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Industrial RS485 converters

Started by pankajpatro703 6 months ago12 replieslatest reply 6 months ago110 views
I require to set up a RS485 connection for a long distance(about 700m) between an ARM cortex M controller and a sensor. I need a UART to RS485 converter but I'm...

How to get the IR Remote Control Protocol ?

Started by AmrReflection 6 months ago10 replieslatest reply 6 months ago168 views
I have an Air Conditioner that I want to decode and then transmit its remote control signals through a Microcontroller and an IR transmitter. As far as I know...

Can I control AC Power with Relays ?

Started by AmrReflection 6 months ago12 replieslatest reply 6 months ago76 views
We have an Air Conditioner at the Factory that doesn't have a timer. We need to control it just to turn on at a certain time, and turn off at the rest of the day....

Rabbit 6000 I/O Bank Extended Register Issue

Started by granfaloon 7 months ago14 replieslatest reply 6 months ago46 views
Hello, I'm working on a project with the Rabbit RCM6750 MiniCore module which runs on the Rabbit 6000 CPU. According to the Rabbit 6000 CPU User's Manual from Digi.com,...

Why logic High input is logic low on I2C data bus?

Started by learn 6 months ago2 replieslatest reply 6 months ago76 views
NXP LPC11E68JBD48E Microcontroller I2C1 is Master.   I2C1 is in Master Transmitter Mode.I2C1 peripheral is in chapter 13.  http://www.mouser.com/ds/2/302/UM10732-315822.pdfNXP...

What are some signs that you have become a better Embedded Systems Engineer?

Started by stephaneb 7 months ago6 replieslatest reply 6 months ago435 views
Inspired by a similar question on quora about software engineering, I thought it could be interesting to read some insights from this community of embedded systems...

Why does I2C Expander reply with NAK when master sends a byte?

Started by learn 7 months ago10 replieslatest reply 7 months ago49 views
NXP LPC11E68JBD48E Microcontroller I2C1 is Master. I2C1 is in chapter 13.  I2C1 is in Master Transmitter Mode.http://www.mouser.com/ds/2/302/UM10732-315822.pdfNXP...

Insert CRC32 into ROM image such that start up CRC32 value results in constant

Started by plinnie 7 months ago13 replieslatest reply 7 months ago58 views
I'm inserting a 32 bit CRC into a ROM image in using the following method: First I link using a custom linker script, setting a custom CRC32 symbol to 0. Over the...

STMicroelectronics 8 bit MCUs

Started by DebD 7 months ago9 replieslatest reply 7 months ago96 views
Hello! I'm learning to code an STMicroelectronics 8 bit micro-controller. I want to control a BLDC motor with this MCU for electric vehicle application. I'm using...

NAND Flash Memory layout

Started by NikolaDzoniRistic 7 months ago3 replieslatest reply 7 months ago94 views
Hello,I am trying to understand how a NAND flash memory chip works. Specifically, I am communicating with one via SPI protocol. The memory has a certain number of...

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