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    Fyi: Pic12(l)f1501 4 pwm

    I was just looking at some of these "small" devices and noticed that the PIC12F1501 has four (4) independent PWM outputs. The frequency is the same among them but duty cycle is adjustable...
  2. Re: Peculiar issue with U2 programmer - PIC12F1840 / Win 7 Ultimate x64

    SOLVED.

    For those interested, with the help of Charles Leo this is solved. As it turns out, this is one of the cases in which if you have DAT and CLK pins configured as outputs, and MCLRE turned...
  3. Re: example of capacitive sensor example for 18fxxK22 series

    Not the answer you're looking for, but have you looked at the capacitive sensors available from Azoteq? You can buy them through Mouser. A single channel costs something like 43 cents. They can do...
  4. Peculiar issue with U2 programmer - PIC12F1840 / Win 7 Ultimate x64

    There isn't a meLabs programmer section so I thought I'd start here. I'm using the U2 programmer (latest code) with MicroCode Studio. MPASX (latest), PBP3.0.7.4.

    Currently I'm doing a few projects...
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    Re: Ruined U2 Programmer?

    Before you close the thread...

    Did you try turning off Capture/Compare/PWM?

    CCP1CON = 0?

    To the point of not pulling down to 0 volts on the pins, turn off global pull-ups:

    OPTION_REG.7 =...
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    Re: PIC16F527 don't do nothing...

    I'm posting a follow-up to this in case it may help someone else. Though I'm really not happy with this device (the clock jitter in INTOSC mode is too severe for my tastes) here's what I've found...
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    PIC16F527 don't do nothing...

    After banging on this thing for a few hours I'm beginning to think this device is really chewing gum with metal legs. ;) This is kindof' an odd device; its like a "PIC12Fxxx" but with a "PIC16Fxxx"...
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    Unorthodox use of IOC Port.B

    I'm working on a couple of projects that use interrupts, specifically interrupt on change Port B. Many projects can be broken down into what I call "push a button/do something". Often times, the...
  9. Re: Wireless modules and simple setup, what is required?

    This application only required a range around 25 feet. We did an ad hoc test of the system and got more than a 300 foot range using a ~0.75" ceramic antenna internal to the "remote" unit and a stub...
  10. Re: Windows 8, and 64 bit OS compatibility Question

    Just keep in mind you must run everything as "Administrator".
  11. Re: Windows 8, and 64 bit OS compatibility Question

    Just keep in mind you must run the stuff as "Administrator"...
  12. Re: Wireless modules and simple setup, what is required?

    I just finished a project using Linx Technologies 900 MHz transceivers. Mouser has them:...
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    Re: PBP3 version history?

    Thanks very much. I had looked on melabs website and though I'd find it there. Anyway, thanks again.
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    PBP3 version history?

    Is there a version history posted somewhere for whats changed in PBP3? For example, from 3.0.1 to 3.0.6.

    Thanks.
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    Re: 144 LED Games Console Project

    @SVRZIC: This is becoming a language problem of epic proportions. I've negotiated a full weeks "company" with a lovely Asian girl in China in less time and with less confusion than what's going on...
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    Re: 144 LED Games Console Project

    This is really an edit, time expired when I went back...
    ***********************************************
    @funnydrummer: You don't need resistors on the base of an emitter follower so you can delete...
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    Re: 144 LED Games Console Project

    @funnydrummer: You don't need resistors on the base of an emitter follower so you can delete those entirely. If you're opposed to using resistors for current limiting (which is the only reason I can...
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    Re: 144 LED Games Console Project

    LOOK MATE. If anyone here is whining its the people that know nothing about electronics, tackle these kinds of projects and then get on here or any other board asking for help on the simplest of...
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    Re: 144 LED Games Console Project

    I don't know if it's the language barrier or what, but hell, I'll give it a shot, again.

    First, I don't know what the files are you keep posting, they have SCH and BRD extensions. I'm guessing...
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    Re: 144 LED Games Console Project

    Your schematic looks a little odd for the displays. As shown it looks like the leds being used are offset in different directions so if the they are physically pushed together there would be rows and...
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    Re: 144 LED Games Console Project

    Ok, after way too many emails from way too many people I've posted the files again. Here they are: http://www.scarydesign.com/144led/144LEDGERBERS.rar. Get them, save them, repost them somewhere...
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    Re: 18F1220 A/D Converter

    Well, I'm intrigued. This has also raised some questions as to my ability to read a data sheet...

    Going back to Table 17-1 in the datasheet. MC refers to "TAD vs. DEVICE OPERATING FREQUENCY". In...
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    Re: 18F1220 A/D Converter

    I'll take a couple of shots in the dark... don't be offended...

    You know for certain that the TRIS is all set correctly? You only show the ADCON registers...

    You have ADCS2:ADCS0 set for...
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    Re: Frustrated Modbus

    Look at the attached schematic. Whenever you design a circuit around an opamp you should use a compensation cap in the feedback loop as well as good power supply decoupling. In most documents this...
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    Re: Frustrated Modbus

    I'm guessing you mean "MCP4902"? A couple of basic questions... you have compensation in your feedback loop? If you don't have a cap there you're asking for problems, especially with a 741. If you...
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