ESP8266 ESP-01S ESP01S Serial Wireless Module Wifi Sensor (ESP-01 Updated) Wifi Module DIY for SKR PRO V1.1 3d printer board
Wireless standard: 802.11 b / g / n
Frequency range: 2.4GHz~2.5GHz(2400M ~ 2483.5M)
Data interface: UART / HSPI / I2C / I2S / IR Remote Contorl / GPIO / PWM
Operating voltage: 3.0 ~ 3.6v (Suggest 3.3v)
Working current: average 80mA
Operating temperature: – 40 degrees to 125 degrees
Storage temperature: room temperature
Wireless network mode: station / softAP / SoftAP + station
Security mechanisms: WPA / WPA2
Encryption type: WEP / TKIP / AES
USB to serial TTL chip: CH340G
Upgrade firmware: local serial port burn, cloud upgrade, host download burn
Network protocols: IPV4, TCP / UDP / HTTP / FTP
User Configuration: AT + instruction set, cloud server, Android / IOS APP
Applications: Home automation, sensor networks, industrial wireless control
