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PORTB interrupt on changeview story

http://forum.allaboutcircuits.com – why it is not working ?? Please Help!! //// PIC16F887 //// MikroC [code] void interrupt() { INTCON.PEIE=0; INTCON.GIE=0; if(INTCON.RBIF==1){ PORTA.RA5=~PORTA.RA5; INTCON.RBIF=0; } INTCON.PEIE=1; } void main(){ PORTB=0; TRISB.RB5=1; TRISA.RA5=0; PORTA.RA5=0; IOCB=1; WPUB=1; INTCON.RBIF=0; INTCON.PEIE=1; INTCON.GIE=1; INTCON.RBIE=1; while(1){ (Embedded)

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Home made PCB reliabilityview story

http://forum.allaboutcircuits.com – Hi, I made a couple of PCBs using toner transfer method. After I assembled the parts and soldered it to the pads, when i touch the components with a little force, the pads came off and the component starts shaking. Is it the problem of the copper clad board or is it because I used a 1mm bit to drill the holes so there was no friction between the component lead and the board? (Embedded)

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Make blinking LED Flashlightview story

http://forum.allaboutcircuits.com – I am an electronics newbie. I know very little about circuits, as will be clearly evident by my question. I have a number of LED flashlights like this . I would like to make these blink or flash. My question is: If I introduce a blinking LED like the one shown here in series at the "beginning" of the circuit, would the flashlight blink as well? thanks (Embedded)

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PORTB interrupt on changeview story

http://forum.allaboutcircuits.com – why it is not working ?? Please Help!! //// PIC16F887 //// MikroC void interrupt() { INTCON.PEIE=0; INTCON.GIE=0; if(INTCON.RBIF==1){ PORTA.RA5=~PORTA.RA5; INTCON.RBIF=0; } INTCON.PEIE=1; } void main(){ PORTB=0; TRISB.RB5=1; TRISA (Embedded)

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PIC with LCD in Oshonsoft basicview story

http://forum.allaboutcircuits.com – Hi, I am trying to get a PIC to connect to an LCD module. I'm using Oshonsoft basic. I have attached a photo, showing my program, also one of the circuit. This works in the simulator, but not in circuit. I have a LED in the LOOP, and if I start with the LCD parts commented out, the LED flashes. If I work down the code commenting back in each element. (Embedded)

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AC motor 0-400Vac/120hz driverview story

http://forum.allaboutcircuits.com – Hi All, I am working on a pump equipment and it is using a 3 phase AC motor that runs in 120Hz and voltage rating of upto 350Vac. I want to make a set-up that will only check the motor and pump and to do that I need a driver that is capable of delivering up to 400Vac and load of 2A. Does anyone know such kind of driver? I did searched in google but all I found are 220Vac to 250Vac. (Embedded)

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Counting 0-9 and vice versaview story

http://forum.allaboutcircuits.com – I've been stuck on this and don't know what to do. I'm trying to make a counter chip (74193) cycle either up or down from 0 - 9, showing the output with a 7 segment display. This counter chip has 4 outputs, so it will count from 0 -15. When counting up, I can make it work properly. (Embedded)

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Reversing motor circuit with time on delayview story

http://forum.allaboutcircuits.com – I would like to make a circuit (12v) to Start a motor (110v) CW, stop & set time delay on for CCW of a ½ horse motor (typical garage door opener). Objective: 1. Button is pushed and released, operates motor CW to move object. 2. Object moves to desired point hits limit switch and stops motor (circuit resets till button is pushed again) 3. (Embedded)

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Videos Help Lecher wire demoview story

http://forum.allaboutcircuits.com – http://www.youtube.com/watch?v=SbVbMR6jmSI I hope all you radio enthusiasts get something out of this video. I've had tons of response from the amateur radio community. :) Eric (Embedded)

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Pre Built LED fixture problemsview story

http://forum.allaboutcircuits.com – Hello all, this is my first post here and I hope to get some help. I have a pre-built LED fixture from Build My LED. Recently part of the fixture went out, so I am not getting full use of the ridiculously expensive fixture (thankfully I am not the one who purchased this or I would be pissed). (Embedded)

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Transistors, Relays, and atTinys, oh my...view story

http://forum.allaboutcircuits.com – I just finished a project for an automated reading lamp to turn on when I sat in my trusty reading chair. The project involved a switch/sensor for when I sat down. An atTiny85 read for the input, and upon receipt, sent an output signal through a transistor, then to a relay. (Embedded)

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Frequency switch to open relay helpview story

http://forum.allaboutcircuits.com – Hi everyone I stumbled across this forum and i can't believe i have never had this forum in my favourite before! Would have been so handy in earlier projects haha anyway this is my first post. Just thought id ask the quick question about a frequency switch circuit. (Embedded)