The Huzzah developement board uses an ESP-12
module which is available from
at a lower price.
ESP library documentation is available at:
There is an
that is available for $2.40. It is not clear if this module is
certified as an FCC modular device. They appear to be software
compatible with the ESP12-E modules from Adafruit.
It is also available from
is available for $2.50, $2 quantity 50 and less in larger numbers.
It carries an FCC logo and appears to be certified as a modular
device. Discusson on line at: