Is RS-422 TTL Compatible?
Does the RS-422 standard expect TTL logic levels? Is a TTL encoder with differential signalling (what would be the closest protocol to this) compatible with the standard?
View Articleabout FPGA Cyclone and FIFO DRAM use
I just get a ALTERA Cyclone board recently, but I find its internal memory bus is not enough, so I want to add on FIFO DRAM to link HSMC bus, that will help me to capture video frame data through this,...
View ArticleCustom Atmega328-P (Arduino) Circuit HELP
Hello! My name is Brent Carroll. I have already come a far way with my design and schematic, but some problems are arising that I simply don't know how to fix. I have a circuit that uses an Atmega328-P...
View ArticleSuggest best magnetic sensors and wireless protocol
Could someone suggest me some best magnetic sensors in terms of: 1. Good magnetic sensitivity ( should be able to detect vehicles) 2. Smaller in size.. and should be able to soldier on PCB 3. Consumes...
View ArticlePowering mbed externally with 5v supply
I'm using a 5v power supply (http://www.hobbyandyou.com/adraxx-33v-and-5v-power-supply-module-for-mb102-bread-board) to power an mbed externally. Negative is connected to Vin, and Positive to GND. I've...
View Articleconsultation is needed/ embedded systems project
Hi everyone, I am doing an embedded systems project, precisely, an electronic chessboard. Currently, I am doing research and trying to prepare the list of electronic components which I will need and to...
View ArticleCannot read/write winbond W25x16 SPI Flash
Hello Everyone, I am trying to interface winbond SPI Flash w25q16 with STM32F103RC using CubeMX. After doing some research i chosen these two links as for my reference. Here is the link i am following:...
View Article18LF4431 PORTB not switching
Hi, I'm programming a PIC 18LF4431 PIC using Oshonsoft. I can't get PORTB to switch properly. I've tried the whole PORT and each of the individual PINS, but it seems dead. If I try PORTA all is well....
View ArticleClik here to view.
Which FPGA board and IDE should a beginner use
Hello everyone I am thinking of learning FPGA. I know VHDL programming (sequentially och parallel). Which board and ide do you use?? I am referring to free ide. What kind of project should I start with??
View ArticleCannot Configure JTDI pin (PA15) as GPIO
I am using STM32F103RCT6 to blink a LED which is connected to PA15 - JTDI in PU. My GPIO Configuration is like this Code (C): Â GPIOA->CRH |= GPIO_CRH_MODE15; //Output mode, max speed 50 MHz....
View ArticleCan you please name the missing component in my network?
Hi I know almost next to nothing about ECE...but I have gotten a question about a missing component in my network idea. Would be great if someone can point me to a good direction. So basically I want...
View ArticleSTM8L and STM8S resets abruptly taking a lot of current during sleep
Hi friends, We are using STM8L(STM8L051F3) and STM8S (STM8S003F3) for a project. I has been designed, developed and deployed. It works as expected - STM8L as a transmitter, wakes up from stand-by mode,...
View ArticleInterfacing Raspberry Pi with Keithley 3390
I wanted to interface Rpi with the function generator Keithley 3390. My goal is to capture the signal which Keithley 3390 generates and plot it using Rpi, i.e, to function it as an oscilloscope. I went...
View ArticleBinary Clock from Highschool, Lost code PIC18f2525
Hi everyone, First time poster here so bare with me. Here's the story Many years ago when i was in my senior year at high school I did a work experience program at a small electronics engineering and...
View ArticleKeil vs IAR functions window
I am in the process of choosing an ARM mcu ide. I saw some videos with KEIL and i liked the functions window that enables you to look up all the functions that are associated with a driver. It also has...
View ArticleMicrocontroller program to control temperature across heater of a gas sensor...
Hello guys, I am doing my Master thesis and my master thesis topic is to design a digital controller for controlling a temperature across the heater. For this I already designed a circuit using Ltspice...
View Article18 Series PIC writing to TMR
Hi, I need to write a WORD to the TIMER of an 18LF4431 PIC. I've read the D/S and see that the TMR0.HB is actually a buffer and must be WRITEn to and READ in a certain order. How do I WRITE to it...
View ArticlePIC 16F88 project for birthday gift
I am doing this simple project to display some message on 2x 7 segment LED. But before I did that I decided to use a pic16f88 to display some counting values from 00 to FF in Hex. Once that works I'd...
View ArticleUsing Raspberry Pi to read signal generated by a function generator
I am using a Raspberry Pi 3 Model B to read the signal generated by a function generator. I have used PCF8591 fitted in YL-40 PCB as the ADC. I have used python for establishing the I2C communication...
View Article