Screwdriver Antenna Controller

Started by kg4pid in Piclist7 years ago 2 replies

Since I know that there are a few ham radio operators here I thought that I would ask if anyone has used a pic to communicate with an Icom radio...

Since I know that there are a few ham radio operators here I thought that I would ask if anyone has used a pic to communicate with an Icom radio using the CI-V port (an open collector TTL level bi-directional serial data port). I am thinking of trying to build a screwdriver antenna controller and would get band and frequency data among other things thru the CI-V port. There are controllers availab...


e/p vs i/p

Started by Jim in Piclist7 years ago 2 replies

What's the difference between a 16F676 i/p and a 16F676 e/p? Mouser and Digikey have both types and they appear to be the same, at least on the...

What's the difference between a 16F676 i/p and a 16F676 e/p? Mouser and Digikey have both types and they appear to be the same, at least on the data sheets. Mouser has the one style (e/p) in stock but not the other. Digikey doesn't carry the other parts I need so it isn't just a matter of where I order. Thanks ------------------------------------


Oscillator not running on 16F873

Started by Andrew in Piclist7 years ago 3 replies

Hi I have developed some code to control RGB LEDs from a PIC16F873A chip. The code was working, but now the oscillator is not running. I've...

Hi I have developed some code to control RGB LEDs from a PIC16F873A chip. The code was working, but now the oscillator is not running. I've checked the connections between the crystal, processor 4MHz crystal, and 22pF caps, and everything is in tact. I'm using the CCS PCM C compiler, I have set the #fuses to: #fuses XT,NOWDT,NOPUT,NODEBUG,NOPROTECT,NOBROWNOUT,NOLVP,NOCPD Can someone my b...


Declaring a function in PICC-LITE

Started by AG4DG in Piclist7 years ago 2 replies

I'm using MPLAB 8.43 (full installation, including PICC 9.70) in WINE (wine-1.0.1-174-gc4039bd) in antiX Linux M8.2. I'm having difficulty...

I'm using MPLAB 8.43 (full installation, including PICC 9.70) in WINE (wine-1.0.1-174-gc4039bd) in antiX Linux M8.2. I'm having difficulty with code that worked fine in MPLAB v8.10 and HI-TECH C PRO v9.60PL3 (free version) in Windows XP. For the complete code, go to http://www.jasonhsu.com/swrwatt-c.txt When I click on "Build", the build fails, and I get the following error messages: ...


RPM

Started by meriachee in Piclist7 years ago 1 reply

Hi gang, I just got a mini lathe, and am thinking about making a nice little tachometer for it. I know there's a whole pile of new stuff at...

Hi gang, I just got a mini lathe, and am thinking about making a nice little tachometer for it. I know there's a whole pile of new stuff at Solarbotics, but I haven't researched anything yet. If anybody has done something along these lines, what did you use for a sensor? Cheers Gary ------------------------------------


Pulse analysis with a PIC

Started by Jason Hsu in Piclist8 years ago 4 replies

Page 2 of the following document shows two pulses that I need a PIC to...

Page 2 of the following document shows two pulses that I need a PIC to analyze: http://www.phoenix.tc-ieee.org/0001_Bibliography/2007-05-24%20EMB%20Presentation/2-Carl-Sensors_ 20070520_Phoenix%20Sensor2.ppt Basically, there are two pulses from two sensors. The systolic blood pressure we're measuring is a function of the time difference between the peaks of the two pulses. The diastolic blood


problems with PIC12F675 GPIO

Started by ajellisuk in Piclist8 years ago 2 replies

Hi, I've just started a project using a PIC12F675. Just to get started I'm trying to drive all of the port pins high, but I'm having no...

Hi, I've just started a project using a PIC12F675. Just to get started I'm trying to drive all of the port pins high, but I'm having no success. I'm aware that the ports have multiple functions and need to be set up. I don't seem to have nay control over any of the pins. I'm using HI Tec PICC lite embedded into MPLAB 8.1. My code is: /* PIC 12F flash.c */ #include "pic12f6x.h" vo...


Need Help Understanding How to Restart MPLAB Debug

Started by jsternmd in Piclist8 years ago 2 replies

I have read and read but I cannot figure out why every time I debug through to some code of interest, that when I want to re-start from the...

I have read and read but I cannot figure out why every time I debug through to some code of interest, that when I want to re-start from the beginning (as with a fresh power-on) MPLAB doesn't seem to work right. I have tried reset, clear all memory, recompiling but then debug steps through code and regsiters don't change. I have had this since v 8.30 and with the the current 8.36. I must be mi...


Fastest Math routines - Another Newbie Question

Started by "Jerry O. Stern" in Piclist8 years ago 11 replies

I have am builidng a direct digital synthesizer and controlling the synthesizer with a PIC 16F877A. The selection of frequencies...

I have am builidng a direct digital synthesizer and controlling the synthesizer with a PIC 16F877A. The selection of frequencies are determined by an optical decoder "tuning knob" and the frequencies require 32 bit unsigned numbers. The math routines may be invoked 150 times per second as a tuning knob is turned rapidly. For each encoder frequency tuning step I need to manipulate the 32...


MPLAB 8.33 hanging

Started by jsternmd in Piclist8 years ago 2 replies

I have a new problem where MPLAB assembler is hanging during the Executing: "O:\Program Files\Microchip\MPASM Suite\MPASMWIN.exe" /q /p16F877A...

I have a new problem where MPLAB assembler is hanging during the Executing: "O:\Program Files\Microchip\MPASM Suite\MPASMWIN.exe" /q /p16F877A "Test.asm" /l"Test.lst" /e"Test.err" /d__DEBUG=1 When I look at the lst or err files they are empty. Anyone experience this? I made only minor changes to my code which haf been assembling in debug or release very nicely. thanks Jerry ----...


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