I personally use this base station in conjunction with JMRI on my N scale layout. The usb port is connected to the PC running JMRI. In this case there is no need for wifi. •D1 R32 ESP32 CH340G WiFi + Bluetooth Module •Deek-Robot Motorshield L298P 2A H-Bridge - 2A max load •0.96 OLED Display Module 128 x 64 I2C •Purpose designed 3d printed enclosure with mounting tabs.