Ai Thinker ESP-01S ESP8266 WiFi Module

The ESP-01S ESP8266 WiFi Module is a self-contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. Each ESP-01S ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that’s just out of the box)! The ESP-01S ESP8266 module is an extremely cost-effective board with a huge, and ever-growing, community. This module has a powerful enough on-board processing and storage capability that allows it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, including the front-end module, which is designed to occupy minimal PCB area. The ESP8266 supports APSD for VoIP applications and Bluetooth co-existence interfaces, it contains a self-calibrated RF allowing it to work under all operating conditions, and requires no external RF parts. Note: Product image may vary from the actual product in terms of IC labels Features: 1MB (8Mbit) Flash size. Very competitive price AP, STA, and AP+STA modes are available. Very simple AT commands, easy to use. Internal LWIP interface. Four pins interface, VCC-3V3, GND, TXD, and RXD. Two extra GPIOs can be used. AT commands firmware. New IC ESP8266ex Package includes: 1 x Ai Thinker ESP-01S ESP8266 WiFi Module

Specifications

Item Type:	Wi-Fi Modules and Development Boards
Operating Frequency (MHz):	2412 to 2484
Interface:	UART, GPIO
IO Port	2
Power Supply Voltage (V)	3.0-3.6
Current (mA):	>300
Operating Temperature (°C):	-20 to 85
Shipping Weight	0.03 kg
Shipping Dimensions	8 × 5 × 1 cm