test code only at 0x0 , no littlefs
this installs ok on wemos d1 mini 12F
there must be something wrong in esp web tools bin switch to program littlefs bin
strange that everything is ok on wemos d1 r2 12F uno sized board, wich is also 12F and same usb chip
wemos d1 mini 12F programs ok and uploads littlefs ok on arduino ide
Program the ESP8266 with above button
When done
TFT display gives you some info what to do
Connect your computer / phone / tablet WiFi to "ESP-WIFI-MANAGER-(?????)" Access Point, WiFi Direct Connect
Browse to http://192.168.4.1 for wifi manager and configure ESP8266 for your wifirouter
OpenWeatherMap API Key and geo location => Edit /config.txt
edit api key and location with cloud/web-editor ace js
http:/ esp_ip or esp_mdns /edit
cloud/web-editor edit /config.txt for openweathermap api key and location
Program more ESP Devices, with or without a TFT screen
http://kitchen.local, http://Garden.local, http://Garage.local, http://Hallway.local, http://Living.local, http://Stairs.local, http://Basement.local
Etcetera...
They will find eachother and auto link on each webpage