ESP01 (512KB) - ESP-01S (1MB), ESP8266 WiFi compact modules on sale

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ESP8266 Compact WiFi ESP01 (512KBe) or ESP-01S (1MB) modules. Pack. Programmer. Adapter.

ESP01 (512KB) - ESP-01S (1MB), ESP8266 WiFi compact modules on sale

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The ESP01 is an ESP8266EX module integrated on a board (breakout) which allows you to add a WiFi connection to an Arduino project. It is a WiFi module equipped with 4 autonomous digital inputs / outputs (GPIO) which is programmed with Arduino code. The ESP01 version has 512MB of flash memory. The ESP-01S version has 1MB of flash memory. We can use the GPIO to drive a relay, take environmental measurements (temperature, humidity, atmospheric pressure, etc.), display information on an SSD1306 OLED screen, etc.

ESP-01 (512KB) or ESP01S (1MB) on sale

ESP-01 pack: relay, DHT22, WS2812…

ESP01 Programmer with integrated UART converter

The ESP01 is an ultra compact WiFi development board that does not have a UART to USB converter. It will therefore be necessary to manufacture an assembly to be able to upload a program from the Arduino IDE or PlatformIO. You will need an FTDI module listed below.

Wiring to put the ESP-01 module is in bootload mode.

ESP-01 ESP8266 cablage wiring flashing mode_

The other solution is to buy a programmer that is equipped with a 3V3 stabilized power supply and a UART (serial port) to USB converter.

Before buying, you can consult this article which explains which model to choose

Adapter for easier wiring

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Specification: ESP01 (512KB) – ESP-01S (1MB), ESP8266 WiFi compact modules on sale

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Last Amazon price update was: 2 December 2020 2 h 04 min
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