How to send number greater than 65535 to MAX7219 BCD decoder?
I'm using 16F chip, so no support for long variables. But I have 8 digit led display connected to MAX7219 and I want to display on it say something like this variable 1 (2 digits) "-" sign, variable 2...
View ArticleModifying melabs sample code to set time to 24 hour for DS1302 ?
Hello. I'm dealing with this: http://melabs.com/samples/LABX1-16F877A/rtcx.htm It works fine, but I want it to display time in 24 hour format, not in AM/PM. After reading DS1302 datasheet, I've found...
View ArticleChristmas Activity
Jingle bells, jingle bells... Christmas is coming soon. In order to celebrate Christmas, ALLPCB now hold an activity " Finding PCB Christmas Tree " from 2018.12.17 to 2018. 12. 25 in Facebook. Activity...
View ArticleNeopixel shocker ?
Thought I'd pursue toying around with a 16 led Neopixel ring I bought, so have been searching a bit for code examples using Picbasic pro and it seems there is more to this than meets the eye. ---...
View Articlexc8 time.h dst
has anyone tried daylight savings time in xc8 ? // google yields no clues that I can find basic time structure is from time.h Code: struct tm { Â int tm_sec; Â int tm_min; Â int tm_hour; Â int tm_mday;...
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SPIMAST + SPISLAVE adapted to 16F690
Hi there, Wanting to learn about SPI communication using the PIC's hardware feature, I've slightly adapted both SPIMAST and SPISLAVE examples to make them fit into a PIC 16F690. But I've been...
View ArticleMerry Christmas And a Happy New Year...
From Me, I hope you all have a merry Christmas and a happy new year. N8NTA,
View ArticleIOC on 16F1939
Trying to make use of DT-INTS-14 on a 16F1939 and detect Change on Port B. Code: '------------- INTERRUPTS SETUP --------------------- ASM INT_LIST macro;  IntSource, Label,   Type,...
View ArticleTwo questions / errors
Hi All! It has been a while since I was doing anything with PICs and now I am trying again! Okay, so one question is I could have sworn when you wrote a program you would see line numbers? I cannot...
View ArticleHSERIN/HSEROUT strange behavior receiving data with DEC modifier
Hi All, I'm facing a problem I don't know the answer. I'm running this code with a serial comm loopback (MCS's Serial Communicator). As long as I'm sending 100% correct data (3 digits between 0..255)...
View ArticleLoop algo problem
I am trying to make a complex loop and I suppose I am in a wrong mind loop... The project need a time base. Done in a ISR that counts seconds and minutes OK. The request is to have a var value change...
View ArticleAPA102 clear leds ?
By chance if anyone knows, I'm using a 12F675 and PBP to run a string of these leds and all is fine except I want to do a loop where they clear and sequence again. I know there is a start frame, the...
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How do I send MANCHESTER encoded data over serial comm?
Hi All, I am wondering how I can really send MANCHESTER encoded data over serial comm. I'm tuning up a project involving the use of RF modules (such as TLM434) where MANCHESTER coding makes it possible...
View ArticleFilling an array
Happy New Year to All- I am trying to do a simple dumb thing and the complier barks at me. I am trying to fill an array with hex numbers. Example below: x var byte 'Loop counter var L0B0 var byte[16] '...
View ArticleATTINY85 programming
I bought this Tiny AVR programmer -- https://www.sparkfun.com/products/11801 I've never had any experience with it. It needs the Arduino IDE which I installed but can anyone tell me will there be a way...
View ArticleInstant Interrupts and a 18F8680
I am trying to use the RX1_INT in DT's Instant Interrupts with this chip and I get an error (actually 3 of them): NODE1.ASM (785) : Symbol not previously defined (RC1IF) " " (1365) " " " (1390) " I...
View ArticlePIC to Pic Signaling
I have seen enough information on serial transfers to be sure there are people doing this, I'm just not sure the best way to inform the main controller that a secondary module has data and is waiting...
View ArticlePWM Motor Control with Soft Start, Soft Stop Example Please
Hi All, It has been a while! I need to drive a small 12v motor with PWM speed control to include soft start and stop. I would like to keep the circuit board small and I have a bunch of 675's at my...
View ArticleSD or MMC card as storage for logging
Thanks, I'll download this and see what I can learn. I appreciate your help. Mike
View ArticleDave Houston
One of our active members, Dave Houston has not been present since 2016. Also his site is down. Anyone knows why? Ioannis
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