Product Specs

ESPC2-12 User Manual
Doctors of Intelligence & Technology (www.doit.am) Copyright@2014-2022
Page 12
Fig.9.1 Minimum System
Note:
(1) The working voltage for module is DC 3.3V;
(2) The max current from IO of this module is 40mA;
(3) Wi-Fi module is at download mode: IO9 is LOW level, then module reset to power;
(4) Wi-Fi module is connected to RXD of the other MCU, and TXD is connected to RXD
of the other MCU.
10. Recommended Layout Design
ESPC2-12 module can be sold on PCB board directly. For the high RF performance for
the device, please notice the placement of the module. There are three ways to use the
module for Wi-Fi Module with PCB antenna.
Solution 1: optical solution. The Wi-Fi module is placed on the side of the board, and the
antennas are all exposed, and there is no metal material around the antenna, including
wires, metal casings, weight plates, and the like.
Solution 2: sub-optical solution. The Wi-Fi module is placed on the side of the board, and
the antenna below is hollowed out. There is a gap of not less than 5 mm reserved with the
PCB, and there is no metal material around the antenna, including wires, metal casings,
weight plates, and the like.