pros: -good and very cheap -you can change brightness from 0-7 in arduino code -have 8 led diodes and 8 mini tasters -use only 5 pins -you can connect few of this so you get bigger display -you cant broke it if connect wrong -good quality -lot of examples on internet
cons: -have connectin pins on front side but that can be solved with soldering
just be careful if connect with arduino bcuz it use more than 120mA so its better to connect on external 5v supply
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