| Part Number | ESP8266 |
| Manufacturer | Espressif Systems |
| Title | Technical Reference |
| Description | application demos and other information is included. The document is structured as below. Chapter Title Subject Chapter 1 Overview Overall i... |
| Features |
Updated Section 1.1 General Purpose Input/Output Interface (GPIO).
• Updated Section 1.3 Serial Peripheral Interface (SPI/ HSPI); • Added documentation feedback links. • Updated Section 3.3.2 Instructions on The Read/Write Buffer and The Registratio... |
| Datasheet |
 ESP8266 Datasheet
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