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The 128Mbit/4MB Flash DY-SV17F MP3 Module is a compact audio playback solution, offering MP3 and WAV file support with 4MB flash memory. It’s easy to integrate with microcontrollers for a variety of applications such as robotics, DIY projects, and interactive devices.
The 128MBit Flash – 16P Voice LQ6500-16P MP3 Module provides MP3 and WAV audio playback with 16MB of flash memory. Easily integrated with microcontrollers like Arduino and Raspberry Pi, this module is ideal for creating voice notification systems, sound effects, and portable music players.
The 5V 12mm Active Mini Buzzer is a compact and efficient audio signaling device designed to produce sound at a minimum of 85 dB from a distance of 10 cm. Operating within a voltage range of 4 to 12 V and drawing a maximum of 32 mA, it is ideal for various electronic projects and alarm systems. With a resonant frequency of 2300 ±300 Hz and a temperature tolerance from -20°C to 45°C, it is both versatile and reliable. Its small size (height: 9.16 mm, diameter: 11.78 mm) and lightweight design (1.6 g) make it suitable for space-constrained applications.
The AD828 Stereo Dynamic Microphone Preamplifier Module provides high-quality, low-noise amplification for dynamic microphones. With a wide voltage range of 3.8V-15V DC, adjustable gain, and stereo input support, this preamp module is perfect for home studios, live sound systems, and DIY audio projects.
The Bluetooth 4.2 TPA3110 15W+15W Digital Audio Power Amplifier offers powerful wireless audio streaming and high-quality sound with 15W per channel, perfect for DIY audio projects, portable Bluetooth speakers, and home audio systems.
The BT201 Dual Mode 5.0 Bluetooth Lossless Audio Power Amplifier is a compact and efficient Bluetooth audio module that offers lossless sound quality for wireless streaming and hands-free communication. Operating on 5V, it’s perfect for DIY speakers, portable audio systems, and smart home audio setups.
The CA-6928 Bluetooth Stereo Audio Module with a 3.5V-5V power amplifier provides wireless stereo audio streaming and high-quality sound amplification, making it ideal for portable Bluetooth speakers, DIY audio projects, and wireless audio systems.
The DFPlayer Mini MP3 Player is a small, powerful module designed for easy audio playback in DIY projects. It supports MP3 and WAV formats, integrates with a microSD card, and can be controlled via UART for custom applications. Its low power consumption and built-in amplifier make it ideal for battery-operated devices.
The LM386 Audio Amplifier Module operates between DC 3V and 12V, providing excellent sound amplification for various applications. With a built-in volume control, it allows for easy adjustment of audio levels, making it perfect for DIY projects and portable speaker systems.
The LM386 Mini Audio Amplifier Module operates on 5V-12V, providing clear, powerful sound amplification, ideal for DIY projects and portable audio applications.
The LM386 SOP Low Voltage Audio Amplifier IC operates from 4V to 12V, providing efficient audio amplification with low distortion, ideal for portable devices and projects.
The LM567CN is a 9V tone decoder IC with 10mA current consumption, designed for accurate tone detection in communication systems, security alarms, and audio processing, featuring a wide frequency range and low power usage.
The LTK5110 SOP 27W 4Ω Differential Structure Class F/D/AB Audio Power Amplifier IC is a versatile audio amplifier IC that supports Class F, Class D, and Class AB operation for high-power audio applications. It delivers 27W output power for 4Ω speakers, offering both efficiency and sound clarity in a compact SOP package.
The MAX4466 Electret Microphone Amplifier (GY-MAX4466) offers adjustable gain for clear, amplified audio from electret microphones. Perfect for sound detection, voice recognition, and DIY electronics, this compact module operates from 2.4V to 5.5V, making it ideal for Arduino and Raspberry Pi projects.
The MAX9814 Electret Microphone Amplifier Module with Auto Gain Control offers high-quality, low-noise amplification for electret microphones. With automatic gain adjustment, this module ensures clear audio output, making it ideal for voice recognition, sound detection, and audio recording applications.
The MAX98357A I2S DAC Class D Mono Amplifier Module is a compact, power-efficient audio solution that supports I2S audio input, making it ideal for DIY audio projects, Bluetooth speakers, and Raspberry Pi applications. With a Class D amplifier and the ability to drive 4-8Ω speakers, this module offers high-quality sound in a small package.
IPP120N04 / 120N04 TO-220 40V N-Channel MOSFET 
1 Way 1 Channel 10A 12VDC Relay Module with Opto Isolated High & Low Trigger With Screw Terminal 
CD4020 DIP 14-Stage Binary Counter IC 
