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Need to convert C to PBP
I am trying to write some code in PBPpro from an example in C. I have got so far but am not familiar with C. They give the packet structure and an example, but I cannot decipher what the code is doing...
View ArticleNeed help with COS function in PBP3
Can someone please help me understand on to use the COS function in PBP without much error in answer. I have one analog sensor which gives me 1.22mV resolution (5/4096). Every 1.22 mV I get 0.0011...
View ArticleHSERIN and PIC18F24k22 hanging
Hello all. I have my Raspberry Pi talking to my PIC via UART. When the Pi boots it sends out loads of console guff and I have to power cycle my PIC to get it to start receiving proper data. All I am...
View Articlehighest or lowest variable in an array; how do you find it?
Hi everyone. im trying to determine the highest and lowest variable in a 50 byte array. whats the easiest way to do it?
View ArticleArbitration of 232 signals
My system consists of (2) PICs, and a third 'device' receiving/transmitting 232 signals. Both PICs need to talk to the 'device' via 232.' The device only has one 232 port. So how can i separate...
View ArticleSDFS on 18F46K22
Greetings all, i hope everyone is well... I havn't posted here in a long time, i've not hit problems i couldn't solve till now... :mad: First time playing with SPI, so, i may have a noob mistake... Ok,...
View Article12F683 timer0 imterupts
Hi guys , can someone confirm my interpreted view of the data sheet relating to timer0 on a 12F683 http://www.microchip.com/wwwproducts...cName=en010115 datasheet states 5.1.4 TIMER0 INTERRUPT Timer0...
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SDFS3 / SDFS32 , formattingan SD card from PIC
I was running the free space checker and it came back as 0KB... Theis card should be 512MB and it have a full format under windows prior to being modified. Their is no macro or function for formatting...
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Pic18F4550 + SIMCOM SIM900D GSM/GPRS
Hello to everyone, I have a SIMCOM SIM900D GSM/GPRS module. I'm trying to make it communicate with the Pic18F4550 with 20Mhz crystal. But before that I made sure that the module is working/replying to...
View Article(Engineering) Career advise from the Gurus
I have been offered a place in the UNI where I can do one of the following : ------BEng EEE (Electrical & Electronics Engineering) (http://prospectus.lsbu.ac.uk/courses...SCode=H600%20-) OR...
View Articlesweeping LED light effect
Hello, I am trying to replicate a sweeping LED effect. Basically the LED shifts back and forth across 10 leds. The part I don't see how to do is the lead & tail effect which appears dimmer than the...
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Servo Motor control using MATLAB and PIC.
Hi All, This might sound a bit silly to many of you but its becoming very gruelling for me and request your help. I have written some codes and tested them successfully in MATLAB like shape classifier,...
View ArticleWatchdog necessary?
Hi, i've got one general question. I have a PIC12F510 doing a temperature control (AD in from an NTC, software-pwm out). The system has a stable power supply. All is working fine. Now my question is,...
View Articlehow to measure RPM and SPEED at the same time
i need to built meter that can display RPM and SPEED at the same time by use PIC16f877a. Now i can measure RPM on T0CKI by use timer1 and interrupt. I don't know how to measure SPEED at the same time....
View ArticleLCD error. letters are shifting each water valve is ON
hello friends. sorry for bad english. i have a system controled by 16f877 and output relays. when 24V water relay is active, letters on 4x20 LCD are shifting one character to left. sometimes also...
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How to choose rework station BGA
BGA Rework Process Introduction 1 Introduction Defects are caused by many reasons during soldering SMD components as empty soldering, short circuit and others, so repair is necessary. The rework...
View ArticleOscillator speed, what does 16F628A-04p mean
Does this mean the chip onboard oscillator is limited to 4mhz maximum or is it the external oscillator that has a 4mhz maximum. Typical, i've a project to build using a 10.240mhz crystal and I've just...
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