3.1. Physical dimensions and pin layout

PCB size [mm (inch)]:

Width Height
22.53 (0.88) 41.90 (1.65)

Adapter occupies 16 rows and full width (10 columns + centerline) of standard solderless breadboard with 2.54 mm (0.1 inch or 100 mil) clip raster.

Note

Due to space constrains all GPIO pins are labeled simply IO + number on a breakout board (i.e. GPIO10 is labeled IO10).

_images/esp_pins.svg