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Battery Level Indicator Module
The Universal Battery Level Indicator is a compact, ultra-thin LED module used to monitor the real-time capacity of 18650 Lithium-ion, LiPo, or Lead-acid batteries.Quick Highlights- Visual Display: Uses 5 LEDs to show power levels (20%, 40%, 60%, 80%, 100%).
- Energy Efficient: Features a “TEST” button that activates the LEDs only when pressed; it auto-shuts off after 3–10 seconds to prevent battery drain.
- Plug & Play: Simple 2-wire connection (Red to Positive, Black to Negative).
- Durable Design: Includes reverse polarity protection to prevent damage if wired incorrectly.
- Versatile: Compatible with voltages ranging from DC 3V to 34V (depending on the specific cell configuration selected).
Would you like to know the voltage thresholds for each LED bar?190.00৳230.00৳17% offWhat's appBattery Level Indicator Module
190.00৳230.00৳17% off -
PC817 Optocoupler
The PC817 is a compact optoisolator (photocoupler) that uses an internal infrared LED and phototransistor to transfer signals between two circuits without a physical electrical connection.- Primary Function: Provides high-voltage isolation (up to 5kV) to protect sensitive low-power components (like microcontrollers) from high-voltage noise or power spikes.
- Package: Standard 4-pin DIP (Dual In-line Package).
- Key Specs: 80V max collector-emitter voltage, 50mA collector current, and a 1.2V typical input forward voltage.
- Best For: Switching power supplies, noise suppression, signal isolation, and relay driving.
Would you like to see a list of pin-compatible equivalents or a simple circuit example?10.00৳20.00৳50% offWhat's appPC817 Optocoupler
10.00৳20.00৳50% off -
15N60C power MOSFET
The 15N60C is an N-Channel Power MOSFET designed for high-voltage, high-speed switching. It is commonly used in SMPS (power supplies), motor controllers, and DC-DC converters.Core Specifications- Voltage (
): 600V
- Current (
): 15A
- Package: TO-220F (Fully insulated)
- Type: N-Channel Enhancement Mode
Key Features- Fast Switching: Ideal for high-frequency applications.
- Low On-Resistance: Reduces heat and improves efficiency.
- Fully Insulated: The plastic TO-220F package eliminates the need for an insulation pad when mounting to a heatsink.
Would you like the pinout diagram or a list of compatible replacements?40.00৳60.00৳33% offWhat's app15N60C power MOSFET
40.00৳60.00৳33% off - Voltage (
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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 steps320.00৳350.00৳9% offWhat's appGaiphao SX-1530 power supply module
320.00৳350.00৳9% off -
IP5356 power bank circuit board
The IP5356 Fast Charging Power Bank Module is a high-efficiency DIY circuit board designed to create portable chargers with up to 22.5W of power. This “Non-Display” version is optimized for compact, high-performance builds using 3.7V lithium batteries.Quick Highlights- Maximum Power: 22.5W (Supports PD3.0, QC3.0, SCP, VOOC, and AFC).
- Port Array: 1x Bidirectional USB-C, 2x USB-A Outputs, and 1x Micro-USB Input.
- Battery Compatibility: 3.7V Lithium-ion or Li-polymer (connected in parallel).
- High Efficiency: Over 90% conversion rate with low heat generation.
- Safety Features: Built-in protection against overcharge, short-circuiting, and overheating.
Would you like to know which specific battery types work best with this board?350.00৳400.00৳13% offWhat's appIP5356 power bank circuit board
350.00৳400.00৳13% off -
22.5W bidirectional fast charging module
This is a 22.5W Bidirectional Fast Charging Module (IP5356 chip) for DIY power banks.- Fast Charging: Supports PD3.0, QC4+, SCP, FCP, and VOOC protocols at up to 22.5W output.
- Bidirectional: Fast charges both the connected device and the power bank itself.
- Ports: Dual USB-A (output), one USB-C (bidirectional), and one Micro-USB (input).
- Display: Digital LED screen shows real-time battery percentage.
- Requirement: Connect 3.7V Lithium batteries in parallel (B+ to positive, B- to negative).
Pro Tip: After soldering your batteries, you must plug the module into a charger once to activate the board.Are you building this into a 3D-printed case or a standard enclosure?350.00৳400.00৳13% offWhat's app22.5W bidirectional fast charging module
350.00৳400.00৳13% off -
USB to 9V DC step-up voltage converter
his USB to 9V DC Step-Up Cable is a compact voltage converter designed to power 9V devices using a standard 5V USB port.Quick Highlights- Function: Converts 5V (USB) to 9V (DC).
- Main Use: Powers WiFi routers and ONUs from a power bank during power cuts.
- Connector: Standard 5.5mm x 2.1mm DC barrel plug.
- Max Output: Typically 800mA to 1A.
- Design: Built-in intelligent step-up chip; plug-and-play.
Pro Tip: Check the back of your device—if it says “Input: 9V”, this cable is the correct match.Would you like to know the current price or where to buy this in your area?150.00৳200.00৳25% offWhat's appUSB to 9V DC step-up voltage converter
150.00৳200.00৳25% off -
4-slot 18650 battery holder
4-Slot 18650 Battery HolderThis is a durable, 4-slot battery case designed to hold standard 18650 lithium-ion cells in a series configuration. It is a go-to component for hobbyists needing a portable, high-voltage power source for DIY projects.Core Features- High Voltage Output: Combines four 3.7V batteries to provide a nominal 14.8V output.
- Ready-to-Use: Features pre-soldered Red (Positive) and Black (Negative) wire leads for easy integration.
- Secure Fit: Built with impact-resistant ABS plastic and strong stainless steel springs to keep batteries firmly in place.
- Compact Design: Measuring approximately 81mm x 76mm, it easily fits into small project enclosures or robot chassis.
60.00৳80.00৳25% offWhat's app4-slot 18650 battery holder
60.00৳80.00৳25% off -
130 DC Motor 3.7-5V
The 130 DC Motor is a compact, high-speed miniature motor designed for hobbyist electronics and DIY projects. It is a standard component for powering small, lightweight mechanisms where high RPM is required.Quick Specs- Operating Voltage: 3V – 6V DC.
- Rotational Speed: 12,000 RPM (at 3V).
- Shaft Diameter: 2mm.
- Best For: Toy cars, mini fans, science projects, and small robotics.
- Key Feature: Simple two-wire connection; reversible rotation by swapping wire polarity.
Do you need help finding a compatible battery holder or switch for this motor?20.00৳50.00৳60% offWhat's app130 DC Motor 3.7-5V
20.00৳50.00৳60% off -
DC 5.5mm x 2.1mm male to DC 5.5mm x 2.5mm male power cord,
This is a DC 5.5mm x 2.1mm to 5.5mm x 2.5mm Male-to-Male power bridge cable.It is a heavy-duty 18AWG copper cord designed to connect power sources (like a Mini UPS) to devices with slightly different barrel jack sizes, such as WiFi routers, CCTV cameras, or LED strips.Quick Specs:- Connectors: 5.5×2.1mm Male to 5.5×2.5mm Male.
- Power: Supports 1V-36V and up to 10A current.
- Length: 60cm (approx. 2 feet).
- Build: Thick 18AWG pure copper for stable power delivery.
Would you like to know if this will fit a specific device like a router or camera?35.00৳What's app45.00৳ -
60W electric soldering iron
60W Electric Soldering IronThis 60W electric soldering iron is a reliable tool for precision electronics, PCB work, and DIY repairs. It features an ergonomic, heat-resistant handle and an integrated indicator light for safety and status.Core Features- Power: 60 Watts for fast heat-up and stable temperature.
- Voltage: 220V AC (standard plug-and-play).
- Heating: High-quality external heating element.
- Tip: Durable, iron-plated pointed tip for fine soldering.
- Safety: Heat-insulated handle with a power-on indicator.
Would you like to find the best current price for this item, or are you looking for a complete starter kit?220.00৳250.00৳What's app60W electric soldering iron
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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% offWhat's appESP8266 NodeMCU V3
450.00৳500.00৳10% off -
Soil Moisture Sensor Module
The YL-69 Soil Moisture Sensor is a simple, cost-effective module designed to measure the water content in soil. It works by detecting electrical resistance: drier soil conducts less electricity, while wet soil conducts more.Core FunctionIt provides two ways to read data: a Digital Output (D0) that acts as a simple switch (turning “on” when soil gets too dry) and an Analog Output (A0) for precise moisture level tracking.Quick Highlights- Plug-and-Play: Easily connects to Arduino, ESP32, or Raspberry Pi.
- Adjustable: Features a built-in dial (potentiometer) to set your own “dry soil” alert level.
- Dual Indicator: Includes LEDs to show power status and when the moisture threshold is reached.
- Versatile: Ideal for DIY automatic plant watering systems and smart garden projects.
Would you like a step-by-step guide on how to wire this to your controller?100.00৳150.00৳33% offWhat's appSoil Moisture Sensor Module
100.00৳150.00৳33% off -
DC 280 motors
This high-speed DC 280 Micro Motor is a versatile power unit designed for DIY projects and hobby electronics. It delivers high rotation speeds in a compact, durable metal frame.- Speed: Up to 15,000 RPM (at 12V).
- Voltage Range: 3V to 12V DC.
- Size: Compact body (approx. 24mm x 30.5mm) with a 2mm shaft.
- Best For: RC boats/cars, mini fans, DIY drills, and hair dryer replacements.
Would you like to see pricing or where to buy this motor locally?30.00৳50.00৳40% offWhat's appDC 280 motors
30.00৳50.00৳40% 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 motor20.00৳40.00৳What's appFielect 130 DC motor,
20.00৳40.00৳ -
180-size micro DC motors
This high-speed 180-size Micro DC Motor is a compact, powerful solution for DIY electronics and repairs.Quick Specs- Voltage: 3V – 9V DC (Optimal at 3V/3.7V)
- Speed: High-speed (6,900 – 30,000+ RPM)
- Shaft: 2.0mm diameter
- Build: Durable metal casing with heat-dissipation vents
Best For- Repairs: Electric shavers, hair clippers, and toothbrushes.
- RC Hobbies: Small model airplanes, boats, and drones.
- DIY Projects: Mini fans, robotics, and science experiments.
Do you need help choosing a compatible power source for this motor?80.00৳100.00৳20% offWhat's app180-size micro DC motors
80.00৳100.00৳20% off
