ESP01S ESP-01 ESP8266 Serial WiFi Transceiver

The ESP01S ESP-01 ESP8266 Serial WiFi Transceiver is a compact and low-cost WiFi module designed for adding wireless connectivity to microcontroller projects. Based on the ESP8266 chip, it enables seamless serial communication over WiFi, making it ideal for IoT, home automation, and remote control applications. Its small size and reliable performance make it perfect for embedded systems and wireless projects.

Features:

• Microcontroller: ESP8266 for reliable wireless communication
• Operating Voltage: 3.3V
• Wireless Connectivity: 2.4GHz WiFi 802.11 b/g/n
• Interface: UART serial communication for easy integration
• Compact Size: Small form factor for space-constrained projects
• Low Power Consumption: Suitable for battery-powered applications
• Improved Version: ESP-01S with better stability and performance
• Easy Programming: Supports AT commands and firmware flashing

Specifications:

• Chipset: ESP8266
• Operating Voltage: 3.3V
• Input Voltage: 3.3V (not 5V tolerant)
• Communication: UART (TX/RX)
• WiFi Standard: 802.11 b/g/n (2.4GHz)
• GPIO Pins: 2 usable GPIO pins
• Flash Memory: 1MB (ESP-01S typical)
• Clock Speed: Up to 80 MHz
• Antenna: Onboard PCB antenna
• Dimensions: Approximately 24.8mm x 14.3mm