AVR serial programming with Atmega 644P and USB using FT232RL
Hello Everyone! I was trying to receive characters from the PC through serial programming USB with FT232RL and atmega644P and trying to display it on LCD. I have been using PORTB as data port of LCD,...
View ArticleInstrument Cluster Driver CAN Bus Question
The newer vehicles all use CAN bus technology to drive speedometers and tachometers. Does anyone know of a way to build a test bench to test instrument clusters where you can drive these gauges through...
View ArticleOverclocking a PIC's ADC module to increase sampling rate
Hi I was wondering if anyone has any experimentally observations or insight they can share on reducing the A/D module's clock of period=Tad below the minimum recommended. For example, yesterday I...
View Articlehow to use can bus
Hey, i have a project that i am busy with and i was told to use CAN bus since i'll be using different circuit and each one has its own microcontroller. I have never used or came across CAN BUS, i tried...
View ArticleDesigning a simple alarm circuit using microcontroller
I am designing a simple alarm circuit using PIC12F629 and I need advise from this forum of experts on how I could accomplish and fine tune the circuits. The alarm input set the GP0 High and flashes an...
View ArticlePIC16F877A - OPTION_REG Register
Hello! Why this statement "OPTION_REG = 0xC5;" is ok when I am writing to OPTION_REG register, but when I am using the next statements I get an error ? "RBPU not a member of a struct/union"...
View Article10F206 to 12F675 question
Having never really worked with comparators so far, I am in the process of converting a working program from a 10f206 to 12f675 and would just like some advice as to the equivalent register settings....
View ArticleUnderstanding of Timers and Counters
I know this is repeated question,I referred many post, but i didn't get an clear answer. My understanding is most of the micro-controller will have a 16/32 bit timer, which increments its ticks based...
View ArticlePICBasic Pro Download Bootloader to PIC HELP
How do I do this? Have not run across it yet in manuals. Reading all three manuals from left sidebar in Rescources on MELabs website.
View ArticlePIC16F1574 current measurement and display on multiplexed 2-digit 7-segment
Ive been designing a circuit to control a load, with current feedback and a dual 7 segment display. I dont have a diagram of the circuit (that makes sense) at this point, so i cant really share, but...
View ArticlePIC24F: Cleanly terminating PWM trains
Hi. Hopefully there's a best practice here that I'm not aware of. I'm using OC1 and OC2 on a PIC24F to drive a boost converter. OC1 drives the lowside, is in edge-aligned mode, and is self-sync'ed....
View ArticleIr light dimmer using PIC18F
Hi every one , I am doing IR based lamp dimmer .My circuit working fine but only issue with IR interrupt and zero crossing interrupt . What i done is 1) For detecting the zero crossing from the Mains i...
View ArticleSerial and Parallel Port Adapter Card Tester Software
Figured out hardware could be done with these: http://www.gravitech.us/db9febrbo.html http://www.gravitech.us/dbfebrbo.html http://www.gravitech.us/10mr8.html Okay. Connectors and led's on breadboard...
View ArticleWindows can't find Arduino driver
Hi all. I've bought Arduino Uno atmega328 Chinese board and downloaded it's drivers. When I connect it to my PC I go to control panel, system, device manager and go to other, it says Serial port USB...
View ArticleProgram a reversing light up LED
A running light going 1 direction using three LEDs. Every single LED will be light up after 1ms. When SW1 is pressed, the running light will reverse direction. I was struggle at this question, which...
View ArticleMPLAB IDE 8.40 and Curiosity 8 bit
For some reason 8.40 does not support PICF1619 that board came with. If we put on a chip it does will Curiosity work with 8.40? Thank you!
View ArticlePicaxe - Hardware not found error
Dear all, I am in the process of building my first project using microcontrollers. I bought Picaxe chips as I thought they would be a great start since they use simple Basic commands unlike Arduino...
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Unable to upload program to Arduino Nano(Clone)
Hi, I've been trying to upload a program to Arduino Nano(Clone with CH340G) but when I plug in the Nano, the computer doesn't even detect it. I've also installed the CH340G's drivers but in vain. I...
View Articlei need to control the microcontroller using hc05 Bluetooth device. can you...
i need to control the microcontroller using hc05 Bluetooth device. can you tell me how?
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