BC548 NPN Transistor (Pack of 5) A BC548 transistor is a negative-positive-negative (NPN) transistor that is used for many purposes. Together with other electronic components, such as resistors, coils, and capacitors, it can be used as the active component for switches and amplifiers. Like all other NPN transistors, this type has an emitter terminal, a base or control terminal, and a collector terminal. In a typical configuration, the current flowing from the base to the emitter controls the collector current. A short vertical line, which is the base, can indicate the transistor schematic for an NPN transistor, and the emitter, which is a diagonal line connecting to the base, is an arrowhead pointing away from the base. Read our blog explaining the bc 547 transistor pinout , which provides comprehensive information about the BC547 transistor, covering its basic knowledge, pin configuration, features, working states, circuit diagrams, and applications.

330 Ohm Resistor - (Pack of 10) The 330 ohm Carbon Film Resistors are typical axial-lead resistors, which have much better temperature stability and provide lower noise, and are generally better for high frequency or radiofrequency applications. A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses. Resistor Colour Codes:

UNO 21-in-1 Starter Kit compatible with Arduino This is a 21-in-1 Arduino starter kit based is validated on Arduino but other microcontrollers can be used as well. This UNO starter kit contains all the necessary electronic components to get started with the UNO board, Arduino, and embedded systems. All the sensors included in the kit are of good quality and are compatible with Arduino. The Arduino Starter kit will help you get started in the world of electronics and embedded system programming. This kit is aimed at beginners and intermediates and can be used to jump-start your growth and learning towards DIY electronics and embedded system. This Arduino starter kit is useful for students and hobbyists to test and prototype their electrical projects. Engineering students can buy UNO basic starter kits online to develop and build their final semester projects. Uno SMD : The Uno is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. Breadboard : A breadboard allows for easy and quick creation of temporary electronic circuits or to carry out experiments with circuit design. Battery cap : The Battery caps serve two purposes; they permit the checking and maintenance of water and acid levels and provide a vent for the escape of gases formed when the battery is charging. Resistor Box : The resistance box is an instrument for measuring and comparing electrical resistances. Capacitor : A capacitor is a passive two-terminal electrical component used to store energy electrostatically in an electric field. Jumper Wires : Male ends have a pin protruding and can plug into things, while female ends do not and are used to plug things into. Male-to-male jumper wires are the most common and what you likely will use most often. Transistor : A transistor is a device that regulates current or voltage flow and acts as a switch or gate for electronic signals Button Switch : A button switch is a type of switch which consists of a simple electric mechanism or air switch mechanism to turn something on or off. Buzzer : A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric (piezo for short). LDR : An LDR (Light Dependent Resistor) is a component that has a (variable) resistance that changes with the light intensity that falls upon it. This allows them to be used in light sensing circuits. Light Dependent Resistors (LDR) are also called photoresistors. SEVEN-SEGMENT DISPLAY : A seven-segment display is a set of seven bar-shaped LED (light-emitting diode) or LCD (liquid crystal display) elements, arranged to form a squared-off figure 8. A few seven-segment displays use other illumination devices, such as incandescent or gas-plasma ("neon") lamps. PIR Motion Sensor Module : PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, easy to use and don't wear out. PIRs are basically made of a pyroelectric sensor, which can detect levels of infrared radiation. 16X2 LCD MODULE : The 16x2 Alphanumeric LCD Display Module is equally popular among hobbyists and professionals for its affordable price and easy-to-use nature. As the name suggests the 16x2 Alphanumeric LCD can show 16 Columns and 2 Rows therefore a total of (16x2) 32 characters can be displayed. Each character can either be an alphabet or number or even a custom character. Check out our entire range of DIY Kits Compatible with Arduino Pinout for Arduino Uno Arduino Uno Pinouts Applications: Home Automation System Security System IoT based projects DIY Projects

Beginners Digital Electronics Kit The Beginners Digital Electronics kit consists of a plethora of logic gate ICs along with buttons and LEDs which can be used to give input to the gates and visualize their outputs. It is a Beginners level Electronic Components Starter kit that includes all essential components for DIY electronics projects. This kit includes everything you'll need to get started with your prototype projects. Led[Light-emitting diode]: LED is an abbreviation for light-emitting diode. LED lighting products use up to 90% less energy than incandescent light bulbs. An electrical current flows through a microchip, illuminating the tiny light sources known as LEDs, resulting in visible light. Breadboard: A breadboard (also known as a plug block) is used to create temporary circuits. It is beneficial to designers because it allows components to be easily removed and replaced. It is useful for someone who wants to build a circuit in order to demonstrate its operation and then reuse the components in another circuit. Breadboard Power Supply: The 3.3V/5V Breadboard Power Supply Module has a multi-purpose female USB socket as well as dual 5 V and 3.3 V power rails. The 3.3V/5V Breadboard Power Supply Module is designed to fit snugly into a standard 400 or 800 tie-point breadboard. Multimeter: ?A multimeter is a measuring device that can measure a variety of electrical properties. A typical multimeter can measure voltage, resistance, and current, and is also known as a volt-ohm-milliammeter (VOM) because it includes a voltmeter, an ammeter, and an ohmmeter. Resistor: A resistor is a component of an electronic circuit that limits or regulates the flow of electrical current. Resistors can also be used to supply a fixed voltage to an active device such as a transistor. IC [Integrated Circuit]: The IC [Integrated Circuit] is a small electronic device made of semiconductor material that contains many microscopic elements like diodes and transistors. Capacitors and resistors. Jumper Wire: A jumper wire is an electric wire used for connecting remote electric circuits on printed circuit boards. It is possible to short-circuit and short-cut (jump) to the electric circuit by connecting a jumper wire to the circuit. Hi-Watt 9V Battery: The most common and portable 9V battery is the Hi-Watt 9V Battery . It is non-rechargeable and provides a high-capacity, low-cost solution for a wide range of electronic devices. This battery provides a high-capacity and low-cost solution for a wide range of electronic devices. It is used in conjunction with its own battery snap . The battery clip can be used to power LEDs or other devices using a 9V battery. It's used in electronic toys, clocks, walkie-talkies, smoke alarms, hand-held test equipment, digital instruments, transistor radios, and other applications. Micro Pushbutton: The micro pushbutton is a small and inexpensive single pole single-through switch (SPST) that can be soldered on a printed circuit board (PCB). When pressed, this push button closes a circuit and is typically used as a reset button. Note : The package dimensions are 22x15cms and weigh about 50 grams. Applications: Can be used to build Half and full adders, Can be used to build Subtractors Can be used to build Flip flops It can also be used to build circuits that evaluate certain boolean expressions. Also check Basic Electronics Kit offered by ROBOCRAZE. The kit is designed for beginners and DIY electronics enthusiasts. It includes components such as resistors, capacitors, ICs, LEDs, multimeter, breadboard, and more, making it suitable for various electronic projects like Raspberry Pi, Arduino, ESP8266, ESP32, etc. Also check 15 Experiments Electronics Kit .  No soldering or tools are required. The kit includes a manual with step-by-step instructions. Some of the projects that can be built include a light-sensitive alarm clock.

7 Segment Led Display (Common Anode) 7 Segment Led Display (Common Anode), is a form of an electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. The Common Anode (CA) - In the common anode display, all of the LED segment anode connections are connected to logic "1." Individual segments are illuminated by applying a ground, logic "0" or "LOW" signal to the Cathode of the specific segment via a suitable current limiting resistor (a-g). Common anode displays are more popular in general because many logic circuits can sink more current than they can source. Also, a common cathode display is not a direct replacement in a circuit for a common anode display, and vice versa, because it is equivalent to connecting the LEDs in reverse, and thus no light emission occurs. The specific set of LEDs is forward biased depending on the decimal digit to be displayed. Seven-segment displays or ( 7 segment displays) are widely used in digital clocks, electronic meters, basic calculators, and other electronic devices that display numerical information. If you want to use 7 Segment Led Display in your Arduino project, then you will need a few components like breadboard , jumper wires , resistors , capacitors and transistors .

This is a basic component kit designed and curated by Iotcart. This component kit consists of resistors, capacitors, transistors, diodes, LED's, breadboard, wires, switch and other miscellaneous components that are essential for engineering projects. Why is a Basic Component Electronics Kit necessary? This is a collection of all the common and important electronic components that every electronics engineer needs for various projects. Without these essential equipments, you will not be able to test, prototype and run your project. This is more like a starter kit for electronic engineering projects. This component kit is designed and curated by our engineers keeping the needs of a enginnering student or a project enthusiast in mind. Note: Weight of the Package: 150grams (approx) and Dimensions (approx): 22 x 15 x 5cms Applications of this kit The Basic Component Kit is extremely versatile and can be used for various electronics projects requiring transistors, resistors, capacitors, diodes. It also be used to build independent circuits such as 555 timer based LED circuits. Sample Experiment Building a 555 timer based LED blinking circuit Material Required: Breadboard Power Supply 9V Battery DC Barrel Jack Breadboard 555 Timer Jumper Wires Procedure: The Blinking LED circuit uses a 555 timer in astable mode, which generates a continuous output in the form of a square wave at pin 3. This waveform will turn LED ON and OFF. The duration of ON/ OFF depends on the time cycle of the square wave. We can change the speed of blinking by changing the value of capacitance. The circuit diagram for the LED blink circuit is shown below: After you turn on the circuit, you should be able to see the LED blinking on and off periodically There are many applications of 555 timers, generally used in Lamp Dimmer, Wiper Speed control, Timer Switch, Variable duty cycle fixed frequency oscillator, PWM Modulation etc.

0.5mm FFC FPC Connector Breakout Board (40 Pin) -7Semi The 7Semi 0.5mm FFC FPC Connector Breakout Board (40 Pin) is a high-precision prototyping tool engineered for seamless integration of flexible flat cables (FFC) and flexible printed circuits (FPC) into your electronic projects. Featuring a 40-pin connector with a 0.5mm pitch, this breakout board is equipped with a front flip bottom contact surface-mount (SMT) connector that provides secure and reliable connections. Designed with double rows of 0.1-inch spaced holes, it fits perfectly with standard breadboards and perfboards. Clear pin labeling ensures quick and accurate circuit assembly, minimizing errors during development. Whether you're working on embedded systems, display modules, or custom PCB designs, this ffc connector breakout board offers efficient connectivity and dependable performance for both hobbyists and professionals. Features: Includes a 40-pin fpc breakout, 0.5mm pitch front flip bottom contact SMT connector for secure and sturdy connections. Features multiple rows of 0.1-inch spaced holes for simple interaction with breadboards and common prototyping tools. Each pin is clearly numbered to facilitate wiring and reduce errors in circuit assembly. Made from high-quality PCB material, ensuring longevity and efficient signal transmission. Include display modules, touchscreens, embedded systems, ribbon cable interfaces, and others. Created for both professionals and enthusiasts seeking a quick and effective FPC/FFC breakout solution.

AD8495 K-Type Analog Thermocouple Amplifier Breakout -7Semi The AD8495 K-Type Analog Thermocouple Amplifier Breakout by 7Semi is a high-performance module designed to simplify accurate temperature measurement using K-type thermocouples. Powered by the AD8495 precision instrumentation amplifier, this breakout board delivers a reliable analog output of 5 mV/°C, making it easy to interface with analog-to-digital converters or microcontrollers. It includes integrated cold junction compensation to ensure precise readings even with fluctuating ambient conditions. Operating on a wide voltage range of 2.7V to 36V, this compact and robust module is perfect for a wide array of applications, especially in industrial environments where accurate thermal monitoring and control are essential. Features: Optimized for K-Type Thermocouples: Provides precise temperature readings. Internal Cold Junction Compensation: Ensures consistent and reliable readings. Wide temperature range support: -250°C to +750°C with 5V power and -250°C to +410°C with 3.3V power. Easy Analog Output: With a simple calculation, you can quickly convert voltage to temperature. Durable and Versatile: Ideal for industrial, automotive, and consumer electronics applications.

7Semi AS7343 14-Ch Spectral Sensor Module The 7Semi AS7343 14-Ch Spectral Sensor Module is built around the advanced AS7343 spectral sensor, delivering accurate spectral data through 14 independent channels across the 350–1000 nm range. This wide coverage enables reliable color analysis, material classification, and ambient light calibration in embedded systems. With a 3.3 V I²C interface, onboard LED, interrupt support, and easy-to-use breakout layout, the module is designed for seamless integration into electronics, IoT, and research applications where precise spectral measurement is essential. Features: AS7343 spectral sensor with 14-channel light detection Wide spectral range: 350–1000 nm (UV to near-IR) Accurate color and spectral analysis capability 3.3 V I²C interface for easy microcontroller integration Onboard LED and interrupt pin support Compact breakout design with mounting holes Applications: Color measurement and spectrum analysis Ambient light sensing and calibration Material classification/sorting Optical spectroscopy for portable devices Agriculture, Health, and Wearable Monitoring Color calibration for displays and LEDs

7Semi BMP585 I2C Pressure Sensor Breakout Module The 7Semi BMP585 I2C Pressure Sensor Breakout Module is a high-precision sensor designed to measure atmospheric pressure with exceptional accuracy, covering a range of 300–1250 hPa. This BMP585 Pressure Sensor combines low power consumption with compact design, making it perfect for mobile devices, battery-powered systems, and IoT projects. With both I2C and SPI interface support, it can be easily integrated into various electronics projects, enabling applications such as altimetry, weather monitoring, indoor navigation, and environmental sensing. Its reliable performance ensures accurate readings in real-time, making it an essential component for makers and engineers seeking precise pressure measurement. Features: Exceptional pressure sensing resolution at 1/64 Pa and accuracy of ±0.5 hPa provide highly precise data. Wide Pressure and Temperature Range: Measures pressure from 30 to 125 kPa and temperature from -40°C to 85°C, ensuring versatility in a variety of applications. Flexible Data Communication: Compatible with both I2C (up to 1MHz) and SPI (up to 12MHz) protocols, allowing enabling easy integration into a variety of systems. Programmable features include variable oversampling, a FIFO buffer (stores up to 32 samples), low-pass filtering, and 6 bytes of user-programmable non-volatile memory. Energy-Efficient Operation: Provides five operational modes with minimal power usage (1.5µA in Deep Standby and 260µA peak during measurements). Compact Design: A small breakout board with pin spacing of 0.1" allows for simple soldering and connecting.