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MakerHawk Mini Amplifier Board Bluetooth Amplifier 2.0 2X50W 5V-24V Audio Power Amplifier Module for Store
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Amazon.com: HC-05 Wireless Bluetooth Receiver RF Transceiver Module Serial Port Transmitter Module : Electronics
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Amazon.com: HiLetgo HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino : Electronics
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Amazon.com: DSD TECH 12V Bluetooth Relay Module for Remote Control Switch Compatible with iPhone and Android 4.3 : Electronics
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HiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino
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Amazon.com: DSD TECH HM-19 Bluetooth 5.0 BLE Module with CC2640R2F Compatible for DIY : Electronics
