This project gets weather info from http://narodmon.ru sensor and display it on dot matrix 8x8 display connected to ESP8266 module. I use chinese clone of Wemos D1 mini.
Pin-Mapping:
ESP8266 MAX7219
5V Vcc
G Gnd
D5 CLK
D8 CS
D7 DIN
Used firmware esp8266-20161007-v1.8.4-147-gdc43508.bin
Upload firmware:
esptool.py --port COM4 --baud 460800 write_flash --flash_size=8m 0 esp8266-20161007-v1.8.4-147-gdc43508.bin
Release esp8266-20160909-v1.8.4.bin was very strange. It have file that confilcts with http_client.py