Switching MOSFETS with CharliePlexing and 12 LED array?
I was wondering if how I could switch logic level MOSFETS with CharliePlexing. Would I simply make use of regular diodes connected to the gate? Also I have read the tutorials but I am having a brain...
View ArticleA question about signal in VHDL
Hi, I know that signal in VHDL is "a wire", but i dont understand how it is implemented in the fpga... Where the data of the signal which i create is stored?
View ArticleHC05 not getting data from PC terminal
I have 3 of those HC-05 Bluetooth devices. An old one and a two new ones. The old one was having issues so I decided to order a couple of new ones. In addition to some flaky connection issues, the old...
View ArticleHow do I calculate duration of timer in MCS-51
Suppose I'm using timer 0 in mode 1 and then I set TL0 = 38H, TH0 = FFH and the X-TAL frequency is 11.0592 MHz how do I calculate the duration of time, which counted by timer0.
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Correspondance between board and firmware version
Hello, I work in a company specialized in robotics, am actually studying a solution which add an intelligence level in the electronic board, which allows this last to communicate to a PC (via a serial...
View Articleproduction level programmers for nrf24le1
Hi All, I am looking for a production level programmer for nrf24le1. I came to know that segger has multiple products for ARM processors but i couldnt able to find for nrf24le1 which is an 8051...
View ArticleUnable to read the converted code after using the HEX to ASM converter.
Hi, i applied two servo motor in my assignment by using 8051 C language and it works. But due to some circumstance it must change to 8051 assembly language. So i used the Hex to Asm converter and it do...
View ArticleTrying to understand what a program is doing with PIC
I am trying to understand a 3rd party application that is provided to update TFT images on a TFT display. The TFT is driven by a chip from the PIC24FJ256DA family. When this 3rd party program is...
View ArticleHelp the microcontroller
Hi .. i am new to Electronics, i hope someone can help me. I am working on a simple countdown timer for a research project. The Timer Counts Down from 2:00 min to 0:00 on a click of a button ( no other...
View ArticleAccess ESP8266 and Wireless Temperature Sensor strictly through USB...
I want to make a USB charger which can act as charger as well as can can also help smart phone or different wireless sensor like Wireless Temperature sensor to access with ESP8266. For accessing a...
View ArticleHow to learn embedded product development life cycle and use it to create a...
I need to learn embedded software and hardware development life cycle and use it to create electronic hardware/software component. I need to approach this job systematically. For example, what is the...
View Articleconfusion about PIC24F program memory organization
Hi guys We need to use a PIC24 we need a lot of IOs. Never use a PIC24 before, so I google and found this doc from Microchip: PIC18F to PIC24F Migration: An Overview There is an interesting graph on...
View ArticleGetting started to Computer embedded systems
Hi everyone, I would like to learn about embedded systems, memory management, computer architecture or what I would need for build smart electronic devices, so maybe I could design and build my own PC,...
View ArticleDebugging an embedded application with gdbserver
I am attempting to debug an embedded Linux application with gdbserver. The process: I open up a command prompt: ssh into the target, and start gdbserver: Code (Text): rob@linux038:~$ ssh -p 2222...
View ArticleNAND flash interface - how does it work?
It looks like I have to use STM32F4xx FMC NAND interface to handle an LCD display, because the NOR interface has too short data hold time. The problem is, that I don't know how the NAND interface...
View ArticleLCD error message - current regulation issue?
I am using a Raspberry Pi to control a 16x2 LCD screen. It displays a countdown timer once per second for several minutes— most of the time it works perfectly, but sometimes (<1% of the time) it...
View ArticleST doesn't provide IDE for stm32 MCU?
Hi guys Just bought a STM32f303 NUCLEO-32 board to play with, went to ST's website to download an IDE. But can't find any, doesn't look like ST is providing an IDE??? Or am I not looking properly?
View ArticleSPI timing issue with max35101
I've been trying to test the time to digital converter max35101 with an stm32f407vg6 microcontroller and am stuck for some reason. The timings for the SPI communication seem to be extremely strict for...
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