This page is to Setup and Config NodeMCU on iMAC OS
Hardware and Software
Hardware
NodeMCU on iMAC OS
Software
Arduino IDE and ESPlorer
Install Driver : https://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx#mac
If not working then https://tzapu.com/making-ch340-ch341-serial-adapters-work-under-el-capitan-os-x/
Download ESPLORER
This example is ..........