Order placed from 20 Sept onwards will be ship out on 30 Sept 2021. Sorry for inconvenient caused.
NodeMcu
NodeMcu
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Features:

  • A programable WiFi module.
  • Operating Voltage:
    • 5V via USB or Vin pin
    • 3.3V for controller and GPIO
  • Flash Memory: 4 MB
  • SRAM: 64 KB
  • Clock Speed: 80 MHz
RM19.40