Arduino | Collect, Store, Display, Simultaneously | DHT22 MicroSD TM1637 DS1307
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Collect two temperatures/humidity and save to micro SD card while also displaying temperature/humidity on seven segment display.
00:13 DS1307, micro SD, TM 1637, Nano
00:31 putting everything together
00:45 schematic
03:17 plug in DHT 22
04:22 plug in micro SD
05:42 plug in DS 1307 clock
07:12 install Arduino IDE software
08:00 install libraries for clock, dht22, and TM 1637 (zip)
09:23 code description
11:11 upload code
11:56 serial monitor
12:24 test everything
12:54 create graph with data