Smart mm32w0 Bluetooth module technology


1. Overview

Mm32w0x2xxb Bluetooth module is specially designed for intelligent wireless data transmission by Shanghai smart Microelectronics Co., Ltd. and complies with blev4.2 Bluetooth specification. It supports Bluetooth spp protocol, can send and receive data with Android phones of all versions, can be paired with IOS devices supporting ble, without additional authorization fees, and supports the resident operation of background programs; supports at command, and users can change parameters such as serial port baud rate, device name, pairing password, etc. according to their needs, with flexible use.

Mm32w0 series module supports UART interface, I2C interface and USB interface, which has the advantages of low cost, small volume, low power consumption, high sensitivity of receiving and sending, and can realize its powerful wireless data transmission function with only a few peripheral components.

2. Features

Bluetooth protocol: Bluetooth specification v4.2 ble, with a longer communication distance than traditional Bluetooth
Working frequency: 2.4GHz ISM band
Modulation mode: GFSK (Gaussian frequency shift keying)
Sensitivity: ≤ – 80dbm at 0.1% BER
Transmission rate: asynchronous: 1Mbps synchronous: 1Mbps
Security feature: authentication and encryption; support AES encryption, 128 / 192 / 256 bits
Support services: Central & peripheral UUID ffe0, ffe1
Power supply: + 3.3vdc 50mA
Energy consumption characteristics: support sleep, stop and standby low power consumption modes
Appearance size: 26mm x 13mm x 1mm

3. Application field

This module is mainly used in the field of short distance data wireless transmission. It can realize one-to-one interconnection with mobile phones, Bluetooth devices of PC, and data communication between two modules. Avoid tedious cable connection and can directly replace serial port cable.
• Bluetooth GPS;
• Bluetooth wireless data transmission;
Industrial remote control and telemetry;
• POS system, scanning gun;
• traffic, underground positioning and alarm;
Automatic data acquisition system;
Wireless data transmission; banking system;
Wireless data acquisition; building automation, security, computer room equipment wireless monitoring, access control system;
• smart home, industrial control;
Vehicle testing equipment;
• interactive program voting equipment of TV stations;
Government street lamp energy saving equipment;
Wireless LED display system;
• Bluetooth joystick, Bluetooth game handle;
• Bluetooth printer;
Bluetooth remote control toys;
• anti loss device, LED light control;

4. Physical characteristics

Smart mm32w0 Bluetooth module technology

5. Electrical characteristics

Smart mm32w0 Bluetooth module technology

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