ESP-01 WiFi Module ESP8266 Wireless TransceiverSKU 9006

ESP Boards & Shields

ESP-01 WiFi Module ESP8266 Wireless Transceiver

₹149

01 — About

What it does

The ESP-01 WiFi Module ESP8266 Wireless Transceiver is the most compact and cost-effective way to add WiFi to any microcontroller project. With just 8 pins, it provides full WiFi connectivity for IoT and wireless communication applications.

Key features

  • Ultra-compact size (24.5mm x 14.5mm) for space-constrained designs
  • 802.11 b/g/n WiFi with integrated TCP/IP stack
  • AT command firmware preloaded for easy control
  • Low cost WiFi solution for any microcontroller
  • 8-pin header with UART, GPIO, and power pins
  • 3.3V operation with low power consumption
  • Arduino library support via ESP8266WiFi or AT commands

Good to know

  • REQUIRES external 3.3V regulator – module draws ~300mA during WiFi TX
  • GPIO pins use 3.3V logic only – connecting 5V will damage module
  • USB-to-TTL adapter required for programming (3.3V level)
  • GPIO0 must be grounded during power-on for flash mode
  • Limited GPIO – use ESP-12F or devkit for more pins

02 — Datasheet

Specifications

09
WiFi Standard
802.11 b/g/n
Frequency
2.4 GHz
Operating Voltage
3.3V
GPIO Pins
2 usable (GPIO0, GPIO2)
Flash Memory
512KB – 1MB
Processor
Tensilica L106 32-bit
Clock Speed
80 MHz
Interface
UART (TX/RX)
Dimensions
24.5mm x 14.5mm