Matrix user forums

Hi folks. Could somebody please show me how to "ramp up" a white led and then FLASH at the end. I've attached a waveform incase my explanation is somewhat confusing. I'm building a small light house for our village to raise some funds for christmas lights for the kids.The software side has got me co...

Hi Benj, sorry for the late feedback. I stripped the circuit right back to one led and added one part at a time. Finally I discovered I had the switch hardware wrong and the software. All is good now so thanks for your time.........John

I'll check out what you have suggested tonight and post accordingly.

Appreciate your time.............John

Hi Benj, have done what you said and the "cable not connected" issue seems to be resolved. However, when I compile to chip there seems to be a brief flashing of LEDs but then all goes dead. I've checked that for some reason when the PICKIT2 programmer stops compiling to chip, the power is switched o...

Thanks Benj, will give it a try tonight. Does it make any difference that I am using PICKIT 2 and not PICKIT 3 programmer?? Many Thanks........John

I've tried disabling the drivers "enforcement" but the same problem persists. Really could do with some help on this one. Thanks folks......John

Hello everyone. I'm hoping somebody can help me with this. I've done a program that flashes 4 LED's to simulate a small fire. One LED stays on all the time. The program compiles to C and HEX fine but will not burn to the chip. I'm using Windows 8.1 64 bit. PIC 16F690 PICKIT 2 programmer with Microch...

Thanks Electron67. I'll give it a go and see how it works out.

Thanks a lot.....John

I'm hoping somebody can help me with this. I'm trying to create a flowchart where I can adjust the frequency of the PWM by using a potentiometer. My objective is to control a small stepper motor. I've done as much as I can would appreciate further help. Attached is my flowchart......thanks guys........

Here's a BIG THANKS to all you guys who patiently helped me so much with my projects.

I hope you and your family enjoy the new year celebrations and find 2016 brings you health and prosperity. Cheers.....John

Thanks Benj, got it to work fine.
Take care.........John

So in terms of the flowchart I did, which pin of the PIC do I connect to the step pin on the easy driver board?

I'm hoping somebody could explain how to coect the easydriver to my 16F767 PIC. I uderstanding how to connect the stepper motor and the external power supply but do not understand how the assigned PIC pins are connected to the driver board itself. All I can find is Arduino diagrams. The confusion fo...

SUCCESS!!!! Redid all the wiring. Made all connecting wires considerably shorter. = LED FLASHING. Seems the original chip was fine after all the fiddling around I did with it. Am now going to try out the servo program. Big thanks to Martin and all the others who patiently helped me along with this. ...

OK, I'll redo the hardware and perhaps try another 16F767 incase I blew it with my fiddling around.

I'll post later and let you know.

Thanks very much for your help........John

Nope, nothing happened. There was an error message when the program ming finnished. I've attached it for you to look at. I dont know if its worth mentioning, when I open up the PICKIT 2 software, I get a confirmation of the programmer connected OK but no chip is found. Hope this helps. If it flashes...

Sorry, forgot the extra C Code in the beginning. Done now but LED wont flash

Will attach my flowchart and the hex file for you.

Thanks a lot....John

Hi, have inserted the circuitry for MCLR pin and tried to reprogram, LED came on but nothing further. Also tried disconnecting MCLR circuitry still nothing. Then changed MCLR pin to RC3 in the configuration settings still nothing. I must be doing something wrong on the hardware side I think so I hav...

OK, seems you were spot on about the file name,changed the file name and everything seemed to work. Target light was on, Red led came on when programming. LED not flashing though. Tried pulling MCLR up to 5V but that did not work either. I'll redo my hardware later tonignt and post a photo for you t...

OK I'll do that. In the mean time here is the message I get when the programming doent happen. It says that the hex file was not tranfered etc.

Hi Martin, I have attached the .msg file for your perusal. I did not get the sysmbols you showed in your last post. I am using ESET Smart Security 8. While you peruse the attached file, I'll find out how I can disable the antivirus. As far as the firewall, the only one I know of is the one that come...

Tried connecting the chip up to a seperate 5V power supply but still did not work. Target light on the programmer is on but the programmers red busy led does not come on when choosing to burn the chip. I meant to mention, the only way I can get power(5v) to come on via programmer is if I open the PI...

Thanks kersing,I'll give it a go and let you know the results.

I can do the compiling to C and the compile to Hex with no error messages. When I go to burn the chip that also happens with no errors at all. But, what I did notice is; Need to use the PICKT2 software to turn target light on programmer on. When I try and burn the chip, there is no red busy light fl...

Here is the program for the LED flash test.