Alright, this is now solved. Turned out it was a faulty PIC. After a few more tries I wasn't able to verify the written program any longer. I inserted another PIC 16F627 and at least the blink a led is working! Thanks for the suggestions everyone!
On Monday, August 31, 2015 at 8:47:12 AM UTC+2, Peter Straathof wrote: > > Thanks! Not 100% sure but I downloaded the hex from the external > oscillator blink-a-led. > Also checked the signal with my scope and it's 20Mhz spot-on. > I'll have another go at it later his afternoon and post any updates as I > find them. > > Best regards, > Peter Straathof > > > On Monday, August 31, 2015 at 6:06:06 AM UTC+2, Kiste wrote: >> >> Could it be that Wouters hex file runs on the internal oscillator and >> your crystal isn't working properly? >> Greets, >> Kiste >> >> ------------------------------ >> *Von:* Peter Straathof <[email protected]> >> *An:* jallib <[email protected]> >> *Gesendet:* 21:57 Sonntag, 30.August 2015 >> *Betreff:* [jallib] Re: New to JALV2 and JALLIB >> >> Thanks, I've now installed that one (after having deleted the previous >> folder) and I get the same .hex file as Rob. Still no blinking led though. >> which makes me believe it might be hardware related after all. More >> specific the MCLR circuit. This pin is tied to Vcc via an 33k resistor >> according to Wouters schematic. I changed it to an 10k resistor and a >> switch to pull it directly to ground for the reset. This works fine for >> Wouters code but not for the one I compiled from the example. >> After I programmed the new code and it wasn't working I changed some of >> the layout of the breadboard and added a few more decoupling capacitors. >> Next time I turned on he power supply it did blink 2/s but when I tried to >> change that to once every 5 seconds again nothing. I'll triple-check my >> hardware again tomorrow, might be something as simple as a bad connection >> in the breadboard. >> >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "jallib" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/jallib. >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/jallib. For more options, visit https://groups.google.com/d/optout.
