ESP8266

Part: ESP8266EX — Espressif Systems Type: Highly Integrated Wi-Fi SoC Description: A highly integrated Wi-Fi SoC solution with low power, compact design, and high stability, featuring a Tensilica L106 32-bit RISC processor, supporting 802.11 b/g/n Wi-Fi, and offering various peripheral interfaces.

Operating Conditions:

• Supply voltage: 2.5 V ~ 3.6 V
• Operating temperature: -40 °C ~ 125 °C
• CPU clock speed: up to 160 MHz
• External crystal frequency: 24 MHz to 52 MHz

Absolute Maximum Ratings:

• Max supply voltage: 3.6 V

Key Specs:

• Wi-Fi Standard: 802.11 b/g/n (HT20)
• Frequency Range: 2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz)
• Transmit Power (802.11b): +20 dBm
• Receive Sensitivity (802.11b, 11 Mbps): -91 dBm
• Average Operating Current: 80 mA
• Deep-sleep Current: 20 μA
• Available SRAM (Station mode, connected to AP): up to 50 kB (Heap + Data area)
• External Flash Support: up to 16 MB (Standard SPI, Dual SPI, Quad SPI)

Features:

• Integrated antenna switch, RF balun, power amplifier, low noise amplifier, filter, and power management module.
• Integrated Tensilica L106 32-bit RISC processor with on-chip SRAM.
• Supports 802.11 b/g/n (2.4 GHz) with speeds up to 72.2 Mbps.
• Two virtual Wi-Fi interfaces.
• Supports Infrastructure BSS Station mode, SoftAP mode, and promiscuous mode.
• Advanced low-power management: Active, Modem-sleep, Light-sleep, Deep-sleep modes.
• Supports WPA/WPA2 security with WEP/TKIP/AES encryption.
• Firmware upgrade via UART Download/OTA.

Applications:

• Home appliances
• Home automation
• Smart plugs, smart lights
• Industrial wireless control
• Baby monitors
• IP cameras
• Sensor networks
• Wearable electronics
• Wireless location-aware devices
• Security ID tags
• Wireless positioning system beacons

Package:

• 5 mm x 5 mm