Ladder Logic for Variable Analog Output (0-10vdc)
After reading through some of the other threads in this forum, I beleive I am in the right place! I am looking for a little assistance in writing a few lines of Ladder to control a very simple Analog...
View ArticleMultiple questions about an electronic dart scoreboard -...
Hello all, This is my very first post on this forum, so I think I need to give you some little background info. I've got no previous experience in designing electronic circuits and I've got some...
View ArticleWhich Ardunio that is expandable for Beginner?
I am reviewing my electronics training and want to get a few updated tools for the job. I have very little knowledge on what an Ardunio even is, but feel I need to learn. I will learn fast so what is a...
View ArticleControlling RGB Led using PWM of Microcontroller
Sir, i want to ask. I have a project to control 11 LED RGB using microcontroller. The circuit is as you can see below : View attachment 97878 The RGB Led i'm using with is SMD 5050 RGB. Or you can see...
View ArticleCan't Control the Base Current in optoIsolator - PIC16F877A
Its my first time of using optoIsolator. I have connected a PIC MCU to Control the External DC motor through it. The problem is; I am not able to control the Base current ! I don't know the Current...
View ArticlePIC16f676 5k Potentiometer Analog Read Problem
Hello Respected All Members, I am new in this forum and in PIC Programming field. I need a little help in my small assignment. I am using PIC16F676 MCU and MikroC compiler with internal Oscillator and...
View ArticleArduino help..
I am looking to build my own reflow oven controller .. My problem comes I never played with arduino before..So I was looking to pick up a arduino clone to play with .. But I had a thought of using a...
View ArticleLadder Logic Controlling Analog
I was recently on a post that was over 3 years old and only 8 responses. Yet it had almost 8000 views. When I was programming ladder logic, there were only digital outputs and you had to have a DOS...
View ArticleArduino Zero Native USB
Hello! Quick question- I intend to use python software (or something) to drive a microcontroller as a DAQ. I'm considering the zero for this purpose. I understand that the native USB port is detected...
View ArticleQuadrature encoder counting error 18F2431
Hi, For some time I have had problems with the Quadrature encoder of an 18F2431. I'll point out that the opto disk is home made, and because of this thought it must be my fault. I've re-wired it with...
View ArticleRaspberry Pi MAX31855 Thermocouple Circuit Problems.
Background - I want to read the temperature from my pottery kiln through a Raspberry Pi. I found the Adafruit breakout boards but they only work with type K chips. Tried to remove the type K and swap...
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I am working on IRFZ44N MOSFET with arduino.
Sir, I want to ! i am working on IRFZ44N MOSFET. please see the attached circuit diagram, when i am giving direct 5v signal to the gate of the mosfet then drain and source are not getting short. But.....
View ArticleUART 3.2v Full to 5v Half Duplex Interface
Greetings All, I am trying to connect a 3.2 volt Full Duplex UART to a 5 volt Half Duplex device. The pins on the 3.2 volt device are not 5 volt tolerant (it is a Beaglebone Black). Would a device like...
View ArticleControlling H bridge with Adafruit Motor Sheild v1 with arduino.
Hi all, first time posting on your forum and I have a few simple questions. I have an arduino with an adafruit v1 motor sheild. The shield can handle a draw of 0.6 Amps per channel. 0.6 A is not very...
View Articleindustrial temperature controller cum pulse counter
I want to develop industrial temperature controller cum pulse counter with 5 push buttons and LCD in PIC or 8051 microcontroller. Pushbuttons are set , enter , up , down, move likewise . i want to...
View ArticleNeed suggestion on modifying data in programmed PIC
I am working on a project which is based on GSM+PIC based home security. The following list are the things which i should be needed suggestions on. 1) I want to design the system in such a way that i...
View ArticleCat Laser MK-3
Cat laser that I made - almost finished. Modules/Boards: 2 servos modules, 2 red laser dot modules (650nm), an Arduino Nano v3, and a 9V battery and holder. I'm planning on possibly combining the power...
View ArticleControlling a Mosfet H bridge using 16F819
I am using 16F819 for my project. And to control the directions of the motor i need to give outputs from 16F819. How many outputs will go to the HBridge?
View ArticleATMega328 powered clock - outputs stop displaying
I am following an instructable to build a clock that displays the time in English words using LEDs. The output of the circuit is controlled using 3 8 bit shift registers and 3 transistor arrays. I am...
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