HLK-M50 RDA5981 Wireless Serial WIFI Module for Smart Home IoT Replace ESP8266

Product Introduction: 1. The HLK-M50 WiFi module is a low-power chip that integrates MCU, PMU, clock, and IEEE802.11b / g / n MAC / PHY / radio. 2. Module supports 2.4GHz IEEE802.11b / g / n, USB Host and Device 2.0 HS, Micro SD card (SDMMC interface), UART, I2C, I2S, PMW, SPI and other interfaces, analog keys (GPADC0). 3. Software using mbedOS5.1 operating system, has two versions : WiFi serial transmission function version and secondary development. 4. Second development version provides rich development interface, users can develop their own applications based on mbedOS through C or C ++. Development kit to provide a large number of guidance documents and test routines to facilitate rapid development of users. Specifications:

Project		Parameters
Memory System	Built-in RAM	96K Bytes User SRAM 32K Bytes icache
	Built-in Flash	Built-in 8Mbit flash

Interface:

Item	Parameter
GPIO	supports up to 17 GPIO ports, of which 16 can trigger interrupts
Serial performance