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74XX Series IC's
IC 74124 – Schmitt Trigger Inverter (Pack of 2)
The IC 74124 is a Schmitt trigger buffer/inverter, part of the 7400 series TTL logic family. It features a single Schmitt trigger input and output, providing enhanced noise immunity and signal shaping. This IC is used to clean up and stabilize signals in digital circuits, making it ideal for converting slow or noisy input signals into clean, sharp transitions for further processing.
SKU: ic-74124 -
74XX Series IC's
IC 74123 – Dual Schmitt Trigger Monostable Multivibrator (Pack of 2)
The IC 74123 is a dual retriggerable monostable multivibrator with a clear function, part of the 7400 series TTL logic family. It can generate precise time delays in response to input pulses and can be retriggered during its output pulse. This IC is used in timing applications, pulse generation, and as a delay element in digital circuits.
SKU: ic-74123 -
74XX Series IC's
IC 7407 – Hex Buffer/Driver (Pack of 2)
The IC 7407 is a hex buffer/driver with open-collector outputs, part of the 7400 series TTL logic family. It includes six independent buffer/drivers, each with an open-collector output that can sink current but not source it. This IC is used for interfacing with external devices, driving loads, and implementing wired-AND configurations in digital circuits.
SKU: ic-7407 -
40XX Series IC's
IC 4069 – Hex Inverter (Pack of 2)
The IC 4069 is a hex inverter with Schmitt trigger, part of the 4000 series CMOS logic family. It contains six independent inverters, each featuring Schmitt trigger input stages for enhanced noise immunity and signal stability. This IC is used for signal conditioning, logic inversion, and waveform shaping in digital circuits, providing reliable performance in various applications.
SKU: ic-4069 -
40XX Series IC's
IC 4066 – Quad Bilateral Switch (Pack of 2)
The IC 4066 is a quad bilateral switch, part of the 4000 series CMOS logic family. It features four independent switches that can be used to control the flow of analog or digital signals. Each switch can be used to open or close the circuit, making it ideal for signal routing, multiplexing, and signal conditioning in various electronic applications.
SKU: ic-4066 -
40XX Series IC's
IC 4060 – 14-Stage Binary Ripple Counter/Divider with Oscillator (Pack of 2)
The IC 4060 is a 14-stage binary ripple counter with an internal oscillator, part of the 4000 series CMOS logic family. It includes a 14-bit binary counter, a frequency divider, and a crystal-controlled oscillator. This IC is used for timing applications, frequency division, and as a frequency generator in various digital and analog electronic circuits.
SKU: ic-4060 -
Generic Integrated Circuits
817B Optocoupler: Phototransistor Output Optocoupler (Pack of 2)
The 817B is an optocoupler (also known as an opto-isolator) that includes an infrared LED and a phototransistor in a single package. It provides electrical isolation between input and output, protecting sensitive components from high voltages or transients. The 817B is commonly used in switching applications, signal isolation, and interfacing between different voltage levels in electronic systems. It operates with a wide range of input currents and provides reliable isolation with a typical isolation voltage of 5 kV.
SKU: 817b-optocoupler -
Transistors
Transistor SL100: NPN Bipolar Junction Transistor for General-Purpose Applications (Pack of 5)
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TransistorsTransistor SL100: NPN Bipolar Junction Transistor for General-Purpose Applications (Pack of 5)
The SL100 is a NPN bipolar junction transistor (BJT) with the following specifications:
- Type: NPN Bipolar Junction Transistor
- Maximum Collector-Emitter Voltage (Vceo): 50V
- Maximum Collector-Base Voltage (Vcbo): 50V
- Maximum Emitter-Base Voltage (Vebo): 5V
- Maximum Collector Current (Ic): 2A
- DC Current Gain (hFE): 40 to 320
- Package Type: TO-18
The SL100 is commonly used in switching and amplifier applications due to its relatively high current handling capability and good gain characteristics.
SKU: sl100-transistor -
Generic Integrated Circuits
HT12E: 16-Pin Serial Interface Encoder IC (Pack of 2)
The IC HT12E is an 8-bit addressable EEPROM-based parallel-to-serial encoder, commonly used in communication systems. It converts parallel data inputs into a serial data stream, which can be transmitted to an external decoder, such as the HT12D. The HT12E is often used in remote control systems, RF communication modules, and data transmission applications, allowing for easy encoding and communication of data between devices. It supports 8-bit data, address settings, and control functions for reliable serial communication.
SKU: ic-ht12e -
Displays
3.95 inch TFT LCD for Arduino Mega
The 3.95 inch TFT LCD display for Arduino Mega offers vibrant color and clarity for projects requiring visual interfaces. With touchscreen capabilities, it enhances user interaction and is ideal for applications like data logging, sensor monitoring, and multimedia displays. Easy to integrate and versatile for various Arduino projects.
SKU: 3-95-inch-tft-lcd-for-arduino-mega -
Sensors and Modules
TDS Sensor
The TDS Sensor measures total dissolved solids in water by assessing electrical conductivity. It provides accurate readings of dissolved salts and impurities, essential for water quality testing in drinking water, aquariums, hydroponics, and industrial processes. Compact, durable, and easy to integrate, it ensures reliable water quality monitoring.
SKU: tds-sensor -
Transistors
Voltage Regulator Combo Pack – 60 Pcs (6 Popular Types, 10 Each)
Voltage Regulator Combo Pack – 60 Pcs (6 Popular Types, 10 Each)
This Voltage Regulator Combo Pack is a must-have for electronics enthusiasts, students, and professionals working on circuit design, prototyping, and experimentation. The pack includes Six widely used Voltage Regulator, with 10 pieces of each type, totaling 60 Regulator.
SKU: n/a -
Raspberry Pi and Accessories
Raspberry Pi Camera Module 2 NoIR
The Raspberry Pi Camera Module 2 NoIR is a high-quality 8MP camera designed for Raspberry Pi boards. “NoIR” stands for “No Infrared Filter,” allowing the camera to capture both visible and infrared light. This makes it ideal for night vision, low-light photography, plant monitoring, and scientific projects.
Equipped with the Sony IMX219 sensor, it can capture still images at high resolution and supports video recording at 1080p30, 720p60, and 640x480p90. The camera connects via the Raspberry Pi’s CSI interface for fast, high-quality data transmission directly to the processor.
Thanks to its sensitivity to infrared light, the NoIR camera is perfect for use with IR LEDs to record images in complete darkness. It’s lightweight, compact, and easily integrated into a wide range of projects including home automation, wildlife monitoring, and robotics.
SKU: Raspberry Pi Camera Module 2 NoIR -
Electrolytic Capacitors
Capacitor Mix Box 0.33uf to 6.8 uf
Capacitors are essential components in electronic circuits, serving functions like power stabilization, noise filtering, and signal coupling.
- 0.33µF / 50V: Used in decoupling, noise suppression, and signal coupling in audio and power circuits.
- 1µF / 100V: Common in power supplies, LED drivers, and audio preamplifiers for voltage stabilization.
- 1.5µF / 100V: Found in motor control, pulse circuits, and voltage regulation applications.
- 3.3µF / 63V: Used in switching regulators, battery management, and amplifier filtering.
- 4.7µF / 50V & 63V: Ideal for microcontroller power filtering, voltage suppression, and sensor circuits.
- 6.8µF / 400V: Used in high-voltage power supplies, industrial systems, and LED drivers.
These capacitors improve efficiency, reduce noise, and enhance circuit reliability, making them indispensable in modern electronics.
SKU: Capacitor Mix Box 0.33uf to 1uf -
Generic Integrated Circuits
ILN2003 – 7-Channel Darlington Transistor Array ( Pack Of 2 )
The ILN2003 is a 7-channel Darlington transistor array commonly used for driving high-power loads from low-power logic circuits. Each channel consists of a pair of Darlington transistors, providing high current gain, enabling it to switch loads up to 500mA per channel with a maximum voltage of 50V. It features built-in flyback diodes for protection when driving inductive loads such as relays, motors, and solenoids.
Designed for TTL and CMOS compatibility, the ILN2003 operates as an interface between low-voltage digital circuits (such as microcontrollers) and high-power devices. It has a common emitter configuration with inputs that can be directly driven by logic signals. The compact 16-pin DIP and SOIC packages make it easy to integrate into various applications, including stepper motor control, LED displays, and relay switching. Due to its reliability and ease of use, the ILN2003 is widely used in automation, robotics, and embedded systems.
SKU: n/a -
Transistors
TL431 – Programmable Shunt Voltage Reference ( Pack of 2)
The TL431 H818 is a programmable shunt voltage reference that provides a precise voltage regulation over a wide range. It operates as an adjustable Zener diode with an output voltage programmable from 2.5V to 36V using an external resistor divider. This component is widely used in power supplies, voltage regulation circuits, and feedback control loops due to its high accuracy and thermal stability.
The TL431 has three terminals: Reference (Ref), Anode (A), and Cathode (K). It functions as an active shunt regulator, maintaining a constant voltage by adjusting the current flow. The H818 marking typically refers to a specific batch code or manufacturer variant.
With a typical output voltage tolerance of ±0.5% to ±2%, it is ideal for switching power supplies (SMPS), battery chargers, and overvoltage protection circuits. Due to its versatility, low cost, and reliability, the TL431 is a popular choice in industrial and consumer electronics applications.
SKU: TL431 – Programmable Shunt Voltage Reference -
Sensors and Modules
433Mhz Wireless RF Transmitter Receiver Board With HT12D HT12E
The 433MHz RF Transmitter and Receiver Module is a reliable solution for wireless remote control and data transmission. It operates on the 433MHz frequency using ASK (Amplitude Shift Keying) modulation, making it ideal for IoT, home automation, and security applications.
Key Features:
✅ 433MHz Wireless Communication for stable long-range transmission.
✅ HT12E Encoder & HT12D Decoder for secure data transfer.
✅ Low Power Consumption for battery-powered applications.
✅ Microcontroller Compatibility – Works with Arduino, PIC, and AVR.Applications:
🔹 Remote Control Systems – Wireless switching for appliances.
🔹 Home Automation – Smart lighting and security integration.
🔹 Wireless Data Transmission – Communication between embedded devices.Package Includes:
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1 x 433MHz RF Transmitter Module
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1 x 433MHz RF Receiver Module
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1 x HT12E Encoder & HT12D Decoder IC
🚀 Ideal for wireless projects and automation!
SKU: 433Mhz Wireless RF Transmitter Receiver Board With HT12D HT12E -
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Robot Parts, Robotic Kits
Robotic Kit Using Gear Motor 300 RPM
The Robotic Kit with 300 RPM Gear Motor is ideal for students, hobbyists, and robotics enthusiasts looking to build smart robotic cars and automation projects. This kit provides essential components for creating autonomous and remote-controlled robots.
Key Features:
✅ 300 RPM DC Geared Motors – Ensures smooth and efficient movement.
✅ Durable Chassis – Provides a stable base for the robot.
✅ Motor Driver Compatibility – Works with L298N and Arduino
✅ Easy Assembly – Pre-drilled holes for mounting motors and controllers.Applications:
🔹 Line-following robots
🔹 Obstacle avoidance vehicles
🔹 Smart robotic cars🚀 Start your robotics journey today!
SKU: Robotic Kit Using Gear Motor 300 RPM -
40XX Series IC's
IC 4070 – Quad XOR Gate (Pack of 2)
The IC 4070 is a Quad 2-Input XOR (Exclusive OR) Gate belonging to the CMOS 4000 series. It contains four independent XOR gates in a single package, each with two inputs. The XOR logic function outputs HIGH (1) when the inputs are different and LOW (0) when they are the same. It operates on a wide voltage range (3V to 15V), making it suitable for low-power and high-speed digital logic applications.
SKU: IC 4070 - Quad XOR Gate -
40XX Series IC's
IC 4026 – 7-Segment Display Driver with Counter (Pack of 2)
The IC 4026 is a decade counter with a 7-segment display driver, commonly used for numerical displays in electronic circuits. It counts from 0 to 9 and directly drives 7-segment LED displays without requiring additional decoders. The IC features clock input, carry-out, and reset functions, making it ideal for digital counters, timers, and display applications. It operates on a wide voltage range (3V to 15V) and is widely used in electronic projects, scoreboards, and timers.
SKU: IC 4026 - 7-Segment Display Driver with Counter -
Robot Projects
Rf Control Robot using RF Module
This project focuses on building an RF-controlled robot using an RF transmitter and receiver module for wireless communication. The robot can be remotely operated using radio frequency (RF) signals, making it ideal for surveillance, remote monitoring, and automation applications.
Working Principle:
- The RF transmitter sends control signals using push buttons.
- The RF receiver receives these signals and decodes them using a decoder IC (HT12D).
- The decoded signals control motor driver IC (L298N or L293D), which drives the robot’s motors accordingly.
Applications & Benefits:
- Used in wireless robotic applications such as remote-controlled cars, industrial automation, and military surveillance.
- Provides long-range communication (typically up to 100 meters).
- Simple and cost-effective project for learning RF communication and robotics.
SKU: Rf Control Robot using RF Module (without Microcontroller) -
STM32 Projects
Wireless Notice Board using STM32
A Wireless Notice Board using an STM32 microcontroller, an LCD, and Bluetooth allows for dynamic message updates. Users can send messages wirelessly via Bluetooth, which the STM32 processes and displays on the LCD. This system is ideal for real-time updates in schools, offices, or public spaces.
SKU: Wireless Notice Board using STM32 -
Sensors and Modules
USB2.0 Expansion Module HUB Concentrator
The USB2.0 Expansion Module HUB Concentrator is a compact and efficient solution for adding multiple USB ports to your device. With high-speed data transfer up to 480 Mbps, it supports various peripherals like keyboards, mice, and flash drives. Its plug-and-play design ensures easy setup, and its portable size makes it perfect for travel. Compatible with Windows, macOS, and Linux, it’s ideal for expanding connectivity in any setting.
SKU: usb2.0-expansion-module-hub-concentrator -
Robot Projects
Line Following Robot (LFR) Car using Arduino Uno
The Line Following Robot Car using Arduino Uno autonomously follows a predefined path using infrared sensors. The Arduino Uno processes sensor data to detect the line and adjusts the car’s direction to stay on track. This project is perfect for learning about robotics, sensor integration, and control systems.
SKU: line-following-robot-car-using-arduino-uno
