Quad 2-input OR gate IC - CD4071 The CD4071 2-input quad gates IC are monolithic complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement mode transistors. The CD4x Series CD4071 have equal source and sink current capabilities and conforms to the standard B series output drive. The devices also have buffered outputs which improve transfer characteristics by providing very high gain. All inputs are protected against static discharge with diodes to VDD and VSS. check out : CD4011 - Quad 2-Input NAND Gate IC Pinout: Pinout of CD4071 IC Pin Name Pin # Type Description VDD 14 Power Supply Voltage (+3 to +15V) GND 7 Power Ground (0V) A1 to A4 1, 5, 8, 12 Input Inputs A of the four OR gates B1 to B4 2, 6, 9, 13 Input Inputs B of the four OR gates Q1 to Q4 3, 4, 10, 11 Output Outputs from the four OR gates

Quad 2-Input Schmitt Trigger IC - 74HC132 The 74HC Series 74HC132 is a quad 2-input Schmitt trigger integrated circuit that is commonly used for signal conditioning and noise filtering. The Schmitt trigger input ensures that the IC's output switches cleanly and reliably in response to changes in the input signal. The 74HC132 contains four independent gates each of which performs the logic NAND function. Each input has hysteresis which increases the noise immunity and transforms a slowly changing input signal to a fast-changing, jitter-free output. Pinout: Pinout Of 74HC132 IC

Quad 3-State Buffer IC - 74HC126 The 74HC Series 74HC126 is a 14 Pin Quad 3-State Non-Inverting Buffer IC having 4 independent gates with 4.75V to 5.25V Operating Voltage and 8mA output current. When 3-states are enabled, the outputs exhibit the low impedance characteristics of a standard HC output with additional drive capability to permit the driving of bus lines without external resistors. When disabled, both the output transistors are turned OFF presenting a high-impedance state to the bus line. check out : Quad Tri-state Buffer IC - 74HC125 Pinout: Pinout Of 74HC126 IC

Quad NOR R-S Latch Tri-state IC - CD4043 The CD4x Series CD4043 IC is quad cross-coupled 3-STATE CMOS NOR latches These latch has a separate Q output and individual SET and RESET inputs. There is a common 3-STATE ENABLE input for all four latches. A logic “1” on the ENABLE input connects the latch states to the Q outputs. A logic “0” on the ENABLE input disconnects the latch states from the Q outputs resulting in an open circuit condition on the Q output. The 3-STATE feature allows common bussing of the outputs. Pinout: Pinout of CD4043 IC Applications: Multiple bus storage Strobed register Four bits of independent storage with output enable General digital logic

Quad Tri-state Buffer IC - 74HC125 The 74HC Series 74HC125 Quad tri state buffer IC contains four independent gates each of which performs a non-inverting buffer function. The outputs have the 3-STATE feature. When enabled, the outputs exhibit the low impedance characteristics of a standard LS output with additional drive capability to permit the driving of bus lines without external resistors. The Quad tri state buffer IC 74HC125 is a great choice for those looking to extend the capabilities of their projects’ circuits. This integrated circuit allows you to use up to four separate, bi-directional data buses with independent control signals without increasing board space or power consumption. With its three state logic outputs, it ensures maximum flexibility and efficiency in each application that requires signal buffering such as multiplexers/demultiplexers communications systems and bus switching applications. In addition, this product has very low power dissipation making it ideal for battery-operated devices while keeping your final design compact at the same time! This chip comes in an industry-standard 4-pin dual inline package (DIP) allowing easy integration into any project with minimal soldering needed on boards already designed using 5V CMOS technology standards. Furthermore, its wide operating temperature range capable of reaching up to -55°C (-67F), makes our tristate buffer the perfect solution when developing products for extreme climates such as freeze and require monitoring equipment outdoors or lab settings where extremely high temperatures are reached. The combination of these two features along with durability make this tri state buffer IC suitable for most extreme working conditions applications perfectly replacing discrete components used before! Pinout: Pinout of 74HC125 IC

Quadcopter DIY Drone Kit for Beginners Fly into the exciting world of drones with our Quadcopter DIY Drone Combo Kit. This full kit is designed to spark your interest and passion for crafting. Designed for beginners and DIY enthusiasts, this RC drone-making kit includes all of the necessary components to build your own copter. Explanation of each component included in the DIY Drone Kit for Beginners in more detail: F450 Frame: The F450 Frame is the main frame. It has a 450mm diameter and is strong yet lightweight, similar to the DJI frame. This frame was designed to withstand several crashes while maintaining a decent balance of strength and weight. The optimized frame design enables modification and extension with autopilot systems and DJI devices. 1000Kv BLDC Motor: This Quadcopter kit comprises four 1000Kv brushless DC (BLDC) motors. BLDC motors are commonly used in drones because of their high efficiency, low maintenance requirements, and superior power-to-weight ratio. The "Kv" rating denotes the motor's speed constant or the rotational speed per volt applied. ESC: The kit provides four Electronic Speed Controllers (ESCs), one for each motor. ESCs are essential for controlling the speed and direction of the motors. These brushless ESCs are pre-programmed from the factory, ensuring convenience and ease of use. 2-3 Cell Battery Charger: This is a battery charger that is compatible with 2-3 cell Lithium Polymer (LiPo) batteries. LiPo batteries are commonly used in drones due to their high energy density and lightweight properties. 2200 mAh Lipo Battery: The kit comes with a 2200mAh Lithium Polymer (LiPo) battery. LiPo batteries are commonly used in drones as they provide a high energy output for their weight, allowing for longer flight times. Fly Sky FS-CT6B 6ch 2.4GHz Transmitter & Receiver: The Fly Sky FS-CT6B is a 6-channel 2.4GHz transmitter and receiver system. The transmitter is used to control the quadcopter, and the receiver receives the signals from the transmitter and relays them to the flight controller. APM 2.8 Flight Controller (Without Compass): The Flight Controller is the brain of the quadcopter. It processes data from various sensors, such as gyroscopes and accelerometers, to stabilize the flight and maintain its orientation during flight. The APM 2.8 is a popular flight controller used in DIY drone projects. XT60 Male Connector: The XT60 Male Connector is used for connecting the LiPo battery to the power distribution board of the quadcopter. Propeller (2CW, 2CCW): The kit includes four propellers, with two clockwise (CW) and two counterclockwise (CCW) rotation propellers. The correct combination of CW and CCW propellers is essential for it to achieve stable flight. These components, when assembled together, form the basic structure and control system of the quadcopter, allowing you to build and customize your own drone for various applications. Explore other DIY Drone Kits Warning: Flying quadcopter platforms require a considerable amount of practice and skill. If not handled correctly, it can cause severe injury. Please read the flight controller manual carefully before starting. Please make sure that you remove the props before doing any calibration and/or configuration changes. Grab the various collections of DIY Drone Kits . Also check our drone spare parts collection, including motors, propellers, ESCs, frames, and various accessories. Note : The package weighs 1500 grams (approx) and Dimensions: 21 x 15 x 9cms (approx) Why Choose DIY Drone Kits? Gain hands-on experience and understand how drones work Learn about flight controllers, ESCs, motors, and wiring Customize frame size, motors, and sensors as per your needs Add advanced features like GPS, FPV, or obstacle avoidance Save money compared to pre-built drones of similar quality Upgrade or replace individual parts easily Simplify repairs and long-term maintenance Build confidence in drone troubleshooting and configuration Safety and Legal Guidelines for Flying a Drone in India Practice in open, obstacle-free areas away from people, trees, and power lines Use Beginner Mode to limit speed and altitude during initial flights Activate safety features like Return-to-Home (RTH), obstacle avoidance, and geofencing Always maintain visual line of sight with your drone while flying Avoid flying over crowds, roads, or public gatherings to prevent accidents Check DGCA drone regulations before every flight and avoid restricted or no-fly zones Fly below 120 meters (400 feet) in uncontrolled airspace as per Indian drone laws Register your drone and obtain UIN/UAOP (if applicable) through India’s Digital Sky platform Perform pre-flight checks on battery, propellers, and GPS connection for safety Respect privacy and local laws, and fly responsibly to promote safe drone culture in India Applications Engineering and STEM students – for academic projects, lab experiments, and practical learning Drone enthusiasts and hobbyists – for hands-on building, customization, and flight practice STEM and robotics competitions – for showcasing innovation and control systems Educators and trainers – for teaching drone technology, electronics, and coding Research and prototyping teams – for testing drone-based applications like mapping or surveillance Makers and innovators – for DIY exploration of UAV design and performance tuning How to Build Your Drone from with F450 Drone Kit

Quadcopter DIY Drone Combo Kit for Beginners The DIY drone kit for Beginners is a exceptional kit combines high-quality components, including a sturdy quad frame, powerful BLDC motors, efficient ESCs, and reliable propellers, to provide you with the ultimate drone-building experience. Kit Contains F450 Frame: The F450 drone frame is the main structure of the quadcopter. It is a DJI-type sturdy yet lightweight frame with a 450mm diameter. This frame is designed to be capable of surviving repeated crashes and offers a good balance between strength and weight. The optimized frame design allows for customization and expansion with autopilot systems and DJI gadgets, making it suitable for various projects and applications. 1000Kv BLDC Motor: This drone making kit includes four 1000Kv Brushless DC (BLDC) Motors . BLDC motors are widely used in drones due to their high efficiency, low maintenance, and better power-to-weight ratio. The "Kv" rating represents the motor's speed constant, indicating the motor's rotational speed per volt applied. ESC: The kit provides four Electronic Speed Controllers (ESCs), one for each motor. ESCs are essential for controlling the speed and direction of the motors. These brushless ESCs are pre-programmed from the factory, ensuring convenience and ease of use. 2-3 Cell Battery Charger: This is a battery charger that is compatible with 2-3 cell Lithium Polymer (LiPo) batteries. LiPo batteries are commonly used in drones due to their high energy density and lightweight properties. 2200 mAh Lipo Battery: The drone assembly kit comes with a 2200mAh Lithium Polymer (LiPo) battery. LiPo batteries are commonly used in drones as they provide a high energy output for their weight, allowing for longer flight times. FlySky FS-CT6B 6ch 2.4GHz Transmitter & Receiver: The FlySky FS-CT6B is a 6-channel 2.4GHz transmitter and receiver system. The transmitter is used to control the quadcopter, and the receiver receives the signals from the transmitter and relays them to the flight controller. KK2.1.5 Flight Controller: The KK2.1.5 Flight Controller is the brain of the quadcopter. It is responsible for stabilizing the drone during flight, maintaining stability, and processing the signals from the transmitter to control the motors. XT60 Male Connector: The XT60 Male Connector is used for connecting the LiPo battery to the power distribution board of the quadcopter. Propeller (2CW, 2CCW): The RC drone kit includes four propellers , with two clockwise (CW) and two counterclockwise (CCW) rotation propellers. The correct combination of CW and CCW propellers is essential for the quadcopter to achieve stable flight. These components, when assembled together, form the basic structure and control system of the quadcopter, allowing you to build and customize your own drone for various applications. Perfect for School and College Projects Whether you're a student or an enthusiast, this kit is ideal for school and college projects. It brings together all the necessary components in one place, making it a breeze to build your very own quadcopter. Unleash Your Creativity Building your own drone is an exhilarating experience, one that allows you to bring your imagination to life. Create stunning aerial videos, explore uncharted territories, and capture breathtaking moments from a whole new perspective. Warning: Please read the flight controller manual carefully before starting. Please make sure that you remove the props before doing any calibration and/or configuration changes. Note : The package weighs 1500 grams (approx) and Dimensions: 21 x 15 x 9cms (approx) Also check our DIY Drone Kits collection page , where you can check different drone kit price, availability and more. read our blog explaining drone building , which provides a comprehensive guide on constructing a quadcopter drone from scratch. How to Build Your Drone from Scratch in Just 50 Minutes

1045 CW CCW Quadcopter Propeller This is a set of 2 x 1045 Propellers. The set includes one clockwise rotating and one counter-clockwise rotating propeller with 2 x propeller shaft adapters. The adapters allow the drone propeller to be used with motors of different shaft diameters. This 1045 propeller can be used with brushless motors with an 800-2200 kV rating. With a low kV motor(800 - 1400 kV), this propeller offers smooth flights with longer flight times perfect for FPV and aerial photography. With a high kV motor (more than 1200 kV) this propeller offers fast flights perfect for acrobatic flights. This drone propeller can be used with our A2212 1000KV , 1400KV , 1800KV, and 2200kV motors and our 30A ESC . Note: Buy additional propellers than required on your multirotor as propellers are regularly broken during flight crashes Find the perfect Drone Parts for your next project! Features: Designed for drones and quadcopters Sturdy construction to withstand shock upon crash landing Best compatible motors: 800kv - 1100kv motors Recommended for a wheelbase of 550mm - 700mm Provides smooth flights with longer flight times for low kV motors Offers fast flights for acrobatic flights with high kV motors Designed for FPV and aerial photography Can be used with A2212 1000KV, 1400KV, 1800KV, and 2200kV motors and 30A ESC Browse our collection of durable drone propellers ! Applications: Suitable for various quadcopters and drones. Ideal for FPV (First Person View) applications. Can be used with specific motors such as A2212 1000KV, 1400KV, 1800KV, and 2200kV. Widely used in DIY drone projects and custom-built quadcopters. Offers versatility in adapting to motors with different shaft diameters, thanks to included propeller shaft adapters. The lightweight and sturdy construction make them suitable for both hobbyist and professional drone applications.

Quantum Tiny Linux Development Kit with SoM & Expansion Board – Allwinner H3-based Linux Dev Kit (Quad-core Cortex-A7 SoM) -Seeed Studio The Quantum Tiny Linux Development Kit is an ultra-compact and highly integrated Allwinner H3-based Linux dev kit (Quad-core Cortex-A7 SoM), offering a complete ARM-Linux system in a tiny 40mm x 35mm footprint. Powered by the Quad-core Cortex-A7 CPU and ARM Mali400 MP2 GPU, the kit includes CPU, DDR, and eMMC on a high-density 6-layer PCB, delivering stable and efficient performance. Its small form factor makes it one of the most compact single-board computers available, perfect for applications such as personal servers, intelligent voice assistants, and robotics development. The updated version features an improved antenna for enhanced wireless performance and an optimized PCB layout for better thermal and hardware management. The included Atom-N expansion board provides rich connectivity options, including SPI, I2C, UART, GPIO, Wi-Fi, Bluetooth, an IPS display, a microphone, an MPU6050 motion sensor (accelerometer and gyroscope), and four onboard buttons. The M.2 Key-A interface allows easy design of custom baseboards, expanding development possibilities for hobbyists, makers, and engineers. With its compact size, powerful processing, and extensive I/O capabilities, the Quantum Tiny Linux Dev Kit is ideal for rapid prototyping and embedded system projects. Features: Ultra-compact Linux SoM – 31mm x 22mm Quad-core Cortex-A7 System on Module for high integration in minimal space. Expansion board included – 40mm x 35mm board with rich peripherals: microphone, gyroscope, accelerometer, TFT display, and 4 buttons (GPIO-KEY, Uboot, Recovery, Reset). Complete ARM-Linux system – Integrated CPU, DDR, and eMMC for advanced development and stable performance. Customizable baseboard design – M.2 interface allows developers to design their own carrier boards easily. Wide application range – Suitable for personal servers, intelligent voice assistants, robotics projects, and other embedded solutions. Applications: Microcomputer Personal website server Programming learning such as Python Image processing Robotics Voice assistant Smart home hub Quantum Tiny Linux Development Kit Hardware Overview:

R300 Uart Interface Capacitive Fingerprint Module The R300 UART Interface Capacitive Fingerprint Module is a type of fingerprint sensor module that uses capacitive technology to scan and recognize fingerprints. The module is designed to be connected to a microcontroller or other host device through a UART (universal asynchronous receiver-transmitter) interface, which allows for communication between the module and the host device using serial communication protocols. The module can be used as a stand-alone fingerprint identification system thanks to a fingerprint sensor , a microcontroller, and a collection of communication and control circuits. The module has the ability to take and store fingerprints, compare them to a pre-registered database, and perform other fingerprint-related tasks. Security systems, access control systems, time and attendance monitoring systems, and other devices that demand fingerprint authentication frequently employ the R300 UART Interface Capacitive Fingerprint Module. Communication interface : UART. 1:N Identification (One-to-Many). 1:1 Verification (One-to-One). High speed fingerprint identification algorithm engine.