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ESP8266 ESP-01S WiFi Serial Transceiver Module with 1MB Flash

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$9.14 (inc GST) $8.31 (exc GST)
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Product Description

Here at Tronixlabs Australia we have the widest range of ESP8266 parts in Australia, including this new upgrade to the classic ESP01 module - the ESP8266 ESP-01S serial WiFi module. 
This is the updated version of the ESP-01E - the PCB layout has changed for an improvement in WiFi radio performance. Otherwise it works the same, including pinout, programming etc. 
The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. Each ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that’s just out of the box)! The ESP8266 module is an extremely cost effective board with a huge, and ever growing, community.

This module has a powerful enough on-board processing and storage capability that allows it to be integrated with the sensors and other application specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, including the front-end module, is designed to occupy minimal PCB area. The ESP8266 supports APSD for VoIP applications and Bluetooth co-existance interfaces, it contains a self-calibrated RF allowing it to work under all operating conditions, and requires no external RF parts.

Warning! The ESP8266 Module is not capable of 5-3V logic shifting and will require an external Logic Level Converter. Do not power it directly from your 5V development board or USB interface cable.


  • 802.11 b/g/n
  • 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
  • 1MB Flash Memory
  • 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 & A-MSDU aggregation & 0.4ms guard interval
  • Wake up and transmit packets in < 2ms
  • Standby power consumption of < 1.0mW (DTIM3)
Please note that there is no "formal" structure for ESP8266-based software environments, and everything provided is by the community of users and not the creator or suppliers of ESP8266-based hardware. Due to this we cannot offer detailed support for coding and only offer a hardware warranty. 




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