• ESP8266 ESP01 WiFi module

These are standard ESP8266 ESP01 WiFi modules as shown on the Espruino ESP8266 page. Add WiFi to your Espruino with just 5 wires!


ESP01 can be connected directly to:



Other boards such as the Espruino Original and Pixl.js do not contain powerful enough 3.3v voltage regulators to reliably power the ESP01, so while it can be added you'll need a separate 3.3v voltage regulator. Puck.js does not contain a voltage regulator at all so could only be used with an external 3.3v supply.


These modules have 0.40 firmware - the AT+GMR command reports:


AT version:0.40.0.0(Aug  8 2015 14:45:58)

SDK version:1.3.0

Ai-Thinker Technology Co.,Ltd.

Build:1.3.0.2 Sep 11 2015 11:48:04

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ESP8266 ESP01 WiFi module

  • Product Code: ESP8266-ESP01
  • Availability: 12
  • £5.99

  • Ex Tax: £4.99

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Tags: ESP8266, ESP01, WiFi, Module