Adafruit ESP8285 SMT Module

Adafruit ESP8285 SMT Module is a compact module based on the Espressif Systems ESP8285 SoC (System-on-Chip), which is an 80MHz microcontroller with a full Wi-Fi® front-end (both as client and access point), 1MB of Flash memory, and a TCP/IP stack with DNS support. The module also includes an integrated PCB trace antenna and is pre-programmed with NodeMCU Lua firmware. 


  • Espressif Systems ESP8285 controller
  • Integrated, trace antenna type
  • IEEE 802.11b/g/n protocol
  • 2.412GHz to 2.484GHz frequency range
  • Wi-Fi RF standard
  • 2.5V to 3.6V supply voltage range
  • 50mA to 56mA Rx current range
  • 120mA to 170mA Tx current range
  • -98dBm sensitivity
  • 72.2Mbps typical data rate
  • 1MB Flash memory size
  • 64-QAM, BPSK, CCK, DSSS, and OFDM modulation
  • Surface Mount
  • -40°C to +125°C operating temperature range
  • 21.5dBm power output
  • ADC, GPIO, I2C, I2S, PWM, SDIO, SPI, UART, and USB serial interfaces
  • 20.0mm x 12.2mm x 2.9mm (0.8" x 0.5" x 0.1") module dimensions
  • 0.9 grams (0.0oz) weight


  • Serial transparent transmission
  • Wi-Fi probers
  • Smart power plugs/smart LED lights
  • Mesh networks
  • Sensor networks
  • Wearable electronics
  • Securit ID labels
  • Wireless location recognition
  • Wireless location system beacons
  • Industrial wireless control


Module Structure

Adafruit ESP8285 SMT Module
Published: 2019-12-10 | Updated: 2023-06-23