Product images are for informational purposes only and may vary slightly depending on the batch and supplier. Product specifications and prices may be subject to change without notice. We do our best to provide accurate and complete product specifications, but they may not be completely accurate. If you encounter any such situation, please let us know.
The product is intended for specialists and requires qualified and authorized personnel. The product does not include assembly/use instructions . Putting the product into operation by unqualified persons leads to the loss of the warranty according to the Terms and Conditions on the site.
The specified technical parameters (current, power, etc.) represent maximum allowable values under ideal operating conditions. For safe use and optimal lifespan, it is recommended to operate the product continuously at no more than 50% of the specified maximum values.
Bluetooth 4.2 BLE audio module, stereo, MH-M28
Bluetooth 4.2 BLE audio module for stereo playback, ideal for DIY projects and active speakers, offers low consumption and stable connection up to 20 m in open space. It is powered by 5V via MicroUSB or 3.7-4.2V from a 1S battery, has audio output on the jack and supports WAV WMA FLAC APE MP3 lossless decoding. The connection is quick, the phone detects it and playback starts immediately.
Shipping by Thursday 27 August
International fast shipping within EU. Free Shipping for orders above 100 EUR in most EU countries.
We ship from our stock within 24H
You earn points with every order, worth 5%.
Bluetooth 4.2 audio module, M28.
It is a module with low current consumption, supports the latest Bluetooth 4.2, two stereo channels for lossless playback. In open spaces, the distance reaches up to 20 meters.
This module has a MicroUSB connection for power and an audio jack
Lossless WAV/WMA/FLAC/APE/MP3 decoding support, dual channel stereo output.
After turning on the module, the phone searches for the MH-M28 device and can instantly play music.
The module can be powered directly from a 1S battery, but ATTENTION, there is no polarity protection, the wrong connection will destroy the module INSTANTLY. There is no dedicated charging circuit for the battery, even if the battery is charged once the module is connected to the USB or 5V power supply. WE RECOMMEND THE USE OF A SEPARATE CHARGING CIRCUIT FOR THE BATTERY.
Below you see the power circuit:
Specifications:
Supply voltage: 3.7 - 4.2V (via lithium battery) and 5V
Battery power pins: Battery plus to VBAT , battery minus to GND
Supported Bluetooth protocols: HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2
Standby consumption: 5.5mA
Operating consumption: 20mA
Deep sleep consumption: 3uA
Button support: No
Volume and Mute adjustment: No
Dimensions mm: 45.2 x 20.2mm
Produs destinat utilizarii in proiecte electronice, automatizari, prototipare, educatie si cercetare.
Produsul trebuie utilizat numai conform specificatiilor tehnice mentionate in descriere si/sau in documentatia produsului.
Avertismente generale de siguranta:
Nu utilizati produsul la tensiuni, curenti sau temperaturi peste valorile specificate.
Montajul si conectarea trebuie realizate de persoane cu cunostinte tehnice minime in domeniul electric/electronic.
Evitati scurtcircuitele, inversarea polaritatii si conectarea gresita a alimentarii.
Nu lasati produsul alimentat nesupravegheat in timpul testelor.
Produsul nu este jucarie si nu este destinat copiilor.
Pentru modulele electronice, se recomanda utilizarea in carcase, panouri sau montaje protejate, dupa caz.
Identificare produs:
Denumirea produsului, codul/SKU-ul si caracteristicile tehnice sunt mentionate in pagina produsului si/sau pe eticheta ambalajului.
Producator / Importator / Distribuitor:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Website: www.sigmanortec.ro
Persoana responsabila in UE:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Documentatie si siguranta:
Pentru informatii suplimentare, fise tehnice, declaratii de conformitate sau instructiuni, ne puteti contacta la [email protected].
Reviews (14) - Review moderation
este super .dar nu merge la batterie de 3.7v
Un prdus excelent la pretul acesta,recomand
Foarte bun produsul.
merge ok calitate buna
Bune si utile.Multumit!
