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| Search found 13 matches |
| Author | Message |
|---|---|
 Topic: Square Wave Voltage reduction |
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| jet_pack234 Replies: 9 Views: 8571 |
 Forum: General CCS C Discussion Posted: Fri Sep 30, 2005 7:18 am Subject: Square Wave Voltage reduction |
| Finally, may I ask you for one last piece of advice?
I am trying to program the following protocol. http://www.sensorpulse.com/support/Documentation/MSP_Protocol_Theory.htm#Output_Delta I a ... |
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| Topic: Square Wave Voltage reduction |
|
| jet_pack234 Replies: 9 Views: 8571 |
Forum: General CCS C Discussion Posted: Fri Sep 30, 2005 5:46 am Subject: Square Wave Voltage reduction |
| the only thing i dont understand now is if I put a multimeter across the input pin and ground, what would my input voltage be, assuming I am using the best approach of a reversed biased zener and a 10 ... | |
| Topic: Square Wave Voltage reduction |
|
| jet_pack234 Replies: 9 Views: 8571 |
Forum: General CCS C Discussion Posted: Thu Sep 29, 2005 4:20 pm Subject: Square Wave Voltage reduction |
| Why do I need to bother with the two resistors - which are acting as a potential divider (hence the chosen values?). I thought the whole point of a zener diode was so that if it is reversed biased it ... | |
| Topic: Square Wave Voltage reduction |
|
| jet_pack234 Replies: 9 Views: 8571 |
Forum: General CCS C Discussion Posted: Thu Sep 29, 2005 11:16 am Subject: Square Wave Voltage reduction |
| How can I input a 24V square wave signal onto an i/o pin of a 16F84A? Could I use an external resistor on the input pin to pull up a voltage or would I have to use an op-amp. Thanks for any suggesti ... | |
| Topic: I dont understand this piece of code from LCD.c driver |
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| jet_pack234 Replies: 3 Views: 6278 |
Forum: General CCS C Discussion Posted: Thu Sep 22, 2005 7:59 am Subject: I dont understand this piece of code from LCD.c driver |
| But where does the oxf81 come in? I am using port b on a 16f84a, is this the address of this port or something? | |
| Topic: I dont understand this piece of code from LCD.c driver |
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| jet_pack234 Replies: 3 Views: 6278 |
Forum: General CCS C Discussion Posted: Thu Sep 22, 2005 4:39 am Subject: I dont understand this piece of code from LCD.c driver |
| Hi,
Having dumped my own LCD driver code I'm going to use the LCD.c driver included in ccs. I pretty much understand what its all doing apart from the following code. Would be extremely grateful ... |
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| Topic: Powertip LCD with 16F84A |
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| jet_pack234 Replies: 5 Views: 9636 |
Forum: General CCS C Discussion Posted: Mon Sep 19, 2005 11:10 am Subject: Powertip LCD with 16F84A |
| Hi,
This is driving me crazy! Aim: to use a 16 by 2 powertip LCD module for in write mode to display a character. Have studied the data sheet for many hours and played with my code but just can ... |
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| Topic: EEPROM 93C46 |
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| jet_pack234 Replies: 1 Views: 7563 |
Forum: General CCS C Discussion Posted: Sun Mar 13, 2005 5:41 am Subject: EEPROM 93C46 |
| How would you go about getting a radio code from a 93C46 | |
| Topic: inputs on 16F628 |
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| jet_pack234 Replies: 1 Views: 8366 |
Forum: General CCS C Discussion Posted: Mon Feb 21, 2005 8:17 pm Subject: inputs on 16F628 |
| Hi,
I am able to send a string via RS232, but when I try and read portA inputs and send the corresponding value I get garbage. I had a look at the data sheet and the inputs are designated as schmi ... |
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| Topic: General discussion about add on memory |
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| jet_pack234 Replies: 3 Views: 6797 |
Forum: General CCS C Discussion Posted: Sun Feb 20, 2005 11:06 am Subject: General discussion about add on memory |
| Hi,
Can anyone tell me if it is possible to add additional memory chips to say a mid range PIC such as the 16F628? What if you wanted an enormous look up table or something, or you wanted to store ... |
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| Topic: Dealing with recieved data from RS232 |
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| jet_pack234 Replies: 3 Views: 6229 |
Forum: General CCS C Discussion Posted: Sat Feb 19, 2005 10:00 am Subject: Dealing with recieved data from RS232 |
| Hi,
Thanks to the help I got from this forum I have successfully managed to communicate via a 16F628 pic to my PC with RS232. I can now transmit data and read it using hyperterminal. The next thi ... |
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| Topic: Fuses for internal 4 MHz Oscillator |
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| jet_pack234 Replies: 2 Views: 5517 |
Forum: General CCS C Discussion Posted: Tue Feb 15, 2005 5:57 pm Subject: Fuses for internal 4 MHz Oscillator |
| I'm using a 16F628 | |
| Topic: setup_uart(); not working |
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| jet_pack234 Replies: 1 Views: 6264 |
Forum: General CCS C Discussion Posted: Fri Feb 11, 2005 7:19 pm Subject: setup_uart(); not working |
| When I use the setup_uart function I get an 'undefined identifier' error when I try to compile. I'm using RS232 at the top. Ijust understand why it doesn't like it. I am fairly new at PICS so any h ... | |
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