Description
The ESP8266 ESP-01 is a serial to WiFi breakout module with a built in ARM microprocessor that has 1MB of memory and 2 GPIOs brought out to the header for connecting to peripherals. It can be used as a serial to WiFi bridge to add WiFi capability to a project or it can even be programmed directly and used as a little stand-alone processor. It has full TCP/IP capability built-in.The module requires 3.3V for power and is not 5V tolerant on its pins. If connecting to a 5V MCU, the RX pin of the ESP-01 module which is driven by the TX pin from the MCU should have a level shifter installed. The module has a red power LED and a blue LED to indicate data flow. The WiFi antenna is the meandering PCB trace that covers the end of the module.
Features:
1.32-bit RISC Tensilica Xtensa LX Processor running at 80MHz
2.1MB Flash Memory
3.IEEE 802.11 b/g/n WiFi
4.2 GPIO
5.3.3V Operation
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