Input voltage: 3.3V/5V only needs a set of power supply.   Built in level conversion function.   If you use MCU 5.0V and Bluetooth module communication, 5.0V power supply..

Bluetooth stereo audio receiver circuit board is ultra-small size, easy to embed modified products.two-channel stereo output,compatible with most of the market power amplifier ,home audio and video,ca..

Product Features :1: The factory chip production , stable and reliable quality2: Power anti-reverse , reverse power does not work3 : Input voltage 3.6 ~ 6V, must not exceed 7V! !4: common variety of m..

1 x HC 05 2.4G RF Wireless Bluetooth Transceiver Master Slave Module Serial UART 3.3V..

Features:1. The core module uses HC-05 slave module, and the interface includes VCC, GND, TXD, RXD, KEY pin, Bluetooth connection status lead (STATE). 2. LED light indicates Bluetooth connection ..

Hardware featuresTypical -80dBm sensitivityUp to +4dBm RF transmit power Low Power 1.8V Operation ,1.8 to 3.6V I/O PIO controlUART interface with programmable baud rate With integrated ..

Product features:Using HC - 06 from module 1, a core module, which leads to the interface includes VCC, GND, TXD, RXD, reserved LED state output pin, MCU can state whether the bluetooth is connected t..

Description :VCC: voltage range 4.2V to 5V, in particular, can not exceed 5V power supplyGND: PowerL: Left channel outputR: Right channel outputMUTE: high level when muted, normally lowKC: Empty PinTh..

Parameters:Bluetooth version: Bluetooth v4.2Bluetooth protocol support: hfpv1.7, adpv1.2, avrcpv1.5, avctpv1.2, avdtpv1.2, low energyWorking voltage: DC 3.3-4.2 VNot connected to power supply: 3.5 mlA..

5V TPA3110 Digital Power Amplifier Board Stereo Class D Power Amplifier Board Wireless 4.2 Power Amplifier Board 15WParameters:The power supply voltage: 8-26 VDCSupply current: recommended 2 a, or abo..