MOFI- Musical-Fidelity -A1 Class A Power Amplifier DIY KIT Project. It is based on the core circuit of the Musical-Fidelity A1 Power Amplifier. Clean up the solder flux residue from the board with isopropyl alcohol (or electronics flux remover) and a brush.
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M093 M093B Motherboard Coil Tester Inductor Detector Tool for PC Repair Electromagnetic Induction Quick Fault Check
Aliexpress UK
Output power: 300W 4ohm, 200W 8ohm (Four tubes in parallel). Excellent Audio Quality: By adopting differential input amplification technology and a miniaturized integrated design, this power amplifier board achieves high fidelity and exceptional audio quality, surpassing the performance of traditional digital power amplifier boards.
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PCA9685 Robot Controller IIC Interface 16 Channel 12-Bit PWM Servo Motor Driver Board Controller for Arduino Robot/ Raspberry Pi
Aliexpress UK
With 5.5mm power interface. 100W mono subwoofer, outstanding effect. Material: ABS. Adopt quality electronic components, good performance. Color: As picture shown PCB size(length width): Approx. 78 60mm/3.1 2.4in.
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Estardyn ESP32-CAM-MB WiFi Bluetooth Camera Module, 5V OV2640/OV3660 Development Board for Arduino IoT
Aliexpress UK
Swappable Op-Amp: Features replaceable operational amplifiers for customizable audio performance tuning. Material: PCB. B: NE5532 Main Board + 2 Audio Cables. A: NE5532 Main Board. Versatile Compatibility: Works seamlessly with computers, MP3 players, and enhancers for diverse audio applications.
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RK3506G Triple-Core A7 Embedded Core Board CDSENT ECK41 Low Cost Small Size ARM Linux 256MB Industrial Multi-Core Heterogeneous
Aliexpress UK
Note: this list is for one pair bare PCB,not include any other parts. PCB size: 90MM 76MM.
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Car Wiper Pulse Motor Circuit Board Module 19168554 For Chevrolet GMC Vehicles 19178233 906136 88136 12463039 12463090
Aliexpress UK
Printed Circuit Board only -NO components . 1000W Stereo Amplifier Board for 20 Power Transistors -10 per channel. Printed Boards will be delivered with schematic diagram, list of materials and other technical sheets.
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New Original Switch Lite Backlight Motherboard IC Chip 9pin BGA Controller LED Lighting Driver
Aliexpress UK
After the Bluetooth is disconnected, the power amplifier board is prepare for the second pairing, and after playing the "prompt ", it enters the pairing mode and waits for pairing. Item Type: Bluetooth Audio Receiver Board.
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CC2531 CC2540 +Antenna BLE 4.0 Zigbee Sniffer Wireless Board Dongle Capture Module USB Programmer Downloader Cable Connector
Aliexpress UK
Chip model: TDA7850. Power: 4 50W. Output power: 4 50W. 1 Amplifier Board. Output resistance group: 4-8Ω. Watch Balances Wheels Tack Holder Watchmakers Tool Watch Repairing Accessory. 6 String Electric Guitar Adjustable Saddle Hardtail Bridge Set 78mm Top-Loading.
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1PC Ironing Cloth Protective Mesh Mat Heat Insulation Against Pressing Pad for Home Delicate Garment Clothes Ironing Board Cover
Aliexpress UK