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MP3 Bluetooth 4.1 Decoder Board
 In Stock
- Operating Voltage: 3.7 – 5VDC
- SNR: 90dB
- Support Profile: A2DP / AVCTP / AVDTP / AVRCP / HFP
Original JHD 20×4 character LCD Display with Blue Backlight
 In Stock
- 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
 In Stock
- 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.
Original JHD 20×4 Character LCD Display
 In Stock
- This is Original JHD 20x4 Character LCD Display
- 20 characters wide and 4 rows: The LCD display can show up to 20 characters per line and has 4 lines, providing ample space for displaying information.
- Black text on a green background: The display features black text that contrasts well with a green background, ensuring clear visibility.
- Easy interfacing with a microcontroller: The LCD display can be easily connected and controlled by a microcontroller, allowing for seamless integration into various electronic projects.
- Low-power consumption: The display consumes low power, making it energy-efficient and suitable for applications where power consumption is a concern.
- Economical: The LCD display is cost-effective, making it a budget-friendly option for projects with budget constraints.
- Versatile: The display can showcase a wide range of content, including text, numbers, images, and animations, offering versatility in displaying information.
Blackboard VHM-314 Bluetooth 5.0 MP3 Decoder Board (Type C)
 In Stock
Wuzhi Audio ZK-MT21 Bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W 2.1 Channel Power Audio Stereo Amplifier Tone Board Bass AMP AUX
 In Stock
 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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MAX9814 High Performance Microphone AGC Amplifier Module CMA- 4544PF-W
 In Stock
TPA3118 PBTL Mono Digital Amplifier
 In Stock
- 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.
10W/15W/20W Stereo Bluetooth Power Amplifier Board 12V/24V High Power Digital Amplifier Module XYP15W
 In Stock
TPA3116D2 XH-M543 120W Dual Channel High Power Digital Power Amplifier Board
 In Stock
- 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
 In Stock
- 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.
- Dimmable LED backlight with resistor or PWM
- 16 characters, 2 rows
- Controlled with 6 digital lines
- Operates on 2.7V to 5.5V
- LCD driver power: 3.0V to 11V
- AC waveform liquid crystal drive
XH-A232 TPA3110 30W+30W 2.0 Channel Digital Stereo Audio Power Amplifier Board
 In Stock
- Original TPA3110 core technology
- Easy Plug and Play Operation
- Dynamic operating Voltage Range: 12 to 24V
- High fidelity Dual 30W output.
4A DC-DC Step-down Adjustable Constant Voltage Module
 In Stock
- 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
 In Stock
- 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
 In Stock
- 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 .

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