Introduction: Make ESP8266 Mobile With ESPiggy Battery Carrier

Picture of Make ESP8266 Mobile With ESPiggy Battery Carrier

The ESP8266 Wifi Module is very useful. However, it is not mobile since it does not provide a battery holder. The ESPiggy holder provides an integrated battery holder (9V battery down regulated to the correct use voltage) and a switch. It will make the ESP8266 instantly mobile. It also provide pins for connecting to a programmer (such as a FTDI TTL-232RG-VSW3V3-WE serial cable for programming). After programming, remove all the wires and let the device be free roaming.

Step 1: Get the ESPiggy Device.

Picture of Get the ESPiggy Device.

Note the orientations. It provides a 2x4 socket for receiving the 2x4 male pins. The device contains an integrated voltage regulator, a power light, two lights for GPIO0 and GPIO1 (together with current-limiting resistors). A pair of pins is provided for shorting and flashing the memory with new programs.

Step 2: Attach the ESP8266 Wifi Module to the ESPiggy

Picture of Attach the ESP8266 Wifi Module to the ESPiggy

Let the antenna point in the direction as shown. Place a battery in the battery holder, turn on the switch. You can also place pre-programmed ESP8266 module on the ESPiggy. To order the ESP8266 module, visit


seamster (author)2015-09-22

Nice and simple idea. Thanks!

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