• Digital DC Watt Meter and Power Analyzer 60V and 100A.

    Technical Specifications
    • Voltage Range: 0 – 60V (Resolution 0.01V).
    • Current Range: 0 – 100A peak (Resolution 0.01A).
    • Power Range: 0 – 6554W (Resolution 0.1W).
    • Charge/Energy Range: 0 – 65Ah / 0 – 6554Wh.
    • Power Consumption: Ultra-low 7mA.

    800.00৳ 1,000.00৳  20% off
  • DWKC-2021 DIGITAL CALIPERS 150mm 6inch LCD Digital Electronic Carbon Fiber Vernier Caliper Gauge Micrometer

    DWKC-2021 DIGITAL CALIPERS 150mm 6inch LCD Digital Electronic Carbon Fiber

    This is a product description for a Carbon Fiber Composites Digital Caliper. The caliper is made of a lightweight and durable carbon fiber composite material. It features a large HD digital screen for easy reading and can measure in both millimeters and inches.
    The key features of this digital caliper include:
    • Four-way measurement: It can be used for measuring inner diameter, outer diameter, depth, and step. 
    • Unit conversion: The device allows for easy switching between millimeter and inch units. 
    • Zero setting: It has a zero-setting function that allows the user to reset the measurement at any point. 
    • Power: It is powered by a 1.5V battery, such as an SR44 or LR44. 
    • Resolution and Accuracy: The resolution is 0.1mm or 0.01 inches, and the accuracy is ±0.2mm or 0.01 inches. 
      Description of a Carbon Fiber Composites Digital Caliper
      This is an electronic digital caliper made from carbon fiber composites, a material known for being lightweight yet durable. The caliper is a precision instrument designed for taking accurate measurements of objects. 

      Key Features:

      • Four-Way Measurement: It can measure outside diameter, inside diameter, depth, and step distance.
      • Digital Display: A large LCD screen provides clear and easy-to-read measurements, eliminating the need to interpret traditional vernier scales.
      • Unit Conversion: The device has a “Unit conversion” or “mm/inch” button that allows for a quick switch between millimeters and inches.
      • Zero Setting: The “ZERO” button lets you set the display to zero at any point, which is useful for taking differential or comparative measurements.
      • Automatic On/Off: The caliper automatically turns on when the slide is moved and turns off after a period of inactivity to conserve battery life.
      • Power: It is powered by a 1.5V SR44/LR44 button battery.
      • Specifications: It has a typical measuring range of 0-150 mm (0-6 inches), with a resolution of 0.1mm/0.01 inches and an accuracy of ±0.1mm/0.01 inches. 

      Applications:


    • This type of digital caliper is widely used for a broad range of applications, including industrial, automotive, and DIY projects. It is particularly useful in environments where quick and accurate measurements are necessary. 
    500.00৳ 1,800.00৳  72% off
  • E12-1000 Fully Automatic DC-to-AC Power Inverter (1000W)

    The E12-1000 Fully Automatic Power Inverter converts 12V DC battery power into 220V AC household electricity, delivering up to 1000W of peak power. It is the ideal emergency backup solution for running essential home appliances or electronics during power outages and outdoor trips [Image 4].
    Key Highlights
    • 1000W Peak Output: Supports a continuous operational load of 500W to 700W [Image 3].
    • High Efficiency: Delivers over 90% energy conversion efficiency to maximize battery runtime [Image 2, Image 5].
    • Modified Sine Wave: Safely runs LED TVs, fans, laptops, Wi-Fi routers, and LED lights [Image 1, Image 5].
    • Automatic Protection: Features built-in safeguards against overloads, short-circuits, and overheating [Image 2].
    • Smart Cooling System: Equipped with an automated thermal fan that activates under high loads [Image 5].
    • Universal 12V Input: Works seamlessly with car, solar, marine, and standard lead-acid batteries [Image 1, Image 5].

    If you need to optimize this text further, let me know if it is for a social media post, a website bullet-point summary, or a printed retail label.
    1,150.00৳ 1,300.00৳  12% off
  • Electric Soldering Iron Coil 40W Ceramic Heating Element Internal Heated Ceramic Core

    Product Description

    Electric Soldering Iron Coil 40W Ceramic Heating Element Internal Heated Ceramic Core

    • Function: This component serves as the heating core for an electric soldering iron, providing rapid and constant temperature heating.
    • Material: The core is made of ceramic, which offers good insulation and resistance to corrosion, oxidation, and high temperatures. Electric Soldering Iron Coil 40W Ceramic Heating Element Internal Heated Ceramic Core
    • Features:
      • Heats up rapidly with high thermal efficiency. 
      • Provides stable soldering temperature. 
      • Designed with good insulation and anti-static properties to prevent electrical leakage. 
      • Offers a long service life. 
    • Specifications: Common specifications for this type of heating element include a power rating of 20W and an input voltage of 220V. 
    70.00৳ 80.00৳  13% off
  • ESP8266 NodeMCU V3

    The ESP8266 NodeMCU V3 is a compact, open-source development board designed for Internet of Things (IoT) projects. It features integrated 2.4GHz Wi-Fi, a powerful 32-bit microcontroller, and a built-in CH340G USB interface for easy programming and power.
    Quick Specs
    • Connectivity: Built-in Wi-Fi (802.11 b/g/n).
    • Memory: 4MB Flash / 128KB RAM.
    • I/O: 17 GPIO pins, 1 Analog input (ADC), and support for SPI, I2C, and UART.
    • Programming: Fully compatible with Arduino IDE, MicroPython, and Lua.
    • Design: Breadboard-friendly pins for fast prototyping.
    It is the go-to choice for building low-cost smart home devices, wireless sensors, and web-connected electronics.
    Would you like the driver download link for the CH340 chip?
    450.00৳ 500.00৳  10% off

    ESP8266 NodeMCU V3

    450.00৳ 500.00৳  10% off
  • Fielect 130 DC motor,

    The Fielect 130 Dual Shaft DC Motor is a high-speed miniature motor designed for hobbyist electronics and DIY robotics. Its standout feature is a dual-ended shaft, allowing you to power two separate components (like two wheels or propellers) from a single motor.
    • Voltage: 1.5V – 6V (Rated 3V)
    • Speed: ~11,000 RPM at 3V
    • Shaft Size: 2mm Diameter
    • Best For: DIY toys, RC boats, science projects, and small robotic cars.
    Do you need help choosing a compatible battery pack or wheels for this motor?
    The Fielect 130 Dual Shaft DC Motor is a high-speed miniature motor designed for hobbyist electronics and DIY robotics. Its standout feature is a dual-ended shaft, allowing you to power two separate components (like two wheels or propellers) from a single motor.
    • Voltage: 1.5V – 6V (Rated 3V)
    • Speed: ~11,000 RPM at 3V
    • Shaft Size: 2mm Diameter
    • Best For: DIY toys, RC boats, science projects, and small robotic cars.
    Do you need help choosing a compatible battery pack or wheels for this motor?
    The Fielect 130 Dual Shaft DC Motor is a high-speed miniature motor designed for hobbyist electronics and DIY robotics. Its standout feature is a dual-ended shaft, allowing you to power two separate components (like two wheels or propellers) from a single motor.
    • Voltage: 1.5V – 6V (Rated 3V)
    • Speed: ~11,000 RPM at 3V
    • Shaft Size: 2mm Diameter
    • Best For: DIY toys, RC boats, science projects, and small robotic cars.
    Do you need help choosing a compatible battery pack or wheels for this motor?
    The Fielect 130 Dual Shaft DC Motor is a high-speed miniature motor designed for hobbyist electronics and DIY robotics. Its standout feature is a dual-ended shaft, allowing you to power two separate components (like two wheels or propellers) from a single motor.
    • Voltage: 1.5V – 6V (Rated 3V)
    • Speed: ~11,000 RPM at 3V
    • Shaft Size: 2mm Diameter
    • Best For: DIY toys, RC boats, science projects, and small robotic cars.
    Do you need help choosing a compatible battery pack or wheels for this motor?
    The Fielect 130 Dual Shaft DC Motor is a high-speed miniature motor designed for hobbyist electronics and DIY robotics. Its standout feature is a dual-ended shaft, allowing you to power two separate components (like two wheels or propellers) from a single motor.
    • Voltage: 1.5V – 6V (Rated 3V)
    • Speed: ~11,000 RPM at 3V
    • Shaft Size: 2mm Diameter
    • Best For: DIY toys, RC boats, science projects, and small robotic cars.
    Do you need help choosing a compatible battery pack or wheels for this motor
    20.00৳ 40.00৳ 

    Fielect 130 DC motor,

    20.00৳ 40.00৳ 
  • Fielect R140 Micro DC Motor

    This is a Fielect R140 Micro DC Motor, a high-speed, compact motor designed for DIY hobbyist projects and small electronics.
    Short Description
    • Voltage: 1.5V – 6V DC
    • Speed: 5,000 – 20,000 RPM (High-speed)
    • Dimensions: 21mm (D) x 25mm (L)
    • Shaft Size: 2mm (D) x 8.5mm (L) Round Shaft
    • Key Features: Low noise, high precision, and durable metal construction.
    • Best For: RC toys (cars, boats, planes), mini fans, and school STEM projects.
    Do you need to know the current draw or wiring instructions for this motor?
    20.00৳ 30.00৳  33% off

    Fielect R140 Micro DC Motor

    20.00৳ 30.00৳  33% off
  • flexible shaft coupler,

    This is a flexible helical shaft coupler, a precision hardware component used to connect two rotating shafts (like a motor and a lead screw).
    Key Features
    • Vibration Damping: The spiral “helical” cut allows the coupler to act as a spring, absorbing vibrations and reducing mechanical noise.
    • Misalignment Correction: It compensates for slight angular and parallel offsets between shafts, preventing damage to motor bearings.
    • Zero Backlash: Its one-piece aluminum construction ensures accurate motion transmission with no “play” or lost motion.
    • Lightweight & Durable: Made from high-grade aluminum, it is corrosion-resistant and maintenance-free.
    Common Uses
    • 3D Printers: Most commonly used on the Z-axis to connect stepper motors to lead screws.
    • CNC Machines: Used for connecting encoders and motors to driving shafts.
    • Robotics: General-purpose motion transfer in DIY electronics projects.
    Standard Dimensions: Typically 19mm in diameter and 25mm long (D19L25), with common bore sizes like 5mm x 5mm or 5mm x 8mm.
    Would you like to know which bore size you need for a specific motor?
    200.00৳ 250.00৳  20% off

    flexible shaft coupler,

    200.00৳ 250.00৳  20% off
  • GAiPHAO 2912 fan circuit

    Gaiphao 2912 Fan Circuit
    • Product Type: AC/DC rechargeable emergency fan and light control PCB [1581071631].
    • Voltage Rating: 6V to 7.8V DC battery operating systems [446205513, 530342386].
    • Control Interface: 3 on-board multi-position slide switches for speed and light adjustment.
    • Visual Telemetry: Dual Red/Green LED status indicators for active charging cycles.
    • Safety Protection: Integrated surge control glass fuse and 1N4007 reverse-current diodes [1581071631].
    • Common Use: Drop-in replacement part for fixing Defender, Sunca, and Walton charger fans [338997751].
    Are you planning to install this replacement circuit or troubleshoot an existing fan? Let me know so I can provide the wiring layout or test steps.
    300.00৳ 400.00৳  25% off

    GAiPHAO 2912 fan circuit

    300.00৳ 400.00৳  25% off
  • Gaiphao 7.8V 1.5A Charger PCB Module

    The Gaiphao SX-7815 is a high-efficiency 7.8V 1.5A AC-to-DC power supply module specifically designed for rechargeable fans and emergency lights. It serves as a reliable replacement for internal charging circuits, converting standard household AC power into a stable DC output to charge 6V batteries and run portable electronics.
    Quick Specs
    • Input: 100V–240V AC
    • Output: 7.8V DC / 1.5A
    • Primary Use: Charging 6V rechargeable fan batteries.
    • Key Components: Features a step-down transformer and SMPS technology for stable, cool operation.
    Would you like to know the pin-out connections for installing this in your device?
    220.00৳ 250.00৳  12% off

    Gaiphao 7.8V 1.5A Charger PCB Module

    220.00৳ 250.00৳  12% off
  • Gaiphao SX-1530 power supply module

    The Gaiphao SX-1530 is a 45W AC-to-DC power module designed as a high-quality replacement charging circuit for 12V rechargeable fans (compatible with brands like Walton, Sunca, and Defender).
    • Output: 15V DC @ 3A (Max)
    • Input: 100V – 240V AC
    • Best For: Charging 12V lead-acid batteries and powering 12V–17″ portable fans.
    • Build: Includes aluminum heatsinks for cooling and built-in short-circuit protection.
    Do you need help with the wiring diagram or installation steps
    320.00৳ 350.00৳  9% off

    Gaiphao SX-1530 power supply module

    320.00৳ 350.00৳  9% off
  • GETBSTOOP QC4.0 QC3.0 LED Dual USB 5V 4.5A 22.5W Micro/Type-C USB Mobile Power Bank DIY Mobile Power Bank Circuit Board Fast Charging Mobile Power Module Temperature/Circuit Protection

    GETBSTOOP QC4.0 QC3.0 LED Dual USB 5V 4.5A 22.5W Micro/Type-C USB Mobile Power Bank DIY Mobile Power Bank Circuit Board Fast Charging Mobile Power Module Temperature/Circuit Protection

    About this item
    Intelligent Charging Stages: Our micro/type-c usb mobile power bank employs a three-stage charging process: trickle, constant current, and constant voltage. Initially, it charges at 300mA in trickle mode for batteries under 3V. As the voltage surpasses 3V, it transitions to constant current mode, delivering up to 21W. In the final stage, it shifts to constant voltage mode, tapering the current to ensure a full and Saf-e charge.
    Multi-Layer Protection: Our 18650 charging module is equipped with extensive protection mechanisms, including input overvoltage, output overcurrent/short circuit, overcharge overvoltage, and temperature safeguards. These features guarantee Saf-e and dependable charging under various circumstances.
    Extensive Fast Charging Compatibility: Our quick charging mobile power module is compatible with numerous fast charging protocols such as PPS, PD3.0, PD2.0, QC4+, QC4, QC3.0, QC2.0, AFC, , SCP, PE2.0, PE1.1, SFCP, and VOOC. This ensures your devices receive efficient and rapid charging, no matter the required protocol.
    Efficient Recharging Capabilities: The mobile power bank circuit board supports various input fast charging protocols, including PD3.0, PD2.0, AFC, , SCP, and PE1.1. This feature enables swift recharging of the power bank, ensuring minimal downtime and continuous device power.
    High Efficiency and Compatibility: The fast charging mobile power module offers switch charging with a current up to 5A and an efficiency of up to 95%. It supports various battery types including 4.2V, 4.35V, 4.4V, and 4.5V, and adheres to JEITA standards with temperature ring control to ensure optimal performance and Saf-ety.

    IP5328P Dual USB Power Bank Module Type-C 3.7V to 5V 9V 12V Step up Fast Quick Charger Circuit Board QC2.0 QC3.0

    310.00৳ 380.00৳  18% off
  • H961-U PCBa Power Bank Charge Charging Circuit Printed Circuit Board Assembly 5V 2a Power Bank PCB Module Board with Digital LCD Display

    H961-U PCBa Power Bank Charge Charging Circuit Printed Circuit Board Assembly 5V 2a Power Bank PCB Module Board with Digital LCD Display

    Product Description: Power Bank Circuit Module
    This is a versatile and compact power bank circuit module designed for DIY power bank projects, repairs, or upgrades. It features an integrated circuit board with a digital display and multiple ports for charging and discharging.
    Key Features and Specifications:
    • Output: The module has a dual USB Type-A output with a maximum current of 5V 2.4A.
    • Input: It supports multiple input ports for charging the internal battery, including Micro USB, Type-C, and Lightning ports.
    • Display: A digital LED display shows the battery charge percentage during charging and discharging. The display can be activated by pressing a button.
    • Safety Features: The module is equipped with various protection functions to ensure safe operation. These include overcharge, over-discharge, and short-circuit protection.
    • Compatibility: This circuit board is designed to be used with 18650 lithium-ion batteries.
    • Additional Functionality: Some versions of this module may also support Quick Charge (QC) protocols.
    300.00৳ 350.00৳  14% off
  • High Pressure Single Motor Water Pump FL 4200

    High Pressure Single Motor Water Pump FL 4200

    The QYMotor FL-4200 is a High-Pressure DC Micro Diaphragm Water Pump designed for a wide range of applications requiring efficient and reliable water transfer or spraying.

    Key Features & Specifications:

    High Pressure Single Motor Water Pump FL 4200

    • High-Quality Design: Engineered as a premium DC micro diaphragm pump, it offers maximum torque, high operating efficiency, and durable, leak-free performance.
    • Self-Priming: This pump features self-priming capability, allowing it to draw fluid without requiring manual priming.
    • Operating Voltage & Power: It operates on DC 12V with a maximum current of 3.0A (for single motor versions) and a power output of around 80W.
    • Performance: The FL-4200 delivers high pressure, with a maximum cut-off pressure of approximately 100 PSI (or 0.65Mpa), and an open flow rate of 4.0 L/min. Note: Some double motor versions of the FL-4200 offer higher flow rates and pressure.
    • Safety & Durability: Includes built-in thermal protection to prevent overheating and is constructed for durability and extended service life.
    • Applications: Versatile for industrial, agricultural, marine, and household uses, including tasks like bike/car washing, garden irrigation, and medicine spraying.
    • Warning: Do not use this pump in explosive environments or with flammable fluids.
      Here’s a product table for the QYMotor FL-4200 water pump, compiled from the available information: 
      Specification  Details
      Model FL-4200 (also referred to as FLOPUMP Mini Diaphragm Pump)
      Type Self-Priming Water Pump
      Motor Type Single Motor (some variations might be dual motor)
      Voltage DC 12V
      Max Current 3.0A (as per image), 1.6–3 Amp (TechShopBD)
      Power Output 80W (TechShopBD), 36W (Daraz combo set)
      Open Flow Rate 4.0 L/min (as per image), 0.7 GPM (2.6 LPM) (TechShopBD)
      Max Pressure 0.65Mpa (as per image), 100 PSI (Cut-off) (TechShopBD)
      Thermal Protection Yes (Built-in)
      Protective Valve Type Intelligent valve (with Pressure switch)
      Warning Do not pump flammable fluids, Do not use in an explosive environment
      Dimensions 16 × 10 × 6 cm (TechShopBD)
      Weight 600 g (TechShopBD)

      Note: There might be slight variations in specifications depending on the specific variant or package of the FL-4200, especially concerning single vs. dual motor configurations and associated flow rates and power outputs. 

    680.00৳ 750.00৳  9% off

    High Pressure Single Motor Water Pump FL 4200

    680.00৳ 750.00৳  9% off
  • HIGH-PRECISION DIGITAL DC WATT METER & POWER ANALYZER

    This high-precision inline DC watt meter and power analyzer measures voltage, current, power, and energy consumption in real time. It is an essential diagnostic tool for optimizing RC hobby electronics, solar panel outputs, and battery performance.
    Product Highlights
    • Real-Time Data: Measures current (A), voltage (V), power (W), and capacity (Wh/mAh).
    • Peak Tracking: Records peak Amps, peak Watts, and minimum Voltage safely.
    • Inline Design: Connects directly between your power source and the electronics load.
    • Tough Build: Equipped with heavy-duty, high-temperature silicone wire leads.
    Tell me your maximum system voltage or current limits if you want to verify compatibility with your setup.
    800.00৳ 900.00৳  11% off
  • ip2312 charging module price in bangladesh

    1 Features
    2applications _
    3Introduction _
    V1.0 www.injoinic.com 1 / 11
    Switching buck charge management IC.
    ÿ Synchronous switch step-down charging
    ÿ 750KHz switching frequency, can support 1uH inductor
    The size of the solution reduces the BOM cost.
    IP2312 is packaged in ESOP8 .
    ÿ Built-in power MOS
    It requires only a few peripheral components during application and effectively reduces the overall
    ÿSingle-cell lithium battery/lithium-ion battery charging
    ÿ Maximum charging current 3A
    ÿ IC over-temperature protection
    750KHz, the maximum charging current is 3A, 5V input, 3.7V/2A conversion
    ÿ Charging current can be adjusted by external resistor
    ÿ Charging efficiency 94% (3.7V/2A)
    ÿ Input overvoltage and undervoltage protection
    IP2312 Boost Switching Charge Converter Operating Frequency
    The input voltage of IP2312 is 5V, and the input can intelligently

    130.00৳ 150.00৳  13% off

    ip2312 charging module price in bangladesh

    130.00৳ 150.00৳  13% off

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