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Audio to Digital - any sample around?
Hello, I would like to use HOPE's RFM70 RF transceiver modules as multiple headphone system - kind of audio "broadcasting" system for museum's visits or so (one sender, multiple receivers). I have...
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How not to prototype your next PIC project
This guys needs a lesson from DT. ;) Attachment 6732 Here's the original story. Attached Images Â
View ArticleBCD to 7-segment issues
I am driving a 7-segment display with an HC4511 BCD to 7-segment decoder. The input of the 4511 is connected to PORTB 0-3. I have a byte value that contains the number I want to display. Would...
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Gas Sensor Types?
I would like to know which type of Parallax or other brand gas sensors sense the following conditions? 1. Idling vehicle by building air intake? 2. Low oxygen in a meeting room? 3. Stale air in a...
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Compiling and code oddities
I'm having trouble with a code error during compile of a test program I'm writing. Although I can't see what's wrong with the SHIFTOUT line, the PBP compiler says it excpected a ] when as far as I can...
View ArticleWake from sleep (Well, sorta) 16F88, PICBASIC PRO
I have written a program which puts the '88 in sleep mode, and it wakes up when the button attached to RB0/INT is pressed. No problem there. However, I don't want the device to wake up if the button is...
View Articleserout2 apparently changing other I/O?
Funny problem: The program below runs on a PIC12F1501. If I remove all of the SEROUT2 stuff, It runs fine, with RLY action as expected. It also works as is, but the RLY (PORTA.0) output only pulses for...
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Interfacing a Nokia 6233 LCD display
Hello, does anybody know where can I find the hardware specs for the LCD display used in the Nokia 6233 cellphone? I am interested in interfacing it with a micro controller. Best regards, Dan.
View ArticleA (possibly) odd way to access a port
I'm using the lower 6 bits of PORTC (16F886) as select lines for other chips. These bits would be set as outputs. Can I use the following to access individual bits of PORTC? (I suspect not - but I've...
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Multilayer PCB,Rigid-flex PCB,High-density PCB MCPCB Manufacturer
Dear Sir or Madam HuanYu Future Technologies Co., Ltd is one of the China leading Printed Circuit Board Manufacturing Enterprises. Main supply Double-sided PCBs, Double-sided flexible PCBs...
View ArticleLooping through MyVar.n - will this work?
Hello all. I dug around a bit and couldn't find a solid answer. I'm hoping this is a quick answer from someone. Can I loop through the bit position in a variable by using another variable to represent...
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Greeting...I am trying to Connect two PIC microcontrollers
Hi Everyone, I join here looking for ideas and help on a project that I am trying to build. What I want to have the main system which I am showing here with the schematic. I want to have a 3x4 keypad...
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