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

Read Also
ESP01. Which programmer to choose? Modification to switch to Flash Mode

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: 21 September 2021 3 h 13 min
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