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LiitoKala Engineer Lii-500: The Ultimate Smart Battery Master
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🌈 Universal Compatibility: Supports a massive range of Li-ion, Ni-MH, and Ni-Cd battery sizes.
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⚡ Independent Control: Manage four separate slots with different settings at the same time.
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📊 Smart LCD Display: High-visibility screen shows voltage, current, time, and capacity.
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🔍 Advanced Test Mode: Accurately measures the actual capacity of your batteries.
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🛠️ Adjustable Current: Choose between multiple charging speeds to protect battery health.
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🔥 Heat Protection: Built-in sensors prevent overheating during high-speed cycles.
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🔋 USB Output: Functions as a portable power bank to charge your phone on the go.
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🛡️ Safety First: Features short-circuit, overcharge, and reverse polarity protection.
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🔄 Fast Test Mode: Quickly discharges and recharges to refresh your battery cells.
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💎 Durable Build: Robust engineering by LiitoKala for long-lasting laboratory-grade use.
₨ 4,800 -
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16 Meters Premium Multi-Color Heat Shrink Tube Kit – 1mm to 20mm Industrial Polyolefin Tubing – Flame Retardant & Waterproof Electrical Wire Sleeve Set
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📏 Massive 16-Meter Variety: A complete range of 8 sizes (1mm to 20mm), providing the ultimate toolkit for any wire diameter.
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🎨 4-Color Coding System: Includes Black, White, Blue, and Red to easily identify positive, negative, and data lines.
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🛡️ Industrial Grade Polyolefin: Engineered for superior mechanical protection and insulation in harsh conditions.
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🔥 Rapid 70°C Shrink Start: Low activation temperature allows for quick installation with a heat gun or standard lighter.
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🌊 Airtight & Waterproof: Shrinks down to form a protective barrier against liquids, dust, and environmental oxidation.
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🦾 Professional Strain Relief: Reinforces weak wire joints to prevent breakage and fatigue from repeated bending.
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⚡ High-Voltage Safe: Boasts a 15 kV/mm dielectric strength, making it reliable for sensitive electronics and power tools.
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🚫 Flame Retardant Safety: Self-extinguishing properties provide an essential layer of fire protection for your projects.
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🛠️ Multi-Use Versatility: Ideal for Automotive, Robotics, PC Modding, and Home Appliance repair work.
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📦 Clean & Organized Finish: Provides a sleek, professional look to bundle wires and tidy up messy cable looms.
₨ 750 -
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DC 370 MINI AIR PUMP | 3V-5V HIGH EFFICIENCY MOTOR
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⚡ WIDE VOLTAGE COMPATIBILITY: Operates smoothly between 3V to 5V DC.
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📏 ULTRA-COMPACT DESIGN: Sleek 5 x 2.7 cm dimensions for easy integration into any project.
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🔋 LOW POWER CONSUMPTION: Ideal for portable, battery-operated DIY kits.
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🛠️ DUAL-USE FUNCTIONALITY: Can be utilized for both Air Pressure and Vacuum applications.
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🏗️ ROBUST BUILD: Features a high-quality 370-grade motor for long-lasting durability.
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🌬️ STEADY AIRFLOW: Provides a reliable and consistent stream of air for aeration or suction.
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🔌 EASY INSTALLATION: Simple two-terminal connection for quick setup.
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🐟 VERSATILE APPLICATIONS: Perfect for aquariums, medical tools, and robotics.
₨ 200 -
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BTA16-600B | High-Power 16A Triac for Precision Control
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⚡ High Current Capacity: Handles up to 16A of RMS on-state current, perfect for heavy-duty power switching.
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🛡️ Internally Insulated Tab: Features an insulated TO-220AB package, allowing for direct mounting to heatsinks without extra mica washers.
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🔌 600V Blocking Voltage: Provides a robust 600V peak off-state voltage rating to safely manage standard AC mains.
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🎯 High Commutation Performance: Designed specifically for inductive loads, ensuring clean switching without the need for complex snubber circuits.
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🌡️ Superior Thermal Management: Low thermal resistance allows for efficient heat dissipation during prolonged high-power operation.
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📉 Low Gate Trigger Current: Responds accurately to low-level gate signals for precise micro-controller interfacing.
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🔄 Bidirectional Switching: Full four-quadrant triggering capability for versatile AC power control.
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🏗️ Durable TO-220 Package: Standardized industrial form factor ensures easy soldering and secure mechanical mounting.
₨ 48 -
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TL494 SOP-16 IC High-Performance PWM Controller for Precision Power Systems
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🌈 Complete PWM Circuitry: All functions for pulse-width modulation control are integrated on a single monolithic chip.
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🔄 Dual Output Modes: Supports both Single-Ended and Push-Pull operations, selectable via the output-control pin.
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🛡️ Dead-Time Control (DTC): Built-in adjustable dead-time provides a safe buffer to prevent power transistor overlap and damage.
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🧠 On-Chip Error Amplifiers: Includes two high-gain error amplifiers with a common-mode voltage range of $-0.3V$ to $V_{CC}-2V$.
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⏱️ Adjustable Oscillator: Features a programmable internal oscillator with frequency control via external $R$ and $C$ components.
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🛑 Double-Pulse Prevention: Internal flip-flop logic prevents double pulsing at the outputs during push-pull operation.
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🔗 Easy Synchronization: The architecture allows for simple synchronization with other ICs for multi-rail power systems.
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⚙️ Uncommitted Outputs: Dual output transistors can sink or source up to 200mA each, offering flexible drive options.
₨ 25 -
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DC 220V 75W High-Speed Motor | 15,000 RPM Ultra-Power
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🚀 BLISTERING VELOCITY: Achieves an incredible 15,000 RPM for high-efficiency, rapid-rotation tasks.
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💪 OPTIMIZED 75W OUTPUT: Provides a powerful 75 Watts of energy, perfect for consistent heavy-duty performance.
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🔌 HIGH-VOLTAGE READY: Designed specifically for DC 220V operation to suit specialized power systems.
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🔩 THREADED GEAR SHAFT: Includes a precision 13.7mm x 3.8mm threaded shaft for a secure, non-slip grip on attachments.
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📏 COMPACT FOOTPRINT: Ultra-versatile 5.9cm x 4cm dimensions allow it to fit into tight enclosures and handheld devices.
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🏗️ HEAVY-DUTY BUILD: Features a durable metal casing designed to protect internal components during high-intensity use.
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🌀 THERMAL MANAGEMENT: Equipped with front-facing ventilation ports to maximize airflow and prevent overheating.
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🔄 EASY CONNECTIVITY: Fitted with robust rear soldering terminals for quick and secure electrical installation.
₨ 495 -
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ARS-5612 DC 220V 100W High-Speed Motor | 15,000 RPM Ultra Power | Durable Permanent Magnet Motor for DIY, Industrial, & Domestic Appliances
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🚀 EXTREME VELOCITY: Reaches a staggering 15,000 RPM for maximum efficiency in high-speed tasks.
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💪 100W HIGH TORQUE: Delivers heavy-duty power output while maintaining a compact, space-saving profile.
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🔌 220V COMPATIBILITY: Optimized for DC 220V input, making it ideal for specialized power systems and conversions.
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🛠️ PRECISION SPLINED SHAFT: Features a 15mm x 5mm gear-style shaft for a non-slip, secure grip on pulleys and blades.
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❄️ CLASS H HEAT RESISTANCE: Rated for high temperatures, ensuring the motor stays safe during intense operation.
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🏗️ ALL-METAL CONSTRUCTION: Built with a high-strength casing to protect internal components from wear and impact.
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🌀 ADVANCED VENTILATION: Large cooling ports allow for maximum airflow to prevent overheating during peak performance.
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🔄 PERMANENT MAGNET TECH: Offers superior efficiency and reliable rotation compared to standard brushed motors.
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📏 COMPACT FOOTPRINT: Measuring just 7cm x 3.7cm, it fits perfectly into handheld devices and tight industrial enclosures.
₨ 620 -
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RS-755 High Torque 12V DC Motor | Professional 6000 RPM Ball Bearing Motor
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🚀 High-Velocity 6000 RPM: Delivers a powerful rotation speed of 6000 RPM, perfect for high-speed cutting, drilling, or blowing.
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💪 Maximum Torque Output: Specifically engineered as a High Torque model to drive heavy mechanical components with ease.
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🔵 Premium Ball Bearing Design: Equipped with a ball bearing for reduced noise, minimal heat buildup, and maximum durability.
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🔋 Steady 12V Performance: Optimized for standard 12V DC power supplies, making it compatible with car batteries and high-amp adapters.
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📏 Non-Slip D-Shaft: Features a 7.8mm x 5mm D-type shaft that ensures gears and pulleys lock on securely without spinning out.
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🏗️ Heavy-Duty Dimensions: A robust build measuring 6cm in length and 4.2cm in diameter, providing a solid foundation for industrial tasks.
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🌡️ Ventilated Metal Casing: Large cooling vents integrated into the metal housing allow for superior heat management during long run times.
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🛠️ Easy Mounting: Includes pre-threaded mounting holes on the front face for secure and stable installation in any chassis or bracket.
₨ 545 -
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High-Fidelity 650W Stereo Power Amplifier DIY Kit – Pro-Grade Dual Rail BJT Design
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🚀 Peak Output Power: 800 Watts Total (400W + 400W @ 4Ω Load).
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⚡ Operating Voltage: Dual Rail ±45V to ±70V DC (Symmetrical).
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🎸 Transistor Tech: Optimized for NPN/PNP Power Pairs (Class AB).
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🌈 Audio Fidelity: Ultra-low THD (Total Harmonic Distortion) for “Crystal Clear” highs.
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🛡️ Rugged Build: FR-4 Glass-Epoxy PCB with Extra-Thick Copper Paths.
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🎧 Channel Layout: True Stereo (Independent Left/Right inputs and outputs).
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🌡️ Thermal Design: Includes footprints for 0.47Ω 5W Emitter Resistors for heat stability.
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🎯 Versatility: Perfect for Subwoofers, Floor-standers, or Pro-Audio monitors.
₨ 360 -
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BT136 BT136-600E 600V 4A Triacs RAIL TRIAC TO-220
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🟢 400V PEAK VOLTAGE – Specifically engineered to safely handle high-voltage AC mains.
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⚡ 4A CONTINUOUS CURRENT – Capable of driving loads up to 4 Amps, perfect for household fans, lamps, and small heaters.
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💎 SENSITIVE GATE TRIGGER – Requires very little current to “turn on,” making it compatible with microcontrollers and low-power logic circuits.
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🌡️ TO-220 PACKAGE – Features a metal tab for easy heatsink attachment, ensuring stable performance even under heavy load.
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🚀 BILATERAL SWITCHING – Designed to conduct electricity in both directions, making it the ideal component for AC power control.
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🛠️ DIY VERSATILITY – A must-have for electronics hobbyists looking to bridge the gap between low-voltage sensors and high-voltage appliances.
₨ 45 -
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Dual USB Power Bank Module 5V 2.1A – DIY Battery Charger Board with LED Display
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Dual USB Output: Charge two devices simultaneously with dedicated $1\text{A}$ and $2.1\text{A}$ ports for standard and fast-speed charging.
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Smart LED Digital Display: Real-time battery percentage monitoring (0–100%) so you’re never caught with a dead battery.
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Dual Input Options: Supports both USB Type-C and Micro-USB charging cables for maximum compatibility.
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Compact & Durable: Slim PCB design ($T=1.0\text{mm}$) makes it easy to fit into 3D-printed cases or small enclosures.
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Advanced Safety Protection: Built-in overcharge, over-discharge, and short-circuit protection to keep your batteries and devices safe.
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Easy DIY Setup: Clearly marked B+ and B- soldering points for quick connection to 3.7V lithium battery cells.
₨ 220 -
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4000W AC Dimmer / Motor Speed Controller – 220V SCR Voltage Regulator
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⚡ High Power Capacity: Max 4000W (Resistive Load)
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🔄 Continuous Power: Up to 2500W
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🎚 Smooth Voltage Control: AC 10V – 220V
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🔌 Working Voltage: AC 220V
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🛡 Dual Capacitor Surge Protection
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🔥 High Efficiency: More than 90%
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🛠 Stable & Mature SCR Circuit Design
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💡 Ideal for Resistive Loads (Heaters, Bulbs, Heating Wire)
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🌀 Supports Most Single-Phase AC Motors (Not Guaranteed)
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📏 Compact Size: 85 × 55 × 38 mm
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🔩 6mm Knob Hole for Easy Installation
₨ 800 -