Shiftout "The bits that are shifted out are always the low order bits...
In the PBP3 manual description of the shiftout command, it says "The bits shifted out are always the low order bits, regardless of the mode used, LSB or MSB". What does this mean? If I do not use the...
View ArticleKeypads HELP! hehe, Need advice and possible code.
I have 5 4x4 matrix Keypads (Grayhills), and I have 5 74C922N IC's (Keypad Interfaces) Now I am trying to use them but they want to use a few capacitors and other IC's in conjuction with the 922 Chip,...
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New Micro Battery!
Hi All! Just as an FYI, batteries and power are becoming smaller! http://news.illinois.edu/news/13/041...lliamKing.html Best, Ed
View ArticleInterfacing to thermal printer
Hi everyone, I read that PIC can be interface with thermal printer with RS232(interface)...but to make sure can anyone suggest where (link) I can get one? And do all printer(thermal printer with Rs232...
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DT-INt and Interrupt on Change
I have used DT-Ints for a couple other projects and I finally had a need to use interrupt on change. I thought it would be fairly easy compared to the RX_int and timers, but I seem to be missing...
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Critique my code, please.
I am planning to build a copper/zinc penny separator that uses eddy currents, and the first step is a timer that can measure the speed of a falling penny. I have breadboarded the timer in the attached...
View ArticleCreating a Menu (Looping?)
Ok now that I have my INT's working, LCD's, & Keypad. I need to make a menu and have it go to that area(loop/Label) when last code completed and program returns to main loop. here is my code that I...
View ArticleUsing WPU and ADC
I have a piece of code I am having issues with and suspect it may have to do with the ADC and WPUs I am using. I am using a phototransistor to ground and attempting to read a relative value with an ADC...
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Interesting result on a 16F688 with ADC and LCD
Ive got some code I converted from a 18F4550 thermostat, want to use it on a 16F688, on running the RA4 port never goes high, and the LCD displays a block on row1 about location 14 on a 4x20 LCD....
View ArticleErratic behavior on a HPWM on a 16F88
HI, Wrote a short program to be able to input two ADCIN so I could have a variable duty cycle and variable frequency at my HPWM. Duty cycle works fine, but the frequency output is very erratic, example...
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programmable parallel I/O ports on the PICDEM2 Plus board
I need help with the codes it has to be in assembly can someone help?!! problems attached as pdf file: Attachment 6979 thanks ppl Attached Images Lab7.pdf (150.6 KB)
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Error [113]
Hi, I cannot understand the reason for an Error [113] message. I am using a PIC18F2685 with PBPL. DataTP CON EXT ; Tables P DataTC CON EXT ; Tables C DataTB CON EXT ; Tables B DataTS VAR LONG BANK0 ......
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How to Measure 2 or more digital inputs a the same time
Hi Guys , I need to measure the pulse width of 4 signals that start at the exactly the same time but have varying pulse width , how can i do this using Pulsin or RCtime commands ? the pulse widths are...
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