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Could someone explain the */ operator to me. Im using the MAX6675 for a determining the temperature. The temperature is stored as a 12bit value. The example found here uses:



shiftin...

Thanks mackrackit and misamilanovic for the replies. I did not succeed in using I2CWRITE but was successful using SHIFTIN/SHIFOUT.
Check out my blog post HERE for more details.
But here is the...

I recently recieved a 4-digit seven-segment module that is controlled via I2C. The display has (4) seven-segment displays controlled by the SAA1064 4-digit LED-driver. The module has 4 pins, VCC,...

Yeah...cant beat free!! I have a few of those sitting around gathering dust so it seemed like a perfect reason to get rid of one. First we cut a small rectangle in the top for the relay, then my...

After a few weeks of work and family things, I finally found the time to complete the project. The ACDIN results were inconsistent at first, but I etched a new board and instead of SMD components I...

mister-e: Thanks for the document on reducing system noise. I dont know how I missed that one.

Charles Linquist: Thanks for pointing out reseting the V_Total variable. My brain sometimes gives...

I changed the code to reset V_total variable at the start of the V_read routine. I am not able to test until I get home. But i was under the assumption that if I did not reset V_Total it would then...

A friend of mine had an issue with the cooling fans on one of his cars. He originally asked if I could just wire up a switch so he could turn the fans on/off with a switch. I thought this would work...

I finally traced the problem down.

Im ashamed to post this, but it was just the ICSP cable still connected to my U2 programmer. Usually I leave it connected when programming with pics. On the...

I just assembled the same circuit using an 16f88 instead of the 16F877. Using the same circuit and code[plus changes for the 16F88], the program works perfect.

These are the register setting I use...

Thanks for the reply Demon.
I didnt think these comments from Bruce really applied to my problem.

PortA's pins were used for SEROUT and the baud selection portion of the original program. I...

Thanks for the reply Archangel. In response to your questions...

1. Why are you putting in LCD defines if you are using the USART, Do you want dual display?
The LCD is used just for...

hello, quick question about keypad matrices.

I aquired a 4x4 matrix keypad for free and was trying to understand its operation in PBP. I started by using Bruce Reynolds code at:...