On Wed, Sep 19, 2012 at 2:49 PM, Peter Johansson w= rote: > I recently purchased a bunch of 16x2 LCDs and did not notice until I > received them that the PCB has pads for a 3.3V to 5V regulator. Does > anyone happen to know what regulator chip is commonly used on these > boards? This could prove convenient in the future. Are you sure it's a 3.3 to 5v converter? There's no inductor, and a switched-capacitor converter wouldn't be able to provide much current. Though I suppose it could be a switched capacitor converter. --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .