Hi,
I got a couple of DFRobot LCD KeyPad shields (SKU: DFR0009) from a popular internet source to work with Galileo. At first I was worried that there could be all the reported library issues that I must deal with in the IDE. But after I tested the shields on an Arduino Uno and figured out the correct initialization command to be: lcd(8, 9, 4, 5, 6, 7), I put it on my Gen 2 Galileo and it worked right away without any of the compatibility or speed issues people have reported (the original LiquidCrystal.h worked just fine). Were those problems all from Gen 1 Galileo? Now, the strange part: I also have a few Gen 1 Galileo and I wanted to see for myself what the library and speed issues are like on a Gen 1. But when I put the same LCD shield on the Gen 1 and plug in the 5V power, the entire board stayed off as if there were no power supplied to it. Unplugged the LCD, the Gen 1 booted normally, plugged the shield in, Galileo died. I figure one possibility is that this LCD shield might have demanded more current than the Gen 1 can spare, at least during boot up. Gen 2 has a 12V source which might be more robust. Does anyone have first-hand info on how the Gen 1 and Gen 2 might be different when it comes to feeding a shield? Also. would it be possible to treat this LCD shield as one of the high-current shields like a motor controller by using the VIN jumper option to feed the shield separately (to pin 10 based on the schematics)? Any suggestion would be helpful.
Regards,
Pulled_Pork