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5V Dual Channel Relay Module with Optocoupler
Out of stock
SKU:008481- Low Level Trigger Relay Module
- Two separate LEDs for On/Off indication of the Relay.
- Triggering input voltage 3.3V – 5V
- Two separate LEDs for On/Off indication of the Relay
- Triggering input voltage 3.3V – 5V 4)
- Back EMF protection
- Back EMF protection 2 LEDs to indicate when relays are ON.
- Works with logic level signals from 3.3V or 5V devices
- Opto isolation circuitry
- Module with diode current protection, short response time
- AC Control Voltage: 250V @max.10A
- DC Control Voltage: 30V @max. 10A
MT8870 DTMF Voice Decoding Module
Out of stock
SKU:007081- Versatile Compatibility: Works with various DTMF signals, ideal for modems, mobile radios, and more.
- User-Friendly Design: Onboard LEDs for clear signal state and adjustable timing for accurate decoding.
- Wide Applications: Integrates easily with Arduino boards (UNO, MEGA2560, DUE) for diverse projects.
- Central Office Quality: Delivers excellent performance with an internal amplifier for optimal signal reception.
- Convenient Input: Accepts both 3.5mm jack and voice input for seamless operation.
- Multi-Channel Output: 12 dedicated outputs for phone keys (0-9, *, #) and 4 additional outputs for software control.
TPA3116D2 XH-M543 120W Dual Channel High Power Digital Power Amplifier Board
Out of stock
SKU:007020- Original TPA3116D2 core technology
- Easy Plug and Play Operation
- Dynamic operating Voltage Range: 12 to 24V
- High fidelity 120W out at both Channel
DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board
Out of stock
SKU:007006- Adopts two high-quality TPA3116D2 digital amplifier chips.
- Sound quality is very good, high efficiency and amplifying power.
- 50W x 2+100W 2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.
- Powered by DC 12-24V, wide input voltage.
- User can adjust the volume by themselves easily.
- Applicable speaker impedance: 4-8 ohm.
4A DC-DC Step-down Adjustable Constant Voltage Module
Out of stock
SKU:006989- 1. High-power LED driver.
- Input voltage Min- 7V
- Input voltage Max-40V
- Lithium battery(or lead accumulator) charge.
- Vehicle-mounted power supply.
- Low voltage system power supply.
- 6V, 12V, 14V, 24V battery charge.
- On-board laptop power supply.
- Regulated power supply.
- Low voltage power supply system
ZD680 680mm Carbon Fiber Quadcopter Frame Kit with Carbon Fiber Landing Gear
In Stock
SKU:006878 Motor: 3508
- Prop: 15 inch CW CCW
- ESC: 30A(2-6s) ; 40A (2-4S)
- Flight control: APM opensource flight control
- Battery: 4-6S Lipo
ZD850 Hexa-Rotor Frame for Drone
In Stock
SKU:006869- This pure carbon fiber is ideal to withstand your drone standards.
- Ultra-Lightweight and Durable.
- Made by 100% 3K Twill super strong and lightweight carbon fiber.
- The frame has excellent strength.
- The arm has multiple motor mounting holes.
S550 Hexacopter Frame
In Stock
SKU:006858-
Wheelbase: 550mm
-
Weight: 550g/720g(without/with gimbal)
-
Adopts S800 upward tilt arm design – Plastic injection moduling
-
Ensures hardness and lighter weight – Brushless gimbal compatible for FPV
-
It comes with PCB center board of soldered
- The arm equips support ridges for better and faster forward flight.
- Features pre-threaded brass sleeves.
1200w DC DC Boost Step Up Converter 8-60V to 12-83V 20A
Out of stock
SKU:006731- Input voltage :10-60V
- Output voltage: 12-83V (adjustable)
- Output Current: 12A
- Input Current: 20A
- The non-isolated step-up power conversion module
- Onboard LED illuminates when the voltage is applied to the module
- Equips Multi-turn Potentiometer.
LM317 DC Linear Regulator, DC-DC 4.5~40V Turn 1.2~37V, Step Down Power Module, Adjustable
Out of stock
SKU:006712- Output Current: 1.5A (minimum), 2.2A (typ)
- Input and output voltage difference (VI-VO): 40Vdc (max)
- Adjustable output voltage range: 1.2 ~ 37V
- Operating temperature: -55 to +150
- Output Current: 1.5A
- Input voltage: 4.2 ~ 40 V
SD Card Module
Out of stock
SKU:006673- The level conversion circuit board that can interface level is 5V or 3.3V support micro SD card, micro SDHC card (high-speed card)
- Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation.
- Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin Level
- Conversion Circuit: Micro SD card into the direction of signals into 3.3V, microSD card toward the direction of the control interface
- MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is SPI bus, CS is the chip select signal pin
5V 16 Channel Relay Module
Out of stock
SKU:006656- Versatile Control: This 16 Channel 5V Relay Module lets you control up to 16 devices simultaneously.
- Optocoupler Protection: Equipped with optocoupler protection, it ensures reliable and interference-free operation.
- Universal Compatibility: Compatible with Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, TTL logic, and more.
- Industrial Quality: Integrated with industrial-grade optocouplers for robust performance and anti-jamming ability.
- Easy to Use: Standard interface and indication LEDs for relay output status make it user-friendly.
- Multiple Applications: Ideal for microcontroller development, home appliance control, and PLC extended output.
- Reliable Performance: Made with quality components, this module provides efficient and dependable performance.
2 CH 12V Relay Board
In Stock
SKU:006646- The board is a 2 channel relay which works on 12V.
- The input signal can come directly from a microcontroller.
- Each relay can switch the variety of AC or DC high voltage.
- Current loads working at 110V or 220V AC mains like lights, fans, motors and such
High Landing Gear For SK480 F450 F550 Quadrocopter
In Stock
SKU:006611- Color: black
- Material: ABS Plastic
- The span of the bottom: 330mm
- Height: 190mm
- Compatibility: F450 and F550 Frames
- Weight: 230
F450 4 Axis Quadcopter Frame Kit
In Stock
SKU:006606 Wheelbase: 450mm
Material: Glass Fiber + Polyamide-Nylon
Motor Mounting Hole Diameter: 3 mm
Arm Size: 220 x 40 (LxW) mm
Arm mounting holes (on frame): 3 mm
Arm mounting holes (on arm): 2 mm
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100A Multirotor ESC Power Distribution Battery Board For Quadcopter
In Stock
SKU:006601 Material: glass fiber
Compatible with MK KK flight control installment pitch of holes
Compatible with MK KK flight control system
Can connect 1-16 ESC.
Board Dimensions : 50 x 50 x 2 mm.
Weight: 8 gm.
Hole Spacing: 45mm Square and 35mm Square (Compatible with KK 45mm spacing)
Read more

We specialize in providing DIY electronics kits and components, empowering makers and hobbyists to build innovative projects. We also develop final year projects for engineering students, delivering hands-on solutions for academic excellence.
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