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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
2.8 inch SPI Touch Screen Module TFT Interface 240*320
In Stock
SKU:007249- Touch: Resistive
- Display Size: 2.8″
- Size: 8.5 x 4.8cm
- Input Voltage (V): 3.3 to 5
- Driver IC: ILI9341
- Color Depth: 262K/65K
- Resolution (dots): 240 x 320
ESP WROOM 32 MCU Development Module – 30 Pin CH9102
Out of stock
SKU:007197- Chipset : AT24C256.
- Operating Temperature: -55°C to 125°C.
- Storage Temperature: -65°C to 150°C.
- The voltage on Any Pin with respect to the ground: -1.0V to 6.25V.
- Maximum Operating Voltage: 6.25V DC.
DC 5V Ultrasonic Humidifier USB Spray Module DIY Incubation Experiment 108KHz
Out of stock
SKU:007151- DC 24V 36mm Super Ultrasonic Mist Maker Humidifier Atomizer
- Comes with a built-in driver circuit for easy and direct operation
- Automatically starts misting upon power-on (triggered by power supply)
- Operates at 108KHz high-frequency for efficient ultrasonic atomization
- Micron-level spray aperture produces fine 5μm water mist particles
- Glazed surface on the atomizing sheet enhances durability and mist quality
1.8 Inch TFT LCD Module 128 x 160 with 4 IO
Out of stock
SKU:007121- Display Size: 1.8″
- Driver IC: ST7735
- Input Voltage (V): 3.3 to 5
- Pixel Resolution: 128 x 160
- PCB Size (mm): 57×34 (LxW)
- Interface Type: SPI
MP3 Bluetooth 4.1 Decoder Board
Out of stock
SKU:007102- Operating Voltage: 3.7 – 5VDC
- SNR: 90dB
- Support Profile: A2DP / AVCTP / AVDTP / AVRCP / HFP
Original JHD 20×4 character LCD Display with Blue Backlight
Out of stock
SKU:007092- This is Original JHD 20×4 character LCD Display with Blue Backlight
- It is an original JHD LCD display with blue backlight and high quality.
- The screen can be used for color, LCD, led light bar, and so on, it is easy to install and disassemble without special tools.
- This module does not require a driver. The LCD screen will display both the character and data.
- Black text on the Blue background
- Single LED backlight included can be dimmed easily with a resistor or PWM.
- Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used)
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.
Blackboard VHM-314 Bluetooth 5.0 MP3 Decoder Board (Type C)
Out of stock
SKU:007066Wuzhi Audio ZK-MT21 Bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W 2.1 Channel Power Audio Stereo Amplifier Tone Board Bass AMP AUX
Out of stock
SKU:007061 Product Name: 2.1 channel audio amplifier module
Product Model: ZK-MT21
Bluetooth Version: 5.0 (no shielding, 15 meters)
Input Sensitivity: 500mV
Audio Input: AUX + Bluetooth
Channel: 2.1
Chip Solution: Domestic power amplifier chip
Power Range: DC 12-20 V / 5A above (Do not connect to 24V battery pack)
Adapter Speaker: 20-100 W, 4-8 Ω
Output Power: Left and right channels <50W, Subwoofer <100W
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TPA3118 PBTL Mono Digital Amplifier
Out of stock
SKU:007050- Working Voltage: DC 8-24V
- Power Output: 60W
- Applicable Speaker Impedance: 4-8 Ω
- Sound quality is very good by using this module.
- Mono digital audio power amplifier chip.
- High output and low power consumption.
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
4×5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
Out of stock
SKU:006945- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- 5 pins 2.54mm pitch connector, 4×5 type 20 keys.
- Sticker can peel off for adhesive mounting.
- Operating Voltage (V): 12 DC
LCD Electronic Fish Tank Water Detector Thermometer
Out of stock
SKU:006938- Temperature range: -50°C ~ +110°C
- Temperature display resolution: ±0.1
- temperature measurement accuracy: 1°C
- Cable Length: 1M
- Display Dimensions : 48 x 29 x 16 (LxWxH) mm.
- Easy to use, small and handy module.
- The module is powered by a pair of LR44 button batteries .

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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