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Assuming you haven't already tried this method follow these steps... 1) Download and unzip the HCMODU0076_CH340SER_Windows_Drivers.zip file from the first post of this forum. 2) Once downloaded unzip it to somewhere on your computer. 3) Open up device manager by right-clicking the Windows icon in th...

I must admit at the moment I’m a bit of a loss as to what the issue could be. From what you have said it’s clearly being caused by powering the magnet which is somehow affecting the Arduino and/or the stepper motors. This would be via one of 2 ways, by transients on the power supply from the magnet ...

The system works fine if the 12 V DC supply to the magnet from the relay is not attached, so there seem to be no power overload issues from the supply and signal to the relay. I just need to check a few things to understand the setup a bit better... I assume from the above comment that power is sti...

1) Which is pin 1 on the ISP header (P3)? The square pin is MISO. I've attached an image of the pinout below. This is the view from the top (components) side of the board.... Protoduino_ISP_Header.png 2) On the serial header (P1), does TX denote the actual transmit pin, or the pin that should be co...

Thanks again for confirming. I've now added this version to the first post.

Thanks. As it was an simple addition to the library I've attached an updated version (still V0.8) which includes a GetPixel() function..... HCuOLED.GetPixel(X, Y); Get the current state of a pixel where: X is the x axis coordinate of the pixel Y is the Y axis coordinate of the pixel Returns: A boole...

I've attached an updated version (V0.8) of the library to this post. Unfortunately as it's the weekend I can't test it but hopefully this should fix the problem. Can you give it a try and let me know if it's fixed and I'll add it to the first post.

WEB PAGE SAYS THERE SHOULD BE A GREEN LED POWER LIGHT AND A RED LED TRANSMITT LIGHT THAT BLINKS ON MINE I HAVE ONLY A SOLID RED LED NO GREEN ONE LIGHTS Sorry to hear you're having issues. On the latest batches both the power and programming LED are red so what you are reporting is what I'd expect t...

Great! Thanks again for trying this. That now confirms it's an optimiser issue and at least I know where to look without having to check every function. Arduino does very occasionally make updates to the IDE that breaks older libraries but to be fair this looks like it's just something I should have...

Just had another chance to look at it and thought I'd confirm my suspicion that the current issue is still down to the optimiser removing code. So what I did was download an old version of the Arduino IDE that was available around the time the library was written (1.6.0) and just to be sure installe...