Robokreeda ESP8266 ESP-01 Wi-Fi Module (ESP8266EX)
The legendary ultra-compact Wi-Fi powerhouse – perfect for adding wireless Internet connectivity to Arduino, Raspberry Pi, ESP32, or any microcontroller project.
Key Features
- Espressif ESP8266EX Tensilica L106 32-bit processor @ 80/160 MHz
- Built-in 802.11 b/g/n Wi-Fi (2.4 GHz)
- 1 MB Flash memory
- Supports STA / AP / STA+AP modes
- Integrated TCP/IP protocol stack
- 8-pin layout (2×4 2.54 mm) with 2 GPIO pins (GPIO0, GPIO2)
- On-board PCB antenna (excellent range)
- Ultra-low power: < 1 µA deep sleep, 170 mA peak
- Firmware: AT command set (pre-flashed) + Arduino/NodeMCU support
Technical Specifications
- Operating Voltage: 3.3 V (use external 3.3 V regulator – 5 V will damage it!)
- Current: ~70 mA average, 200 mA peak
- Serial Interface: UART (TX/RX) – 115200 baud default
- Dimensions: 24.7 × 14.5 mm
Applications
- IoT & smart home devices
- Wireless sensor nodes
- Remote control & monitoring
- Web servers & OTA updates
- Blynk, ThingSpeak, MQTT projects
Package Includes
- 1 × Robokreeda ESP-01 Wi-Fi Module
- Free ESP-01 to breadboard adapter (optional bundle)
The original Wi-Fi enabler that started the IoT revolution – Robokreeda ESP-01: small size, massive possibilities!
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