ماژول بلوتوث صوتی MH-M28 دارای جک هدفون و خروجی AUX

نسخه 4.2

3.7 تا 5 ولت

جک 3.5 میلی‌متری هدفون

حداکثر 10 متر

It can be directly powered by the MICRO USB Android cable 5V, or it can be connected to a 5V power supply or a 3.7V lithium battery. Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.

The earphone can be directly connected to the 3.5mm audio interface, or it can be wired for the audio input of the power amplifier board (interface L/R/AGND can be directly wired).

Bluetooth V4.2

HFPV1.7,A2DPV1.2,AVRCPV1.5,AVCTPV1.2,AVDTPV1.2

5V/3.7V-4.2V

20mA

-40C to +85C

Power positive 5V

Negative power supply

Lithium battery positive 3.7-4.2V

Left channel output

Right channel output

audio ground