Maximum length for TTL UART between two boards
Hi All, What could be the maximum achievable length for TTL UART communication between two boards without using transreciever IC. Assuming standard baud rate for communication. Regards,
View ArticleRecommend me a microcontroller dev board
I am looking for an inexpensive microcontroler dev board (or similar) that has the following attributes: 1.Can run off standard batteries (AA, AAA, 9V) and doesn't drain a ton of power. 2.Can be...
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Can I repair a zapped UNO R3?
Carelessly I applied 12V to the 5V pin while breadboarding a project. I now get no signs of life from the board. And applying 9V via the board's jack socket from my bench power supply indicates a...
View ArticleGetting Started with ELB-REV4
Hello everyone, What version of Linux does ELB-REV4 support? Is it debian? Regards, Sreevalli
View ArticleCreating Web Server using ELB-REV4
Hello all, How can I connect ELB- REV 4 to the web and create a Server? For now I want to do this on LAN. Regards, Sreevalli
View ArticleDK-20948
Hey guys, Recently i decided to get the ICM-20948 DK and exploring it. I read all the info on their site and all their guides but the only briefly get over the topic, so i didn't understand much. I...
View ArticleAtmega328 keeps resetting itself if I start PWM
In a project using an Atmega328, I am controlling two electric motors, two relays and a glow plug (RC model engine glow plug). Attached you can find the circuit controlling the glow plug. The circuit...
View ArticleMSP432+BLE+ Debugger interfacing
Hi, I would like to Interface a BLE to a MSP432 microcontroller in serial. The BLE has a inbulit Atmel controller. I have a firmware for BLE in keil. Intially I have flashed the firmware to BLE...
View Articlelow power IR detection circuit
Hi guys I am looking for a ultra low power (under 50uA) circuit to detect 38KHz IR signal, that one that normally uses in TV etc.. Anyone come across one? Here is what I am trying to do: I have a...
View ArticleHelp - Show ADC value on Three Seven Segment Display
Hi, i'm trying to build a digital voltmeter using ATmega8535. But i have the problem of interfacing the ADC value on seven segment. i use ATMEL STUDIO 6 for coding and PROTEUS for the circuit. Here i'm...
View ArticleCopying from UNO R3 to my own empty board?
I'm returning to one of the specific 'side topics' discussed in the long thread resulting from my first post a couple of weeks ago...
View ArticleSST26VF064B Flash Memory interface with SPI1/SSP – Write to memory Issue
Hii All, I have interfaced SST26VF064B Flash Memory with SPI1/SSP of LPC2138 ARM microcontroller. Issue- I am facing an issue to choose Serial clock Rate selection to operate SPI1. After APB divider I...
View ArticleDriver circuit for solenoid valves
I would like to drive some solenoid valves (about 450mA at24VDC) with a PIC 16f877A. The idea is that the solenoid valves must open and close very fast . I just spent time on the internet and found I...
View ArticleBeginner looking for recommendations
@djsfantasi I have no favs in micro controllers, don't know enough about them. In my time I have programmed Z80 Assy and 6502 Assy, so I'm not a complete novice in coding.Having said that I find...
View ArticleArduino pushbutton - interrupt
Im trying to use the arduino pushbutton to have a seperate function to be called when interrupted. Im having three push buttons and I have three functions respectively. Each pushbutton push should call...
View ArticleHow to use execute linux commands using QProcess
Hey. I am trying to execute linux commands using QProcess. I am trying to flash and read back data from STM32 micro using raspberry pi using the stm32flash utility as such :...
View ArticleNo Device Signature returned from Mega328PB-U with Arduino ISP
Hi, I am having trouble burning the Arduino bootloader to a MEGA328PB-U using an Arduino UNO as ISP and the Arduino IDE. It continually returns 0x000000 as the device ID. The circuit worked previously...
View Articleproblem with programming a keypad with 128*64 GLCD
I am trying to modify on the menu code (source can be found in this link Arduino/libraries/U8glib/examples/Menu/Menu.ino · 891506b4b1ac0364027c6f3443dd19b17f6cff48 · machinery / MarlinKimbra ·......
View ArticlePic & Nokia 6100 LCD
Hello, I hope someone would be kind enough to help me, I have been searching and reading about this for 3 days now and im completely confused. I want to make a small compact as possible device with a...
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