NL6621-Y1 2.4GHz UART Serial to Wi-Fi Module
NL6621-Y1 is a high integration SOC dedicated to wireless LAN products of high data throughput and low cost. It integrates MCU, MAC, 1T1R baseband and RF transceiver with amplifier on a chip. NL6621 supports 802.11b / gn and Wi-Fi direct (SDIO network card mode), BSS STA, soft AP, WiFi protection setup. Also supports WMM-PS and WPA / WPA2 security protocol.
NL6621 can serve as slave controlled by main processor and independent WLAN device, no need other processors. The common interfaces it supports include QuadSPI, standard SPI, I2C, UART, GPIO, i2S audio, and PWM audio. NL6621 can be directly connected to abundant peripherals such as sound box, pick-up head, flash memory and LCD, etc. abundant internet protocols such as TCP / IP, UPD and HTTP, etc. are integrated to NL6621. With high-performance transmission over radio, abundant interfaces and protocols, NL6621 is a best choice for monolithic chip solution such as wireless audio, wireless video, wireless wisdom household and wireless medical treatment, etc.
Secondary development tools: Complete open source SDK such as Standar_SDK, Wifi-Uart_SDK, Apple Homekit_SDK, Gizwits_SDK
This is a serial WiFi module based on NL6621. It is TTL serial communication interface and the parameters can be set by AT command.
Working frequency: 2.4GHz
Wireless criteria: 802.11 b / g / n
Wireless Network Mode: station / softAP / SoftAP + station
Working voltage: 3.3V
Working current: 200mA (MAX)
Sleep current: 3.7mA
Onboard ports : UART TTL, which can be used as control interface or GPIO. I2C, which can connect externally to EEPROM storage chip.
Serial port baud rate: 115200 (default), can be adjusted to other values by AT command
Serial communication format: 8N1
Antenna: built-in PCB antenna
Great for DIY
The basic frequency can be configured as : 160M, 120M, 80M, 40M;
448KB RAM (CODE RAM is 192K) can be used by WLAN and custom-built applications