WiFi Serial Transparent Module

Builds on the ESP-01 with a PCB antenna and additional I/O for improved RF performance and richer interfacing — a common choice for embedded WiFi designs.

WiFi Serial Transparent Module
MODEL · ESP-01S

WiFi Serial Transparent Module

Builds on the ESP-01 with a PCB antenna and additional I/O for improved RF performance and richer interfacing — a common choice for embedded WiFi designs.

PassthroughPCB AntennaMore I/O
Product Documentation

Datasheets, schematics and manuals in PDF format. Click to download — no forms required.

  • Documents for this model are being prepared — contact our engineers.

Specifications

Specifications below are for the standard version. Custom variants are available on request.

Wireless ProtocolIEEE 802.11 b/g/n
Operating ModesStation / SoftAP / SoftAP + Station
AntennaOn-board PCB antenna
InterfacesUART / GPIO / ADC / PWM

Typical Applications

Smart plugsWall switchesData acquisitionIoT gateways

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