nodemcu-firmware/components/platform/partitions-2MB.csv

1	# Espressif ESP32 Partition Table
2	# Name, Type, SubType, Offset, Size
3	nvs, data, nvs, 0x9000, 0x6000
4	phy_init, data, phy, 0xf000, 0x1000
5	factory, app, factory, 0x10000, 1M
6	# 0xC2 => NodeMCU, 0x0 => Spiffs
7	spiffs, 0xC2, 0x0, , 960K