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    Measuring Water level in a Rainwater tank

    Hi all, I am trying to measure the water level in my water tanks using a Picaxe40x, I'm using the chip as an interface to a Home Automation system. I have toyed with the idea of floats(ADC) and capacitance(PulseIn) but both methods have issues. I like the idea of using a pressure sensor(ADC)...
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    Connecting a PC's RTS /DTR line to Picaxe input pin

    I want to use a Pc's RTS line connected to a Picaxe40x to trigger an interrupt jump to a Serin Statement to pass configuration data to the Program, Do I need anything special for the interface circuit or do I use the 22k /10k resistor network as with the PC Tx data output.
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    MCLR pin held low

    I am building a Solar controller using a picaxe18X and connected to my Home Automation system. As I only want to read an process the Temperature measuments through the day I want to disable the program for extendard length of time, will holding the reset pin low cause damage to the chip and hold...
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    Displaying a data variable on a 4bit Parrallel LCD

    I am new to PICAXE programming and have just made a simple 4bit LCD Display, Displaying the Characters out of memeory are fine but I have hooked up a DS16B20 Temperature chip and can't figure out how to display the resultant value.
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