HLK-B50 is a BLE5.0 dual-mode Bluetooth-serial port pass-through module developed and produced by Hi-Link Electronics, which can support both Bluetooth SPP and GATT pass-through, and various devices with serial ports can use Bluetooth wirelessly to send and receive data simply and quickly through this module.
Features:
- Built-in 32-bit ARM Cortex M3 core with main frequency up to 48MHz
- Fast and stable Bluetooth-serial pass-through with serial baud rate up to 921600
- Master-slave Bluetooth BLE 5.0, can be set as master or slave mode, support binding encryption
- Dual-mode Bluetooth with data transit via GATT or SPP and simultaneous connectivity
- Support A2DP V1.3 and AVRCP V1.6, built-in Audio CODEC
- Built-in lithium battery charging circuit, charging current up to 200mA
- Built-in LDO, adjustable LDO output voltage
- Built-in Watchdog for long and reliable operation
- Wide operating voltage 2.6~4.2V, 3.3V typical
- Rich output pins (UART, I2C, SPI, GPIO, ADC, PWM, I2S, etc.) for flexible and in-depth hardware and software customization development services
