Dobrica Pavlinušić's random unstructured stuff
Teckin SP22: Revision 3
LA_WF3_08.png

Board markings

PLD-PZ005-V1.9.
12/13/2018

wifi module

TYWE2S

pins on flat side (bottom)

3v3
gnd
rx
tx
12
14

pins on side with components

rst
ad
13
04
05