PAM 8403 Amplifier Module with Knob PAM8403 is a basic 5V input amplifier board that can drive two 3W + 3W stereo speakers. It’s a great option for anyone looking for a Class-D stereo audio amplifier with a tiny footprint. The user can get high-quality audio reproduction from a stereo input using this amplifier. It also has a unique function in that it can drive speakers directly from the output. . It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filter-less architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. This PAM8403 Amplifier module differs from the conventional PAM8403 Amplifier board in this module it allows us to have more control over the output provided by the IC. By control, we mean that this amplifier module board comes with a knob that allows you to adjust the output. The PAM8403 IC provides high-definition sound quality and highlights the benefits of digital chips. The circuit uses the most reasonable peripheral arrangement, and the power supply filter is increased to 470uf. read more : Types of Amplifiers with their Workings Note: Please make sure the power supply is not more than 5.5V and please don't do reverse polarity for "+" and "-", or else, it will burn the board. Applications: Bluetooth Stereo Audio hands free / headsets In robots that speak or generate sounds to indicate activities Portable Speakers LCD Monitors / TV Projectors Arduino or Raspberry Pi Game Machines Speaker Phones

PAM8403 Digital Power Amplifier The PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier , allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. You can power the pam8403 amplifier board 5v using your mobile charger or can be by a computer USB plug. You can use two speakers 3/5 watts on both sides L and R. And connect the Audio cord to the LTR portion. With the same number of external components, the efficiency of the PAM 8403 is much better than that of its Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. Note: Input audio should be via shielded wire for best performance. Use a proper filtered power supply with good filter capacitors. Take care not to short speaker wires else IC will get damaged. Make sure power supply never exceeds 5.5V else IC will get damaged. Use a regulated power supply. Applications: LCD Monitors / TV Projectors Notebook Computers Portable Speakers Portable DVD Players, Game Machines Cellular Phones/Speaker Phones Also check the 5V DC Mini Class D Pam8403 USB Power Amplifier Board available on Iotcart. It is a 3W, class-D audio amplifier with low Total Harmonic Distortion plus Noise (THD+N), enabling high-quality sound reproduction. The filterless architecture allows it to drive the speaker directly, eliminating the need for low-pass output filters and reducing system cost and PCB area. The amplifier operates on a 5V power supply and is designed for Bluetooth audio receiver module dedicated interfaces.

PAM8610 Digital Amplifier Board This amplifier plate adopts the official standard circuit design. Chip selection used is the United States' imported Long Ding micro class D power amplifier chip. The PAM 8610 is a 15W (per channel) stereo Class-D audio amplifier with DC Volume Control which offers low THD+N (0.1%), low EMI, and good PSRR thus high-quality sound reproduction. The 32 steps DC volume control has a +32dB to -75dB range. The PAM 8610 runs on a 7V to 15V supply at a much higher efficiency than competitors’ ICs. The PAM8610 amplifier only requires very few external components, significantly saving cost and board space. This 2x15W Two-Channel Stereo Class-D Amplifier is available in a 40pin QFN 6 x 6 mm package. The power amplifier has a high efficiency, large power, in the case of 12V power supply and can provide an output 10W + 10W power.Also has overheat and over-current protection functions. PAM8610 Digital Amplifier Board Pinouts: Note: The power supply voltage limit is 16.5V, do not use more than this voltage. The power supply is recommended for 12v, 3A power supply filter better. 4-8 inch stereo speakers recommended. Do not short-circuit the audio output to each other or shorted to ground. Carefully check before electricity, ensure the wiring is correct before electricity. Applications: Portable Audio Player Mini Speaker Control System Music Systems Radio or TV Power Amplifier

Piergiacomi Lead Cutter TRE-03-NB Piergiacomi Lead Cutter TRE-03-NB is designed for precision assembly of delicate, complex electronic work. Soft-touch grip ensures long and comfortable work. It is recommend to cut copper & soft lead wires. These soft grip angled bladed flush cutters are also perfect for cutting the legs from soldered components. Italian made electronic side cutters . It has a nice feel in the hand with the rubberized handles. Also not so easily lost in the workshop with the bright orange handles. They are used day in and day out snipping component legs such as capacitors and the snips give a clean flush cut. You will be impressed with the look and feel of this tool for the range Applications: Electronics Work Computers Assemblies PCB assemblies

Plastic Gears (5 Types) 5Types plastic gears. These gears are incredibly useful – they can be used to create custom gearboxes to transfer motion, change output shaft speed, increase torque, and any number of other gear-like functions. Different types of gears have different purposes and this kit has a great assortment of regular gears These gears are used in laboratories, science education, DIY models, and RC-airplane/helicopter repair, as well as many household repairs like old music systems, etc. it's a great toolkit for promoting DIY abilities, improving children’s, and teen’s hands-on skills and divergent thinking. Today, plastic gears are among the most versatile components of any robotics or automation system. Plastic gear is extremely reliable and cost-effective to use in applications where high performance, accuracy and noise control are critical such as: Robotics, Automation systems, Electrical Motors etc. It helps reduce friction between working parts ensuring smooth operation with minimal wear. The right combination of materials gives a good stress bearing capacity making it suitable for prolonged use in extreme temperatures and conditions like corrosion resistance in harsh environment due to its nonmetallic composition . Available at affordable prices from Iotcart our range of 5 types of different sizes give you more flexibility when selecting design material that best suits your requirement without compromising on strength or durability factor. Get your hands on them now! Application: They are used to reverse the direction of rotation, for example when selecting reverse in your car. Gears are also used to transfer rotational motion to a different axis. Gears are used to alter the speed of rotation which in the same way can be used to alter the end turning force or torque available.

Pludo 2-Way Car Circuit Kit- Science Kit Energy Transformation Model for Grades 6-7 | Ages 11-12 The Pludo 2-Way Car Circuit Kit is an interactive STEM science learning model designed for students in Grades 6–7 (ages 11–12) that combines hands-on assembly with core physics principles. This educational kit enables learners to build and experiment with a 2-way electric car circuit, illustrating how electrical energy from a power source transforms into mechanical motion to make the car move in two directions, helping students grasp key concepts of energy transformation, basic circuitry, and motion mechanics. Through guided construction and exploration, young learners strengthen their understanding of how circuits work, how energy flows through components like motors and switches, and how that energy conversion produces real motion—making abstract science topics tangible, engaging, and suitable for classroom projects, science fairs, or at-home STEM activities. What Your Child Will Learn: The Pludo 2-Way Car Circuit Kit turns classroom physics into an exciting hands-on experience. By building and testing a working two-direction electric car, students explore how electrical energy transforms into mechanical motion — making complex science concepts clear, practical, and memorable. Understand how electrical energy converts into mechanical energy to create motion. Learn the fundamentals of electric circuits, including power sources, switches, and motors. Explore how current flows through components to control direction and movement. Discover how reversing connections allows the car to move in two different directions. Strengthen logical thinking and technical confidence through guided assembly. This kit bridges theory and real-world application — helping students see physics in action. Educational Outcomes: Energy Transformation Mastery: Clear understanding of how energy changes forms from electrical to mechanical. Circuit Fundamentals: Practical knowledge of basic circuitry, current flow, and switching mechanisms. Applied Physics Learning: Reinforces Grade 6–7 curriculum concepts through hands-on experimentation. Problem-Solving Skills: Encourages troubleshooting, logical reasoning, and systematic thinking. STEM Confidence: Builds curiosity and deeper engagement with science and engineering concepts. Project Readiness: Ideal for science fairs, classroom demonstrations, and experiential learning assignments. Features: Interactive 2-Way Circuit Model: Build a functional electric car that moves forward and backward using circuit direction control. Hands-On Energy Transformation Learning: Demonstrates real-time conversion of electrical energy into mechanical motion. Curriculum-Aligned STEM Kit: Designed for Grades 6–7 (Ages 11–12) to support middle school physics concepts. Complete DIY Assembly Kit: Includes all required components for constructing and testing the working model. Guided Learning Experience: Step-by-step instructions help students confidently build and experiment. Durable & Student-Safe Materials: Made for repeated classroom or at-home STEM use. Perfect for Projects & Science Fairs: Encourages presentation, experimentation, and practical demonstration of concepts.

Pludo Air Magic STEM Kit – DIY Science Toy for Kids 3–5 | Mont-2 Bernoulli’s Law Learning Activity The Pludo Air Magic STEM Kit is a fun and educational science toy designed for young learners aged 3-5. Inspired by Bernoulli’s Law, this hands-on kit helps children explore the concept of air pressure and motion through exciting, real-world experiments. The kit demonstrates Bernoulli’s Principle, where fast-moving air creates low pressure. As air flows under the ball, pressure differences lift it upward, showing how airflow creates lift like an airplane. Perfect for preschool and early grade students, it encourages curiosity, observation, and practical learning. Ideal for classroom activities or home experiments, this learning kit promotes early STEM understanding while making science enjoyable. It also makes a thoughtful choice for school toys and birthday gifts that blend fun with education. What Your Child Will Learn: Discover how air pressure and airflow cause objects to float and spin. Strengthen hand–eye coordination, focus, and motor skills through active play. Build early scientific curiosity as children experiment with cause and effect. Encourage creativity and imagination as they explore how air interacts with objects. Make early STEM foundations fun and memorable for little learners. Educational Outcomes: Air Pressure & Motion: Understand the basics of how moving air creates lift, an early exposure to Bernoulli’s Principle. Observation & Inquiry: Develop curiosity by observing how the ball rises, falls, and spins. Critical Thinking: Learn to ask questions and predict outcomes during play-based experiments. STEM Readiness: Prepare young learners for future science concepts through age-appropriate hands-on exploration. Early Skill Development: Improve focus, coordination, and problem-solving through interactive learning. Did You Know? Children grasp scientific ideas faster when they can see and feel them — making hands-on airflow experiments perfect for early learners! Features Age-Appropriate Learning: Designed for kids aged 3–8 years (Preschool to Grade 2) as per NEP 2020 guidelines. DIY Science Toy: Introduces children to Bernoulli’s Principle through an engaging air experiment where the ball floats and spins, making science fun and interactive. Educational Value: Promotes curiosity, observation, and an early understanding of air pressure and motion concepts. Safe & Engaging: Made from durable, child-safe materials; ideal for classroom activities or guided home learning under adult/STEM tutor supervision. Perfect Gift for Young Learners: A creative educational gift that blends fun and learning-perfect for birthdays, school fairs, or early science projects. Encourages Practical Learning: Enhances hand–eye coordination, focus, and critical thinking as children explore science through play.

Pludo BitWise Educational Kit – Binary Learning DIY STEM Kit for Ages 11–14 | Grade 6 to 8 Introduce children to the world of numbers and digital logic with the Pludo BitWise Educational Kit – Binary Learning STEM Kit. Designed for ages 11–14 (Grade 6–8), this hands-on kids' learning toy makes understanding binary numbers and basic computing concepts fun and interactive. Through assembling and experimenting with the kit, students gain a solid foundation in math, logic, and problem-solving skills. Turn the handle to flip panels between 0 and 1, introducing the basics of binary counting. By combining these states, learners visually understand how binary numbers form decimal values. This educational kit encourages curiosity and practical learning by allowing children to visualize binary operations in a playful way. Ideal as a school toy or learning kit for classrooms, STEM workshops, or at-home experiments, it promotes analytical thinking and builds confidence in math concepts. A perfect math toy that blends education with entertainment, inspiring a love for numbers and technology. What Your Child Will Learn Learn how binary code (0s and 1s) represents numbers, letters, and commands in computers. Develop a strong understanding of logical reasoning and problem-solving through experimentation. Strengthen mathematical thinking while decoding patterns and performing binary operations. Encourage curiosity about technology, digital logic, and how computers think. Build confidence through hands-on exploration that transforms learning into discovery. Educational Outcomes Binary Number System: Understand how computers use binary to process information and perform calculations. Math & Logic Skills: Enhance logical reasoning and numeric understanding through fun, applied learning. Critical Thinking: Practice analyzing patterns, making predictions, and solving logical problems. STEM Readiness: Build a foundation in computational thinking, essential for future technology learning. Confidence in Learning: Encourages experimentation and independent discovery in a stress-free environment. 💡 Did You Know? All digital data from photos to games is made up of just two digits: 0 and 1! Features: Hands-on educational kit that teaches binary numbers and basic computing concepts. Helps children understand math, logic, and problem-solving in a fun, engaging way. Encourages critical thinking and analytical skills through guided experiments. Easy-to-assemble components, ideal for both independent and classroom learning. Perfect for STEM workshops, school projects, or home-based learning. Promotes curiosity, creativity, and confidence in understanding digital logic. Compact and durable design for repeated use and long-term practice. Suitable for children aged 11–14 (Grade 6–8) who love math, science, and coding concepts.

Pludo Build-Your-Own Motor Kit - Electromagnetic Force Interaction Science Toy for Grades 6-7 | Ages 11-12 The Pludo Build-Your-Own Motor Kit – Electromagnetic Force Interaction Science Toy is an engaging DIY educational STEM kit designed to help students aged 11–12 (Grades 6–7) explore the core principles of electromagnetism, electric motors, and motion. By assembling the included motor snap modules and electrical components, young learners can construct a working electric motor that demonstrates how electric current and magnetic fields interact to produce rotational force, offering a hands-on way to see how electrical energy is converted into mechanical movement. The kit’s snap-together modules and guided instructions make it easy to build and experiment safely without soldering or advanced tools, encouraging curiosity, problem-solving, and foundational understanding of physics and engineering concepts through practical play and experimentation. What Your Child Will Learn: The Pludo Build-Your-Own Motor Kit gives students the exciting opportunity to construct a real working electric motor and witness electromagnetism in action. Through hands-on assembly, learners explore how electric current and magnetic fields interact to create rotational motion — turning textbook theory into visible, dynamic movement. Understand how electromagnetic force produces motion. Learn how electric current interacts with magnetic fields to generate rotational force. Explore the concept of energy conversion from electrical energy to mechanical movement. Discover how electric motors power everyday devices. Strengthen analytical thinking through structured building and experimentation. This kit transforms abstract physics concepts into practical, memorable learning experiences. Educational Outcomes: Electromagnetism Fundamentals: Clear understanding of magnetic fields, electric current, and force interaction. Energy Conversion Concepts: Reinforces how electrical energy transforms into mechanical motion. Circuit & Motor Mechanics Knowledge: Builds familiarity with motor components and basic electrical systems. Engineering Mindset Development: Encourages logical reasoning, troubleshooting, and systematic experimentation. Curriculum Support: Aligns with Grade 6–7 science topics in physics and engineering fundamentals. STEM Confidence: Inspires curiosity and deeper interest in science and technology careers. Features: Hands-On Motor Assembly Kit: Build a fully functional electric motor using easy snap-together modules. No Soldering Required: Safe, tool-free construction designed for young learners. Interactive Electromagnetism Model: Demonstrates real-time interaction between current and magnetic fields. Curriculum-Aligned Design: Perfect for Grades 6–7 (Ages 11–12) learning objectives. Guided Step-by-Step Manual: Clear instructions make assembly simple and engaging. Durable & Student-Safe Materials: Built for repeated classroom demonstrations or home experiments. Ideal for Projects & Science Fairs: A powerful visual model for presenting physics concepts.

Pludo Cable Bridge DIY Kit – Learn Force & Tension Through Bridge Building for Ages 8–11 | Grade 3–5 Discover the world of engineering with the Pludo Cable Bridge DIY Kit, an exciting hands-on learning experience designed for young innovators. This educational kit introduces children to the principles of force, tension, and structural design through a fun cable bridge-building activity. As kids assemble the bridge step by step, they explore how real-world engineering structures work while strengthening creativity, logical thinking, focus, and problem-solving skills. The kit demonstrates the concept of tension using a suspension-style bridge model. Tight cables or chains hold the bridge planks in place and distribute applied force evenly across the structure. This shows how tension in cables carries load and maintains stability, just like in real suspension bridges. Perfect for curious minds aged 8–11 years (Grade 3–5), this science experiment kit encourages interactive learning while improving focus, coordination, and logical thinking. Made from eco-friendly, durable materials, it ensures a safe and engaging experience for every young builder. Ideal for home learning, school projects, or group activities, this educational toy transforms playtime into a rewarding journey of discovery. What Your Child Will Learn Learn how tension and compression keep bridges strong and balanced. Understand how forces interact in structures through guided building. Strengthen fine motor skills, focus, and problem-solving while assembling the model. Encourage curiosity and creativity through practical, project-based learning. Experience the joy of building a real working cable bridge powered by imagination and science. Educational Outcomes Engineering Concepts: Understand the basic principles of tension, force distribution, and load-bearing structures. STEM Skills: Develop a foundation in mechanical design and civil engineering through hands-on assembly. Critical Thinking: Enhance reasoning and analytical abilities by experimenting with structural stability. Creativity & Design Thinking: Apply imagination to modify and strengthen bridge designs. Fine Motor Development: Build precision, patience, and attention to detail during construction. 💡 Did You Know? The same principles used in this kit are applied in designing real-world cable bridges like the Golden Gate Bridge! Features: Hands-on DIY science kit teaching tension, force, and bridge engineering. Encourages creativity, problem-solving, and structural understanding through play. Includes all components to build a working cable bridge model. Made from safe, eco-friendly, and durable materials for worry-free use. Helps children build fine motor skills, focus, and critical thinking. Designed for ages 8–11 years (Grade 3–5) following NEP 2020 learning standards. Comes with a detailed instruction manual for guided and easy assembly. A perfect educational gift for young science lovers and budding engineers.