ESP-01S ESP8266 WiFi Serial Transceiver Module


20 in stock

SKU: IOT-ESP01S Category: Tags: , , , ,


ESP8266 ESP-01S is a ultra-low power wifi transceiver module specially designed for IOT. It support the standard 802.11 b/g/n wireless protocol with STA/AP/STA+AP working mode and serial interface easy to connect to your arduino development board for your DIY wifi projects.


  • The PCB layout has changed for an improvement in WiFi radio performance
  • 1MB Flash Memory upgraded from 512KB
  • SDIO 2.0, SPI, UART
  • 32-pin QFN package
  • Wi-Fi Direct (P2P), soft-AP
  • Integrated TCP/IP protocol stack
  • Integrated TR switch, balun, LNA, power amplifier and matching network
  • Integrated PLLs, regulators, DCXO and power management units
  • +19.5dBm output power in 802.11b mode
  • Power down leakage current of andlt;10uA
  • Integrated low power 32-bit CPU could be used as application processor
  • SDIO 1.1/2.0, SPI, UART
  • STBC, 1×1 MIMO, 2×1 MIMO
  • A-MPDU andamp; A-MSDU aggregation andamp; 0.4ms guard interval
  • Integrated RF switch, balun, 24dBm PA, DCXO, and PMU
  • Integrated RISC processor, on-chip memory and external memory interfaces
  • Integrated MAC/baseband processors
  • Quality of Service management
  • I2S interface for high fidelity audio applications
  • On-chip low-dropout linear regulators for all internal supplies
  • Proprietary spurious-free clock generation architecture

Additional information

Weight 5 g


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