The scheme mainly uses high-performance multi-DSP processor and CODEC integrated hearing aid scheme, which is suitable for ear mounted, head-mounted, RIC machine and other hearing aid models. Support Bluetooth function, parameters can be configured; Matching APP and PC side tools; With multi-mode, multi-channel, wide range of parameter adjustment. Optional high gain, multi-channel number, low noise mode, with basic WDRC, wind noise detection, voice enhancement, screaming suppression, scene recognition, key volume adjustment, LED light indicator and a variety of voice reminders.

The program is mainly the selection of high-performance MCU and AFE integrated master-slave BMS program, suitable for 6-10 series of lithium battery software protection board, RS485 communication, parameters can be set, supporting PC test tools, with high precision voltage detection and current detection. Optional high-speed current detection, with basic voltage (OV, UV) protection, overcurrent (DOC, COC) protection, temperature protection (OT, UT), short circuit protection;

DXY-LORA031 module is a serial port wireless data transmission LoRa module with positioning and navigation function developed by DXY Ding core. It has the characteristics of high performance, low power consumption and high reliability, and can be widely used in various iot application scenarios, such as smart cities and industrial scenarios. In addition, the DXY-LORA031 module also supports AT instructions, users can change the serial port baud rate, device name, radio frequency and a series of parameters according to needs, the use of very flexible and convenient. At the same time, according to the needs of different users for the status IO pin, you can propose customized requirements. Moreover, users can develop the module and build their own LoRa communication protocol.

This module is a universal Wi-Fi 6 and Bluetooth LE module, powerful, can be used in 3D printing, smart home, industrial automation, healthcare, consumer electronics and other fields.
This module can be SMT implanted on the PCB board, and 28 GPIOs are reserved for connecting the module. Support UART, I2C, SPI, QSPI, ADC and other rich peripherals, users can freely develop and use.

DXYBT624-G00 Bluetooth module is a Bluetooth module developed by DXY core (hereinafter referred to as DXY or Ding Core) based on a Bluetooth SOC chip. Support Bluetooth 5.0 BLE protocol stack, support up to 3 master 4 slave, a total of 7 devices connected at the same time, a single packet can send a maximum of 244 bytes of user net load. In addition, the module has rich peripheral functions, such as UART, SPI, IIC, etc., which can meet various iot application scenarios. AT present, the special firmware of electric meter developed by DXY supports AT command and DL698 protocol control at the same time, and supports up to 3 master and 4 slave connections at the same time. The roles of collector, electric meter and load switch can be switched through AT command, and the firmware is unified.

DXYBT021 module is a serial wireless data transmission module designed by DXY based on a Bluetooth SOC chip. Support AT command, OTA upgrade, users can change the serial port baud rate, device name, pairing password and other parameters. At the same time, it can provide customized service of status IO according to user's demand for status IO pin.