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I have been using the serial LCD for a few months now. It was working fine. It seems to have packed it in now. It no longer displays the Sparkfun splash screen. Instead it tries to partially display one of my previous programmed messages. Regardless of anything I do, I cannot regain control of it. I have read all the troubleshooting guides. The one that got my attention was reprogramming the thing using the Pickit 3 programmer. A brief foray into just exactly how that gets done convinced me that this thing needs to be deposited into the rubbish bin instead. Before I wander down that road, I would like some feedback on what possibly caused this.