Communication Modules
HM-10 Bluetooth 4.0 BLE iBeacon UART Module for Arduino UNO R3 Mega 2560 Nano
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This is a Bluetooth 4.0 module with 4pin base board that can support iphone4s or later. But does not support the version is lower than the android 4.3 phone(it don't support classic bluetooth 2.0 spp features) The core module is...
$2.99
TDA7492P 50W+50W CSR8635 2 x 50 Watt Dual Channel Stereo Output Amplifier Wireless Digital Bluetooth 4.0 Audio Receiver 8ohms Speakers Amplifier Board
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TDA7492P 50W+50W CSR8635 2 x 50 Watt Dual Channel Stereo Output Amplifier Wireless Digital Bluetooth 4.0 Audio Receiver 8ohms Speakers Amplifier Board Fearures: Power Supply: 2.1 interface (5.5-2.1 mm adapter), 8-25V DC power supply, including battery. NOTE that the chip...
$12.99
NRF24L01+ 2.4GHz Wireless RF Transceiver Module Arduino
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Features: High-precision digital servo upgraded version - advanced linearity and accuracy with precision potentiometers,stable,low noise,water-proof Specifications: 100% Quality Guarantee; Model:NRF24L01; nRF24L01 is a single-chip radio transceiver for the worldwide 2.4 - 2.5 GHz ISM band. Does the transceiver consist of...
$2.19
HiFi DAC HAT PCM5122 HiFi DAC Audio Card Expansion Board
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Features: The HiFi DAC Hat compatible with Raspberry Pi 4, Zero, Zero W, 3B, 3B+ with the 40-pin connector. Connects directly to the Raspberry Pi board, no additional cables required, no soldering. Easy to get more beautiful and fantastic sound...
$16.99