ESP-8266 WiFi Module

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Specifications: 802.11 b/g/n Serial/UART baud rate: 115200 bps Integrated TCP/IP protocol stack Input power: 3.3V (see "Recommended Accessories" below for 3.3V power options) I/O v oltage tolerance: 3.6V Max (see "Recommended Accessories" below for level converters to connect to higher voltage devices (i.e. Arduino) ) Regular operation current draw: ~70mA Peak operating current draw: ~300mA Power down leakage current: Show more