate flow rate readings in water dispensing systems, industrial automation, and IoT applications.

The 7x9 cm Single-Sided Veroboard is a high-quality prototyping board designed for DIY soldering, circuit prototyping, and electronic project development. Featuring pre-drilled holes and a copper strip layout, this board is ideal for custom PCB designs, testing circuits, and permanent soldered connections.

The IR Infrared Obstacle Avoidance Sensor is a photoelectric switch module designed for proximity detection and obstacle avoidance in robotics and automation projects. It features an IR transmitting and receiving tube that detects objects by reflecting infrared light, making it ideal for robot navigation, object detection, and smart automation systems.

The 3dBi Omni-Directional Antenna with SMA Male Connector is designed for 433MHz communication applications, including GSM, GPRS, LoRa, WiFi, and other wireless systems. It provides enhanced signal reception and transmission stability, making it ideal for IoT, remote monitoring, and industrial wireless applications.

The 100x150mm Single-Sided Copper Clad PCB is a high-quality prototyping board designed for DIY electronics, circuit testing, and PCB fabrication. Featuring a pure copper layer, it allows for easy circuit etching, soldering, and custom PCB design, making it ideal for electronics hobbyists, engineers, and professionals.

The 12VDC Normally Closed (N/C) Solenoid Valve is designed for automatic control of liquid flow, making it ideal for water dispensing, irrigation systems, and industrial automation. This electromagnetic valve remains closed when unpowered and opens when 12VDC is applied, allowing efficient control of fluid flow.

The 830 Points Solderless Breadboard is a high-quality prototyping tool that offers a larger workspace for creating complex circuits. With 830 tie points, it is perfect for advanced electronics projects, DIY experiments, and educational purposes. This solderless breadboard allows for easy assembly and testing of circuits without the need for soldering, making it ideal for both beginners and experienced engineers.

The SG90 Micro Servo Motor is a compact, high-performance servo motor designed for a wide range of robotics and DIY electronics projects. Its small size and precise control make it ideal for applications like RC cars, robotics, and automation systems. Offering great torque and smooth movement, it’s a popular choice among electronics hobbyists, students, and engineers.

The SIM800L V2.0 5V GSM GPRS module is an upgraded version of the popular SIM800L, designed to work directly with 5V logic without requiring voltage level shifting. It enables SMS messaging, voice calls, and GPRS data connectivity, making it ideal for IoT applications, remote monitoring, and automation projects. The module comes with an antenna for better signal reception and is compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers.

The Micro Push Button Switch (4 Pin, DIP) is a compact, momentary tactile switch commonly used in electronics projects, prototyping, and embedded systems. It provides a tactile feedback click when pressed and is normally open (NO) until activated. With a DIP (Dual In-line Package) 4-pin design, it is easy to solder onto PCBs or use on breadboards for prototyping.

The 1mm Micro PCB Drill Bit is a high-precision drill bit designed for drilling small holes in PCBs (Printed Circuit Boards), plastics, soft metals, and other delicate materials. Made from tungsten carbide or high-speed steel (HSS), this drill bit ensures sharpness, durability, and accuracy, making it ideal for electronics prototyping, DIY projects, and professional PCB manufacturing.

The SN74HC595N is an 8-bit serial-in, parallel-out shift register with a storage register and 3-state outputs, housed in a DIP-16 package. It is widely used in microcontroller applications, LED matrix displays, digital circuits, and expanding GPIO pins for Arduino, Raspberry Pi, ESP32, and other embedded systems.

The 2N2222A is a popular NPN bipolar junction transistor (BJT) known for its high-speed switching and signal amplification capabilities. It is widely used in switching circuits, amplifiers, motor control, and embedded systems, making it a versatile choice for electronics enthusiasts and professionals.

The 1N4007 is a general-purpose rectifier diode capable of handling up to 1000V reverse voltage and 1A forward current. It is widely used in AC to DC rectification, power supplies, and polarity protection. Known for its high efficiency and reliability, the 1N4007 is an essential component for both hobbyist and industrial applications.

The 1N5408 is a high-current rectifier diode with a maximum voltage rating of 1000V and a forward current rating of 3A. It is designed for power rectification, voltage regulation, and surge protection in power supplies, battery chargers, and electronic circuits. Its rugged design ensures reliability in high-power applications.

A compact, regulated 12V DC power supply ideal for powering a wide range of electronics, Arduino boards, LED strips, CCTV cameras, routers, and DIY projects. Delivers stable voltage output for smooth and consistent device performance.

The 7805 voltage regulator is a popular positive linear regulator that provides a stable +5V DC output, perfect for powering microcontrollers, sensors, and logic circuits in embedded and DIY electronics projects.

The Arduino Uno R3 is a beginner-friendly, open-source microcontroller board based on the ATmega328P. Ideal for learning electronics, prototyping, and building real-world embedded systems, it's the most popular board in the Arduino family.

The Arduino Uno SMD Edition features the same functionality as the standard Uno R3, but uses a surface-mount (SMD) version of the ATmega328P. It's perfect for projects needing a compact form factor and long-term durability.

The LM2596 Buck Converter Module is a compact, efficient, and adjustable DC-DC step-down voltage regulator ideal for powering microcontrollers, sensors, LED strips, and other electronics from higher voltage sources.

The RC522 RFID Module Kit is a compact, low-cost solution for 13.56MHz contactless communication. It’s ideal for adding secure RFID-based identification and access control to your Arduino, ESP32, Raspberry Pi, and other microcontroller projects.

This Capacitive Touch Sensor Module (TTP223) allows you to replace traditional push buttons with a modern, touch-sensitive interface. It's ideal for use with Arduino, ESP32, Raspberry Pi, and other microcontrollers for creating sleek, intuitive control panels.

Reliable and robust, this 380V AC Contactor is ideal for switching and controlling 3-phase motors and heavy electrical loads in industrial and automation environments. Designed for long operational life, it ensures safe and efficient power handling.

A precision 8MHz crystal oscillator ideal for timing circuits, microcontroller clocks, and frequency-critical applications. Compact, stable, and suitable for both prototyping and production.

The DHT11 is a low-cost digital sensor that provides reliable measurements of temperature and humidity, ideal for weather stations, environmental monitoring, and smart home projects.

The DS18B20 is a waterproof digital temperature sensor probe designed for precise temperature measurement in wet or outdoor environments, perfect for Arduino, ESP32, Raspberry Pi, and IoT applications.

The AD8232 ECG Sensor Module is a low-power analog front end for biopotential measurement like ECG (Electrocardiography) and heart rate monitoring. It's perfect for health-related projects, wearables, and biomedical applications.

The Electric Connector Strip, also known as a terminal block or barrier strip, is ideal for safely and efficiently connecting electrical wires in various electronics, electrical, and DIY wiring applications.

The ESP32 Expansion Board for DevKit V1 is an easy-to-use breakout board that expands all GPIOs of the ESP32 DevKit V1 module, making it simpler to connect sensors, modules, and external components without messy wiring.

The 12V Brushless DC Fan is designed for efficient and quiet cooling. With a high-performance brushless motor, this fan provides long-lasting durability and reliable cooling in a variety of applications, from electronics cooling to HVAC systems.

The NEO-6M GPS Sensor Module is an advanced GPS receiver, designed for precise location tracking and navigation. With the ability to communicate with a variety of microcontrollers, including Arduino and ESP32, this GPS sensor is perfect for projects requiring real-time location data, such as navigation systems, drones, and robotics.

The HC-06 Bluetooth Module is a low-cost Bluetooth Serial Port Protocol (SPP) module designed for wireless communication between microcontrollers and other Bluetooth-enabled devices. It is widely used for applications such as wireless data transfer, remote control, and wireless sensors in projects involving Arduino, Raspberry Pi, and other embedded systems.