NodeMCU board ESP8266 WiFi module CH340 Type-c

• Network protocol: 802.11b/g/n
• Microprocessor: Built-in 32-bit Tensilia L106 with low power consumption
• Accuracy: 10bit high-precision ADC
• TCP/IP protocol: Built-in
• Systems: TR switch, balun, LNA, power amplifier, and matching network
• Power management: PLL and voltage regulator
• Access Point: Wi-Fi @ 2.4GHz, supports WPA/WPA2
• Upgrade mode: Supports AT local upgrade and cloud OTA upgrade
• Operating modes: STA/AP/STA+AP
• Smart Config: Functions for Android and iOS, HSPI, ART, I2C, I2S, IR Remote Control
• Power consumption: 20 μA in deep sleep mode, less than 5 μA when turned off
• Connection speed: Wakes up, connects, and transmits data within 2ms
• Energy consumption in standby mode: Less than 1.0mW (DTM3)