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Author Topic: LCD 4X20 + Ethernet Shield  (Read 1655 times)
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Dee Why NSW
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i got a 12v power adapter and hooked it to a power socket. after i saw the smoke coming out

I'm going to order a new LCDsss lol, and another back up board. Which board is the best ? i

if you know a way to actually check if the LCD is bad ..
 

I guess I should have said 9v wall wart but Arduinos are officially good for 12v and I reckon there were other things going on, possibly still to do with the pins. Despite this there is no good reason to get anything other than a standard cheapo Uno or Mega off eBay. I guess the best way to test an LCD is by substitution. I would suggest getting one with an I2C adapter included. It rather lessens the chances of strife like this.....
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Western New York, USA
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Despite this there is no good reason to get anything other than a standard cheapo Uno or Mega off eBay.
Unless you want to support the people who are designing the stuff in the first place.

Don
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