Content for ESP-03

ESP-03

The ESP-03 is a very affordable Wi-Fi module built around the ESP8266EX chip by Espressif. The ESP8266 has become very popular among makers who want to add wireless smarts to things at home and work. The ESP-03 has two useful modes of operation that can be initiated by controlling its GPIO pins - normal mode and flash mode. Normal mode wiring is show in the figure below. ESP-03 shown here is powered using SparkFun’s FTDI Basic Breakout - 3.3V - USB to serial module.

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See alsoESP8266

Project  Programmer for ESP-12 & ESP-03 Modules

Programmer for ESP-12 & ESP-03 Modules

“This project allows the easy programming of the widely used ESP-12 module and its smaller brother the ESP-03 module. The ESP-12 module is commonly found on WeMos D1 and NodeMCU boards to name a few. Boards like …

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