range finding HELP
HI GUYS, I am looking for some input into using an SI APD or SI PIN for range finding application in 900nm range , the pulse generated are about 30ns at a max of 1khz if anyone has had experience with...
View Article18F87K22 Port B Digital
Hi, I am using a PIC18F87K22 and want to write a simple message to the LCD but something is not right, perhaps the set up of Port B is not correct?, any help would be greatly appreciated, I have the...
View ArticleRTC Clock - Resetting
Hi, I am battling with a RTC Clock that keeps re-setting after I loose power. I have done a few things which has helped the RTC keep the time when the power is off. Please see code below: * When I...
View Articlepinout or datasheet
Hi All I am looking for a datasheet for theTOSHIBA TOUCH SCREEN or a pin out might help i did a web search and no good results the numbers on the back are Optrex DMF 6151 9534M5 E919643134l ny-eb...
View ArticleMultiple Interrupts using TMR0 and Interrupt On Change (IOCB) simultaneously
Hi there, Here's one more thread about multiple interrupts use (...) but after hours of reading, I still can't find THE information I'm looking for or in other words, the info I can understand. I know...
View Article16x2 LCD supply and backlight driven from Pic pin ??
Hello Thank you for the quick read . Is it deemed correct to drive a 16x20 LCD and back light direct from a single output Pin. Don't worry, when I say direct I "DO" mean via a Transistor or Darlington...
View ArticleMy board can't start
I am experimenting the 7 segment display on a breadboard,but the circuit just can't start,but when I touches the capacitor that connect the crystal,it start,when my hand left the capacitor,it can hold...
View ArticleSame Code on Different Pins Question
In post http://www.picbasic.co.uk/forum/showthread.php?t=6013 Darrel Taylor shows an example of how to use the OWIN/OUT commands that will accept a WORD variable that can address ANY pin on the chip in...
View ArticleLCD's and Sleeping Pics
Hello Thank you for the quick read…. Posted this elsewhere by mistake :-) Is it deemed correct to drive a 16x20 LCD and back light direct from a single output Pin. Don't worry, when I say direct I "DO"...
View ArticleCheap programmer with modern low voltage PIC support?
Hello. I have DIY K-149 USB programmer, which is great, but can't support low voltage PICs, such as 16F887 or 16F1503. I need a cheap programmer that can support these chips and allow fuse config...
View ArticleProblem With 220 VAC Halogen Lamp Dimming
I was using Pic based Zero Cross Detect dimmer Incandescent lamps with no problem. However; when i use halogen lamps instead of incandescent lamps, The dimmer circuit isn't working properly. So, what...
View Articlepic basic read
Hi I lost my original pic basic program that I used to program my pic 16f628 now I would like to revise it I have the pic programed how can I retrieve the data back into pic basic so I can edit it, I...
View Articlebetter way to do this using math
hi guys , have mind blank on how to best do this code in math than use a lookup Code: if val < 6 AND Menu_Select = 211 then lookup val,[0,2,4,8,16,32],val if val =>6 and val...
View ArticleDigital Potentiometers Projects?
Could someone please link me to some good tutorials/projects on working with digital potentiometers to help me learn how to use them. Specifically I2C and SPI. I don't really need up/down tutorials or...
View Articlekeep grtting Error[118]
Has anyone had trouble compiling this project in PBP 2.60C http://www.picbasic.co.uk/forum/showthread.php?t=18143 I keep grtting Error[118]. I can remove the config line, @ __CONFIG _INTRC_IO &...
View ArticleRB0 / INT TRISB.0 configuration
Hi Everyone ; I've got a question digging my mind for a while . I've been reading the datasheet of 12F683 and 16F1827 to determine whether it is required to set or clear the TRISB.0 register to use the...
View ArticleAn unintentional TRIAC triggering at start-up
Hi everyone ; I've been working on a dimmer circuit in order to use / dim an incandescent lamp . I'm using the same exact Triac Driver circuit below .. And here is my problem , When I power up my...
View Articlefrequency prescaler using PIC
hello I am not fluent to search on database, I try to reach some thead with the word "DIVIDER" or "frequency" without succes. my question is : Instead using a lot od 74LS390 dividers to have a 1 Hz...
View Articlehow to use INTERRUPT?
The code below blinks an LED on and off at two different rates. It switches between the two rates when a button is pressed. The button is connected to GPIO.1 of a PIC12F609. The code works fine, or I...
View ArticleProgramme Flow Priority ?
Hi ; This may be a very strange question but I need to ask this ; While we start over coding on PBP , should we first write the "define" parameters and then set the "registers" such as port , tris ,...
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