Nodemcu ( esp8266 ) and max7219 led matrix display
Using a max7219 display on spi with a nodemcu ( esp8266)
to show and update the subs and views of my YouTube channel.
Where to get nodemcu esp8266 for less than 3 $ :
http://s.click.aliexpress.com/e/33zrzzN
get the led display for less than 4 $ :
http://s.click.aliexpress.com/e/iUrb62z
links:
working with ThingSpeak:
• Step by step guide : Fetching a web page w...
The max7219 lib :
https://github.com/SensorsIot/MAX7219...
the code:
http://pastebin.com/raw/V1Qja7Dw
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