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When I was teaching myself to use Fritzing I designed some boards for Picaxe projects. Ive never had any made into actual boards yet but I probably will sometime. The board for the 20 pin Picaxe incorporates options for either the 3.5mm jack or the 3 pin header for the programming socket. It...

Yes, it could have been a faulty capacitor but I threw it away so I can't be sure. I have a million of them so maybe I'll try to reproduce the fault. Thanks.

Hi. Some time ago I had a problem programming a 28x2. I solved this by changing the ceramic disc decoupling capacitor for a polyester one. I am puzzled as to why the ceramic capacitor didn't work. It was labelled as 104 which I believe is correct. The reason for my current concern is that I...

Picaxe store only stock IRF520 as a high power FET. I've ordered some IRLZ44Ns from eBay. Thanks for confirming what I thought.

Hi. I bought some IRF520/STP14NF10 transistors from the Picaxe store but, looking at the data sheet, I don't think they are logic level FETs. Can anyone confirm, please?

Project now finished successfully. Thank you all for your assistance. When I entered the actual numbers into the lookup line, I saw there were large groups of %00000000s so I deleted them, split the lookup into 2 lines with a pause command between them. This brought the line length down to...

I did try Technical's method but I get an Unknown Symbol error on Syntax Check.

I hadn't realised it was such a long line until I pasted it into the forum message. The editor line wraps it to look like a normal line. Using decimal numbers would be difficult as the binary 1s represent lit leds and decimal numbers are difficult to visualise. The manual states that 256 entries...

The Lookup lines will eventually contain many different numbers reflecting the patterns I eventually decide on. I have used the repeating ones to flash the leds on and off so that I can determine the speed it runs at and set this by changing the delay value. It was mentioned that the code...

This is the code that fails: ;lightning cloud v1.0 ;for picaxe-08m2 ;chris landscheit feb 2023 initialise: ; set up ports, variables and processor speed #picaxe 08m2 ; define picaxe chip for compiler setfreq m4...

OK. Thank you. I'll do that in the morning.

When I have worked out how to do so I shall attach the program as it currently stands.

I thought I would try it on an actual chip but I get the same error when I try to upload it. It is probably doing a syntax check before uploading.

Hi. I have encountered a problem with using the Lookup command. The manual states that: Each lookup is limited to 256 entries, but each entry may be a bit, byte or word constant or variable but if I try to use 256 entries I get an error message stating: Preprocessor has stopped responding -...

And it seems that with a 28x2 I don't need to use adcsetup anyway.

Hi, Hippy, thank you for the explanation. As I suspected, I had misunderstood the manual. I don't have a 28x2 -5v so I hadn't fully read the detail, just saw the example at the end. I never remember that the command descriptions are available from the home page. I always use the manual but there...

Hi. I believe I have found an error in the ADCSetup command description in Manual2. Or it might be that I have misunderstood what it means. In the section for the 28x2 it says: Example: let adcsetup = %0000000000001111 ; set ADC0,1,2,3 But in the section for 28x2 -5v it says: Example: let...

This is what they look like.

Hi, Alan. I think you are right in saying I'm being optimistic about the ULNs but I expected a 1v drop at the output. As to the power dissipation, it is probably best that the circuit is performing sub-optimally! The low voltage output means that the LEDs are not reaching anything like full...

Hi. I'll have a look at Pebble, Alan, and see what it does. I've resolved the problem. It seems that there were 2 issues. I connected my usual power supply but had to remove the ULN chips because the PSU can't take the current. I still had the programming problem. I then added a 100nF polyester...