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  1. D

    Backup battery control

    Hi, I'm trying to build a PICAXE controlled clock with a graphical LCD screen. The whole circuit will run off a 5VDC mains adaptor, regulated to 3.3V (I'm using the 3V PICAXE X2 variants). I want the clock to continue counting if the power is unplugged though, but the rest of the circuit (LEDs...
  2. D

    8-bit LCD initialization

    Hello, I'm trying to drive a Powertip LCD with a PICAXE 40X1 using an 8-bit interface, but I cant get it to initialize properly. I get a line of very faint black boxes. I have managed to get the LCD working using the code given in the PICAXE manuals with a 4-bit interface, so I think it must be...
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