2.4 TFT LCD Sheild
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2.4-inch color TFT LCD display with clear visuals
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Integrated resistive touchscreen for user input
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Shield design — directly plugs into Arduino UNO
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No external wiring required for basic operation
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Supports graphics, text, images, and UI elements
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SD card slot for storing images and data (on supported versions)
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Compatible with widely available Arduino libraries
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Ideal for robotics, automation, and IoT interfaces
2200mAh 11.1V 25c lipo battery
2n3055
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High power NPN bipolar junction transistor (BJT)
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Capable of handling large collector currents
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Suitable for switching and linear amplification
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TO-3 metal package for efficient heat dissipation
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Proven reliability in industrial and DIY circuits
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Widely used in audio amplifiers and power regulators
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Compatible with standard heatsink mounting
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Long-standing industry-standard component
3 Pin wire to Board Connector with screw
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3-pin screw terminal for secure wire clamping
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Wire-to-board design for direct PCB mounting
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No soldering required for wire installation
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Reusable connection — easy to connect and disconnect
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Supports power and signal wiring
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Durable insulating housing for safety
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Suitable for prototypes and permanent installations
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Compact footprint for space-constrained designs
3 Pin wire to Board Connector with screw (L Shape)
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3-pin right-angle (L-shape) screw terminal design
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Wire-to-board connector for direct PCB mounting
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Side-entry wiring for low-profile installations
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No soldering required for wire connection
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Strong screw clamp for reliable electrical contact
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Reusable and easy to maintain
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Durable insulated housing for safety
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Ideal for tight enclosures and compact devices
3-29 Electrical Wire
3.2 TFT LCD Sheild
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Large 3.2-inch color TFT LCD display
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Integrated resistive touchscreen for user interaction
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Shield design for direct Arduino UNO compatibility
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Plug-and-play installation with no external wiring
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Supports graphics, text, icons, and UI elements
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Suitable for real-time data visualization
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Compatible with common Arduino display libraries
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Ideal for advanced robotics and automation interfaces
3.5 inch TFT Touch LCD Arduino
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Large 3.5-inch color TFT LCD display for improved readability
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Built-in resistive touchscreen for direct user interaction
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Designed for Arduino UNO compatibility
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Supports graphical interfaces, text, and real-time data display
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Bright LED backlight for clear visibility
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Ideal for complex menus and control panels
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Compatible with commonly available Arduino libraries
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Suitable for both prototyping and deployed systems
3.7V 18650 Li-ion Cell
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Rechargeable lithium-ion battery cell
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Nominal voltage of 3.7V for versatile applications
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High energy density in a compact cylindrical form
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Stable discharge characteristics
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Suitable for battery packs and standalone use
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Long service life with proper charging circuitry
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Lightweight compared to traditional batteries
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Widely compatible with holders and protection circuits
37 in 1 Sensor Kit
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Complete set of 37 commonly used sensor modules
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Compatible with Arduino and similar microcontroller boards
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Covers environmental, motion, sound, light, and touch sensing
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Ideal for learning, prototyping, and experimentation
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Prebuilt modules for easy integration
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Suitable for both digital and analog interfacing
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Reduces the need to purchase sensors individually
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Excellent educational toolkit for STEM learning
3D printer
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FDM (Fused Deposition Modeling) 3D printing technology
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High-precision printing for detailed parts
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Compatible with common filaments such as PLA and ABS
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Large build volume for versatile project sizes
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Heated print bed for improved adhesion (model dependent)
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User-friendly interface for beginners and professionals
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Suitable for rapid prototyping and functional parts
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Durable frame for stable printing performance
3S Li-ion Battery Charging Circuit
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Designed for 3-cell (3S) Li-ion battery packs
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Provides stable and balanced charging for all cells
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Built-in overcharge, overcurrent, and short-circuit protection
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Compact PCB design for easy integration into projects
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Supports standard charging voltages for Li-ion cells
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LED indicators for charging status (model dependent)
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Ideal for DIY, robotics, and portable electronics
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Compatible with common 18650 Li-ion cells
4 Channel 5v Relay
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4 independent relay channels for multiple device control
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Operates on 5V control voltage, compatible with Arduino, Raspberry Pi, and other microcontrollers
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Optocoupler isolation for safe operation
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LED indicators for each relay channel status
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Supports switching of AC and DC loads
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Compact PCB design for easy integration
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Screw terminals for secure wiring
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Can be used in automation, robotics, and DIY electronics
4-Digit Seven Segment Display
433 MHz RF Wireless Transmitter + Receiver Module XKFST
4n25 IC
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Opto-isolated transistor output for electrical isolation
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Compact 6-pin DIP package for easy PCB integration
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Compatible with TTL and CMOS logic levels
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High input-output isolation voltage for safe interfacing
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Fast switching response suitable for control applications
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Low input current requirement
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Widely used in signal isolation, switching, and microcontroller projects
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Stable operation across standard temperature ranges
4N35
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Provides opto-isolated transistor output for electrical isolation
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Compatible with TTL and CMOS logic levels
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Fast switching suitable for control and automation applications
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Compact 6-pin DIP package for easy PCB integration
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Low input current requirement
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High input-output isolation voltage for enhanced safety
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Stable operation across standard temperature ranges
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Widely used in electronics, robotics, and IoT projects
5v Stepper Motor
- 5 Line 4 phase can be driven by ordinary uln2003 chip can also be connected in phase 2 development board used for.
- supporting the use of a direct plug and easy to use stepper motor used in the development board.
- Stepper motor driver board with ULN2003
- A, B, C, D four-phase LED indicates the status of the stepper motor work
- Stepper motor with a standard interface, when used directly pluggable
5” Touch Screen LCD HDMI for Raspberry PI
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5-inch high-resolution LCD display with capacitive touch
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HDMI input for full video compatibility with Raspberry Pi
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Supports multi-touch gestures for intuitive control
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Compact and lightweight design for embedded projects
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Plug-and-play setup with Raspberry Pi (no additional drivers needed for standard models)
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Wide viewing angle for clear visuals in any setup
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Durable screen suitable for repeated touch usage
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Compatible with Raspberry Pi 4, 3B+, 3B, 2B, and other HDMI-enabled devices
7402 NOR Gate IC
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Quad 2-input NOR gates in a single 14-pin IC package
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TTL compatible for easy integration with standard logic circuits
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Low power consumption and stable operation
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Standard DIP-14 package for breadboards and PCBs
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High-speed switching suitable for digital applications
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Reliable and widely used in educational and professional electronics
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Compact design for easy circuit integration
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Suitable for DIY electronics, robotics, and logic control circuits