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Here is the code to create a voltmeter and ammeter. Everyone has a "display of choice" so you can use this to drive whatever display you wish to add. The color coding of the wires is only as a reference to make construction easier. I understand from Allegro that the ACS758 can handle as much as 200 amps and 72 amps is about maximum for this code. Hope this is of use and helpful to others.
Best, Ed
Re: 160 byte framebuffer at 50 fps, internal RAM or external SRAM?
160bytes @ 50Hz is only 64kbits/s (average). Even SHIFTOUT should be able to handle that.
HenrikOlsson Yesterday, 16:54Running the SPI or MSSP module at a moderate 1Mbit/s will transfer those 160bytes in less than 2ms leaving...