Shop
Showing 217–240 of 393 resultsSorted by popularity
-
Transistors
Transistor BF495: NPN High Voltage Transistor for RF and Amplifier Applications (Pack of 5)
-52%
TransistorsTransistor BF495: NPN High Voltage Transistor for RF and Amplifier Applications (Pack of 5)
The Transistor BF495 is an NPN transistor known for its high-frequency performance and low noise characteristics. It is commonly used in RF amplification, signal processing, and switching applications. With its stable gain and wide bandwidth, it is suitable for use in communication devices, oscillators, and other high-frequency circuits where precise signal handling is required.
SKU: transistor-bf495 -
Transistors
Transistor BEL187 (Pack of 5)
The BEL187 is a Power Transistor with the following specifications:
- Type: NPN Power Transistor
- Collector-Emitter Voltage (Vceo): 50V
- Collector-Base Voltage (Vcbo): 50V
- Emitter-Base Voltage (Vebo): 5V
- Collector Current (Ic): 2A (continuous)
- Power Dissipation (Ptot): 15W (with proper heat sinking)
- DC Current Gain (hFE): 30 to 80 (typical)
- Package Type: TO-220
The BEL187 is used in various amplification and switching applications. Its ability to handle moderate current and power makes it suitable for driving loads and providing signal amplification in electronic circuits.
SKU: transistor-bel187 -
Generic Integrated Circuits
4N35 Optocoupler: Phototransistor Output Optoisolator (Pack of 2)
The 4N35 is an optocoupler (or opto-isolator) that contains an infrared LED and a phototransistor. It provides electrical isolation between its input and output, protecting sensitive circuits from high voltage or noise. The 4N35 is commonly used for signal isolation, switching applications, and interfacing between different voltage levels in electronic systems. It typically features an isolation voltage of 5 kV and can handle a range of input currents, offering reliable performance in various applications requiring electrical separation and signal transfer.
SKU: 4n35-optocoupler -
Transistors
2N7000: N-Channel Enhancement-Mode Field-Effect Transistor (MOSFET) (Pack of 5)
The 2N7000 is a popular N-channel MOSFET with the following features:
- Type: N-Channel MOSFET
- Maximum Drain-Source Voltage (Vds): 60V
- Maximum Gate-Source Voltage (Vgs): ±20V
- Maximum Drain Current (Id): 200mA
- Gate Threshold Voltage (Vgs(th)): 2-4V
- Rds(on) (On-Resistance): 5Ω (typical)
- Package Types: TO-92, SOT-23
The 2N7000 is commonly used for switching and amplification applications in low-power circuits. Its small size and low on-resistance make it suitable for use in a variety of electronic devices.
SKU: 2n7000 -
Generic Integrated Circuits
HT12D: 16-Pin Serial Interface Decoder IC (Pack of 2)
The IC HT12D is a 16-pin decoder for use in communication systems, often paired with the HT12E encoder. It converts serial data received from the HT12E into parallel data outputs. The HT12D supports 8-bit data and address settings, and includes additional control functions like enable pins and output drivers. It is commonly used in remote control systems, RF communication modules, and data transmission applications to decode and interpret serial data into a usable parallel format for further processing.
SKU: ic-ht12d -
-
Sensors and Modules
Fingerprint Module (R307)
The Fingerprint Module (R307) is a high-performance fingerprint sensor for secure access control and biometric identification. It features easy integration with microcontrollers like Arduino and Raspberry Pi, allowing you to store and recognize up to 1000 fingerprints. The module is compact, reliable, and ideal for DIY projects, door locks, and other security systems.
SKU: finger-print-module-r307 -
Raspberry Pi and Accessories
SanDisk Micro SD/SDHC 32GB Class 10 Memory Card
The SanDisk Micro SD/SDHC 32GB Class 10 Memory Card offers reliable and efficient storage for your digital needs. With 32GB of space, it’s perfect for storing photos, HD videos, music, apps, and more. Rated Class 10, it ensures fast data transfer and supports smooth Full HD video recording with minimum write speeds of 10MB/s.
This card is ideal for smartphones, tablets, action cameras, and other compatible devices. It is durable and built to last, featuring resistance to water, shock, temperature extremes, and X-rays — making it a dependable choice for travel, outdoor adventures, or daily use.
The compact design fits easily into mobile devices, and with an optional SD adapter, it can also be used in devices with standard SD slots. Whether you’re a casual user or a content creator, the SanDisk 32GB memory card delivers performance, speed, and the trusted quality of the SanDisk brand.
SKU: SanDisk Micro SD/SDHC 32GB Class 10 Memory Card -
Robot Projects
Line Following Robot (LFR) Using L293D Motor Driver & IR Sensors
A line follower robot using L293D and IR sensors (without Arduino) is an autonomous robot that follows a black line on a white surface. It uses two IR sensors to detect the path: when IR light reflects from the surface, the sensor gives a signal that controls the motors through the L293D motor driver. Based on sensor input, the robot moves forward, turns left/right, or stops. This simple, low-cost robot is widely used in automation, educational projects, and robotics competitions. It demonstrates basic electronics, sensor interfacing, and motor control without requiring any programming or microcontroller.
SKU: Line Following Robot (LFR) Using L293D Motor Driver & IR Sensors -
Robot Parts
Gear Motor 12V 1000RPM
The 1000 RPM Gear Motor is a high-speed DC motor with an integrated gearbox, designed for robotics, automation, and mechanical applications. It provides fast rotational motion with moderate torque, making it ideal for projects requiring speed and efficiency.
Key Features:
- 1000 RPM speed for high-speed applications.
- Moderate torque output for lightweight load handling.
- Durable metal gears for long-lasting performance.
- Compatible with Arduino, Raspberry Pi, and motor drivers.
- Low power consumption for efficient operation.
Applications:
- Robotics & automation systems requiring fast movement.
- Conveyor belts, actuators, and small machinery.
- DIY motorized projects & hobbyist applications.
- RC vehicles & smart machines.
With smooth operation and reliable performance, the 1000 RPM Gear Motor is an excellent choice for high-speed motion control projects in robotics, automation, and DIY applications.
SKU: gear-motor-12v-1000rpm-1-1 -
B.Tech Diploma Mini Projects
Simple Mini Inverter using IC 4047
This project demonstrates how to build a simple mini inverter using the IC 4047, which functions as a multivibrator to generate stable square wave pulses. The circuit converts 12V DC from a battery into 230V AC using a step-up transformer and power transistors or MOSFETs.
Working Principle:
- The IC 4047 operates in astable mode, generating 50Hz or 60Hz signals.
- These pulses drive transistors or MOSFETs, switching the transformer’s input.
- The transformer steps up the voltage to 230V AC, making it suitable for powering small AC loads.
Applications & Benefits:
- Ideal for emergency power backup for LED bulbs, mobile chargers, and small fans.
- Simple, low-cost, and efficient design, perfect for beginners in electronics.
- Can be modified for higher power output using stronger transistors and transformers.
SKU: Simple Mini Inverter using IC 4047 -
B.Tech Diploma Mini Projects
IR Proximity Sensor
The IR Proximity Sensor Circuit uses an IR LED, photodiode, and LM358 operational amplifier to detect nearby objects. The IR LED emits light, which reflects off objects and is detected by the photodiode. The LM358 amplifies the signal, triggering an LED indicator, powered by a battery with a current-limiting resistor.
SKU: IR Proximity Sensor -
Robot Projects
Obstacle Avoidance Robot Car using Arduino UNO
An Obstacle Avoidance Robot Car using Arduino UNO is an autonomous vehicle that detects and avoids obstacles using an ultrasonic sensor. Controlled by an Arduino UNO and driven by an L293D motor driver, the robot changes direction upon sensing an obstacle, making it ideal for learning robotics and programming basics.
SKU: obstacle-avoidance-robot-car-using-arduino-uno-4wd-1 -
Electronics Kit
Simple Electronics Kit for beginners
Simple Electronics Kit include essential components like LEDs, resistors, motors, batteries, and switches. These kits are perfect for beginners to learn the basics of electronics by building simple circuits and projects. They provide hands-on experience, making it easy to understand how different electronic components work together in various applications.
SKU: simple-electronics-kits -
Resistors - 5 Watt
4.7K Ohms (5Watts) Resistor (Pack of 2)
The 4.7K Ohms (5 Watts) Resistor (4R7 5W) [White] provides accurate resistance and high power handling for demanding applications. Its durable construction ensures reliability in power supplies, signal processing, and DIY projects. The clear white color coding simplifies identification, making it ideal for various electronic and educational uses.
SKU: 4.7-k-ohms---5watts -
Sensors and Modules
5 in 1 Sensor Kit for Arduino
The 5 in 1 Sensor Kit for Arduino includes DHT11, PIR, IR Sensor, Ultrasonic Sensor, and Soil Moisture Sensor. This versatile kit allows you to create projects involving temperature and humidity detection, motion sensing, obstacle detection, distance measurement, and soil moisture monitoring. Ideal for beginners and hobbyists, it’s a perfect addition to your Arduino projects.
SKU: 5-in-1-sensor-kit-for-arduino -
-
STM32 Projects
Smoke Detector System using MQ135 and STM32
The smoke detector system integrates an MQ135 gas sensor with an STM32 microcontroller. The MQ135 detects smoke and gases, sending analog signals to the STM32. The microcontroller converts these signals using its ADC, compares them to calibrated thresholds, and activates alarms if smoke levels are exceeded.
SKU: smoke-detector-system-using-mq135-and-stm32 -
Electronics Kit
Basic Electronic Kits
Explore the fundamentals of electronics with our Basic Electronic Kits. Ideal for beginners and hobbyists, each kit includes essential components like LEDs, resistors, wires, switches and motors, for hands-on learning. Start your journey into electronics today with our user-friendly and educational kit.
SKU: basic-electronic-kits -
B.Tech Diploma Mini Projects
Dark Sensor Using LDR
Click Here to Download the Circuit Diagram of “Dark Sensor Using LDR”
The Dark Sensor using an LDR (Light Dependent Resistor) detects low light conditions to trigger an output action, such as turning on an LED or activating a relay. The LDR changes resistance based on ambient light levels, which is used to control the circuit, making it ideal for automatic lighting systems and light-sensitive applications.
SKU: dark-sensor-project -
B.Tech Diploma Mini Projects
NOR Gate
Click Here to Download the Circuit Diagram of “NOR Gate”
Discover our NOR Gate project, a crucial element in digital electronics. Learn how to build and apply this logic gate, which outputs true only when all its inputs are false. Ideal for students and enthusiasts interested in mastering logic circuits and understanding the fundamentals of digital design.
SKU: nor-gate-project -
B.Tech Diploma Mini Projects
Transistor as Switch
Click Here to Download the Circuit Diagram of “Transistor as Switch”
The Transistor as a Switch project demonstrates how a transistor can control a high-current load with a low-current signal. In this setup, the transistor acts as an electronic switch, using its ability to amplify current to turn a load on or off.
Components:
- NPN Transistor (e.g., BC547)
- Resistor (base resistor)
- Load (e.g., LED with current-limiting resistor)
- Power Supply
Working:
- Base Resistor: Connects the transistor’s base to a control signal (e.g., a microcontroller or a switch). This resistor limits the base current.
- Collector-Emitter Path: The load is connected between the collector of the transistor and the power supply. When the transistor is in the “on” state (saturated), current flows from the collector to the emitter, powering the load.
- Control Signal: Applying a small voltage to the base allows a larger current to flow from the collector to the emitter, thus switching the load on.
When the control signal is high, the transistor conducts, and the load is energized. When the control signal is low, the transistor stops conducting, and the load turns off. This simple yet effective project showcases the transistor’s utility in switching applications.
SKU: transistor-as-switch-project -
Variable Resistors
22K Ohm Preset Variable Resistor (Trimmer Potentiometer) (Pack of 5)
A 22K ohms preset (or variable resistor) offers adjustable resistance up to 22,000 ohms. It includes a dial or screw for manual adjustment, allowing for precise control of resistance values in electronic circuits. This component is useful for applications requiring fine-tuning, such as calibrating circuits, adjusting signal levels, and setting specific resistance values. Its moderate resistance range makes it suitable for tasks involving impedance matching, signal conditioning, and optimizing circuit performance.
SKU: preset-22k
