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3.7V Li-Ion Battery Charging and DC-DC Step Up Booster Module | Micro USB Input | Adjustable 4.2V–27V Output | TP4056 + MT3608
🔋 Dual Functionality:
Works as both a 3.7V Li-ion battery charger and a DC-DC step-up booster.⚡ Wide Input Range:
Accepts input voltage from 4.5V to 8V DC (via Micro USB or IN+ / IN− pins).🔧 Adjustable Output Voltage:
Provides 4.2V to 27V DC output, adjustable through the onboard potentiometer.🛡️ Safe & Reliable Charging:
Equipped with TP4056 chip for precise charging control and overcharge protection.🚀 High Efficiency Boost Converter:
MT3608-based step-up circuit offers stable output and excellent energy conversion.🔌 Compact & Easy to Use:
Small 3.3×2.3 cm size—ideal for DIY kits, prototyping, and portable devices.🌞 Solar Compatible:
Can be powered directly from 5V solar panels for outdoor or off-grid setups.💡 Multiple Applications:
Perfect for powering Wi-Fi routers, LED lights, fans, audio amps, RC projects, and more.₨ 165 -
400/76 Gauge Dual Core DC Cable Wire – 1 Meter Length
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Variants Available: 400/76
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Length: 1 meter (custom lengths available on request)
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Conductor Material: China Copper for good conductivity and cost-effectiveness
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Insulation: Durable PVC coating in red & black for easy polarity identification
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Flexible & Easy to Install: Suitable for indoor and outdoor applications
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Usage: Ideal for DC power supply, LED lights, CCTV, automotive, and DIY projects
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Durability: Resistant to wear, moisture, and environmental factors
₨ 95 -
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RS-140 DC 3V Mini Fan Motor – 6000RPM
✅ HIGH SPEED POWER – 6000 RPM for maximum efficiency & airflow.
✅ COMPACT SIZE – Only 2.5cm × 2.1cm, fits almost anywhere.
✅ PRECISE SHAFT – 8.5mm × 2mm for perfect alignment.
✅ SAFE VOLTAGE – Runs on DC 3V for low power consumption.
✅ STRONG & DURABLE – Long life motor for repeated use.
✅ MULTI-PURPOSE USE – Ideal for mini fans, RC models, DIY kits, and more.₨ 38 -
100K Ohm Trimmer Potentiometer – Adjustable Variable Resistor
🔹 Resistance: 100K Ohm
🔸 Type: Single-turn trimmer (easy screw adjustment)
🔹 Pins: 3-terminal design for stable connections
🔸 Mounting Style: PCB through-hole for easy integration
🔹 Use Case: Precision tuning in amplifiers, regulators, timers & sensors
🔸 Material: High-quality plastic and metal for durability
🔹 Size: Compact design, fits easily in tight circuit spaces
🔸 Reliable: Long life and accurate performance₨ 10 -
100K Ohm Mono 3-Pin Rotary Potentiometer | Volume/Tone Control
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📏 Resistance Value: 100K Ohm linear taper (B100K).
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🔄 Configuration: Mono channel with 3-pin connection.
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🎚️ Use Case: Suitable for volume, tone, gain, or signal level adjustment.
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🔩 Mounting Style: Includes nut and washer for panel mounting.
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⚙️ Shaft Type: Knurled 6mm shaft for easy knob attachment.
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🧰 Durability: Metal housing and phenolic base for long-term use.
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🔌 Standard Pin Layout: Easy to solder and fits most PCBs.
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📦 Compact Design: Space-saving form factor for tight spaces.
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🎵 Audio Use: Ideal for amplifier boards and tone control systems.
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🛠️ DIY & Repairs: Perfect for electronics kits, replacements, or upgrades.
₨ 26 -
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10PCS Silicon Thermal Pads for TO-3P D1047 Transistors – 18mm x 22mm
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✔ Designed for TO-3P D1047: Perfectly compatible with TO-3P D1047 transistor packages for easy installation.
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✔ Premium Silicone Material: Made from high-quality silicone for superior heat resistance and durability.
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✔ Excellent Thermal Conductivity: Efficiently dissipates heat to keep components cool and prevent overheating.
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✔ Electrical Insulation: Provides reliable insulation to protect your circuit from shorts and damage.
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✔ Precise Size: Dimensions of 18mm x 22mm ensure a perfect fit without modification.
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✔ Flexible and Soft: Silicone’s flexibility allows for easy placement and better surface contact.
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✔ Long-Lasting Performance: Resistant to aging, cracking, and thermal cycling for extended use.
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✔ Pack of 10: Sufficient quantity to support multiple devices, repairs, or upgrades.
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✔ Non-Toxic and Safe: Made from safe materials, suitable for use in electronic assemblies.
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✔ Wide Application: Ideal for hobbyists, technicians, and professionals working on TO-3P transistor projects.
₨ 28 -
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4-Pin ON/OFF Rocker Switch 250V 16A – Durable & High Current Capacity (32x17x31mm)
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⚡ High Power Rating – Handles up to 250V and 16A, perfect for demanding setups
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🔘 Stable ON/OFF Function – Smooth rocker mechanism with tactile feedback
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🔌 4-Pin Design – Ensures secure and versatile connectivity
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📐 Size: 32 x 17 x 31 mm – Compact yet robust for easy installation
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🎨 Stylish Blue Rocker – Aesthetic and functional design
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🛠️ Ideal For: Power tools, appliances, extension cords, industrial controls
₨ 35 -
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LM358 DIP Dual Op-Amp IC – Reliable Performance in a Through-Hole Package
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Dual Op-Amps: Contains two independent op-amps in a single DIP-8 package, making it ideal for circuits that require multiple amplifiers.
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Wide Voltage Range: Works with a supply voltage of 3V to 32V (single supply) or ±1.5V to ±16V (dual supply), making it highly versatile.
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Low Power Consumption: Designed for low power consumption, ideal for battery-operated circuits and low-energy applications.
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High Input Impedance: Ensures minimal loading on the signal source, making it suitable for weak analog signals.
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Internal Compensation: No need for external compensation components, simplifying design and improving reliability.
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Common Applications: Used in amplifiers, active filters, comparators, voltage followers, and more.
₨ 15 -
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1K Ohm 1/4W Resistors (Pack of 50) – Perfect for All Electronics Projects
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Resistance Value: 1K Ohm (1000 Ohms)
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Quantity: Pack of 50
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Type: Carbon Film Resistors
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Tolerance: ±5%
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Power Rating: 0.25W (1/4 Watt)
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Reliable Performance: Ensures consistent operation across a wide range of projects.
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Applications: Suitable for breadboarding, prototyping, and various electronic circuits.
₨ 45 -
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7W LED Bulb Lamp Capacitor Chip White DOB AC 220V
✅7W Power Output – Delivers bright, energy-efficient lighting
✅ 220-240V Direct Input – No external driver required
✅ Smart IC Technology – Ensures stable and flicker-free operation
✅ 120° Wide Beam Angle – Covers a larger area with uniform light
✅ High CRI >Ra80 – Enhances color accuracy for a natural look
✅ Aluminum Housing – Provides durability and excellent heat dissipation
✅ DIY Friendly – Easy to install in bulbs, ceiling lights, and fixtures₨ 42 -
Digital Voltmeter DC 100V 10A Voltmeter Ammeter
- Working voltage:4.5-30V DC
- Note: The maximum input voltage can not exceed 30V, otherwise there is the danger of burning
- Working current:=20mA
- Display: 0.28″ Two color blue and red
- Measuring range: DC 0-100V 0-10A
- Minimum resolution (V): 0.1V
- Refresh rate: =100mS / times
- Measure accuracy: 1% (± 1 digit)
- Minimum resolution (A): 0.01A
- Operating temperature: -15 to 70° c
- Working pressure: 80 to 106 kPa
- size :48×29×22 mm
₨ 375
