ESP-WROOM-S2
by ESPRESSIF(乐鑫)Adding a wireless link to a controller or sensor node is a typical role for the Espressif ESP-WROOM-S2 WiFi module. Its surface-mount format places the module directly on the application PCB, making its position part of the wireless section's layout planning. The supplied schematic symbol exposes 21 pins, while the WIFIM-SMD_20P-L16.0-W23.0-P1.50 footprint contains 21 pads. Both are included in the free verified KiCad download, together with a 3D model for viewing the module within the complete board. In real designs, 2 ProtoFlow engineers have used this conversion. The module can be opened directly in ProtoFlow for schematic and PCB work.
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