ESP8266 ESP-01S WiFi Wireless Serial Transceiver Module 4MB Flash 3.3V Wi-Fi Module Compatible with Ar-duino IDE (5)

Feature: The ESP-01S WiFi module is based on ESP8266 chip, so ESP-01S has all the functions and performance of ESP8266. Comparing with former version ESP-01, ESP-01s has below advantages: The PCB layout has changed for an improvement in WiFi radio performance. 4MB Flash Memory, upgraded from 512KB. Latest version ESP-01s, with stronger signal 4MB Flash chip: XMC 0H32BHIG, XM25QH32CJIG or XM25QH32CHIGU10Q, wide chip or narrow chip, ship by random. Specification: Wifi standard: 802.11 b/g/n Wake up and transmit packets in <2ms Standby power consumption of <1.0mW (DTIM3) SDIO 2.0, SPI, UART ESP8266 Chip in 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 <10uA Integrated low power 32-bit CPU could be used as application processor STBC, 1×1 MIMO, 2×1 MIMO A-MPDU & A-MSDU aggregation & 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 Integrated WEP, TKIP, AES, and WAPI engines

• 1, The ESP-01S WiFi module is based on ESP8266 chip, so ESP-01S has all the functions and performance of ESP8266
• 2, Compared with ESP-01, ESP-01S has stronger antenna signal, and its pcb layout changed for an improvement in WiFi radio performance
• 3, Flash memory upgraded from 512KB to 4MB, flash chip XMC 0H32BHIG, XM25QH32CJIG or XM25QH32CHIGU10Q shipped by random
• 4, The ESP-01S is with 2X4 Pin header, and you can plug it to the interface of Burner to download the firmware to ESP-01S/ESP01S. It isalso compatible with Ar-duino IDE, please choose "Generic ESP8285 Module" board in IDE
• 5, What you will get is 5pcs ESP-01S Wifi Serial Transceiver Module 4MB(pls note it supports 3.3V only). If you have any question, pls feel free to contact us by clicking "WISHIOT" under the shopping cart and clicking " Ask a question"