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ESP-01S (esp8266): high-resolution pinout and specs

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The ESP-01S module is an enhanced version of the popular ESP-01 module, featuring improvements in various aspects such as flash memory and stability.

esp-01s pinout

Link to the high resolution image

Here my selection of devices WeMos D1 mini - NodeMCU V2 V2.1 V3 - esp01 - esp01 programmer

Like its predecessor, the ESP-01S is based on the ESP8266 chipset and is designed to add Wi-Fi capabilities to microcontroller projects. It is widely used in IoT (Internet of Things) applications and offers a simple and cost-effective solution for wireless connectivity.

Specs

Pinout description

How To

esp8266 Tutorial

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  7. Firmware and OTA update management
    1. Firmware management
      1. esp8266: flash firmware binary (.bin) compiled and signed
      2. esp8266: flash firmware and filesystem binary (.bin) compiled with GUI tools
    2. OTA update with Arduino IDE
      1. esp8266 OTA update with Arduino IDE: filesystem, signed and password
    3. OTA update with Web Browser
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      2. esp8266 OTA update with Web Browser: sign the firmware and HTTPS (SSL/TLS)
      3. esp8266 OTA update with Web Browser: custom web interface
    4. Self OTA uptate from HTTP server
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      3. esp8266 self OTA update in HTTPS (SSL/TLS) with trusted self signed certificate
    5. Non standard Firmware update
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      2. esp8266 firmware and filesystem update with FTP client
  8. esp32 and esp8266: FAT filesystem on external SPI flash memory
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  10. […]

Datasheet

ESP-01 Product specification

ESP8266EX Datasheet

Thanks


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