An interface defines clear boundaries and communication/interconnection between systems.

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How do I learn to design a 50Ω coaxial interconnection/interface?

I've designed an electronic load for testing power supplies (circuit and photo in this post: Designing a *linear* MOSFET driver stage). The load can be controlled (programmed) using an arbitrary ...
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1answer
45 views

Embedded C programming to interface ultrasonic sensor to 89s51 microcontroller

I am trying to interface an ultrasonic sensor HC-SR04 to a 51 family microcontroller like 89s51. After learning about how ultrasonic sensor works I wrote a program as per my knowledge about ultrasonic ...
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0answers
34 views

Using the right pins for keypad

I am using msp430g2553 microcontroller and a 4x4 HC543 keypad. I am using Energia IDE. I have connected the keypad from pin 2 through 9. My code is as follows: ...
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1answer
67 views

How to design GUI for my embedded design [closed]

I have designed my embedded software and it is working fine. I was thinking about making good GUI so that it is easy for others to interface with my software.
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1answer
18 views

Touch sense controller interface

I am trying to implement a system where I have to use Touch Sense Controller(TSC) with LPC2138 controller, through SPI interface. As per my consideration, MOSI line of LPC2138 --> Din of TSC MISO ...
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1answer
73 views

Interfacing switch and LED

I am trying to write a program in which I am interfacing a switch and a LED. I want a program so that when I press the switch the LED turns on and when I press again that led turns off. Right now I ...
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60 views

How can I drive this laptop screen?

How can I drive this screen? It's a 1920x1200 display from an old Dell Inspiron 6000 which is now dead, but the screen is great and I want to use it in a project. Is that a standard (either physical ...
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37 views

Interface Load Cell czl642 (200kg) with 8051 microcontroller

I have 5 wire load cell CZL642 - 200KG ( 2 black, 1 green, 1 red and 1 white). I want to interface load cell with 8051 microcontroller but no idea how to get into it. Please help me ! Thanks!
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39 views

How to communicate with Keithley devices on linux (without NI VISA)?

Keithley devices let you read/write commands/data over GPIB (examples). LabView has dedicated blocks (VIs) for this purpose, and other wrappers such as PyVISA use the commercial VISA drivers by NI. ...
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39 views

Interfacing ADC with MCU using SCI

I am trying to interface a Texas Instruments (TI) 16-bit ADC to a TI Piccolo microcontroller (MCU) via a serial communication interface (SCI). The ADC block diagram shows 3 connections for this; a ...
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120 views

How does this Audio ADC know which rate to sample the audio at

The part under question is PCM1808. This device needs an external system clock on the SCKI pin. From the master device it shall need LRCK, BCK & DOUT. The LRCK chooses the left/right channels. BCK ...
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1answer
85 views

Where can I find correct documentation of old floppy drive formats?

I have an old drum machine with an ancient proprietary 3.5" SONY floppy disk drive with no information on the device itself that I have seen. The performance is spotty and it's very picky about disks. ...
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55 views

Interfacing Constant Current to a Microcontroller

With reference to the circuit below, How can I control the SET from a Microcontroller? It really needs a variable resistor attached. I've looked at digital POT's although it would need to be ...
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2answers
50 views

Interfacing with a graphic lcd

I am ordering a graphic lcd NHD‐12864AZ‐FL‐YBW and most of the interface code seems pretty simple. On the datasheet it has the following list of commands I don't understand what is put in the write ...
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1answer
52 views

Acs712 current sensor ic interfacing with ade7858(energy metering ic)

I am trying to interface Acs712 current sensor IC with an energy metering Ic(Ade7858),there are two problems am currently facing. 1) The energy metering Ic takes in bipolar input (± 0.5 V) which is ...
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0answers
38 views

3.2" TFT interface with LPC2138

I am using 3.2" TFT LCD using 16 bit parallel interface. But, due to unavailability of I/O pins I am multiplexing it using 3 state buffer and using only 8 pins to drive LCD's 16 data pins ( U2 and U5 ...
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2answers
315 views

LCD 16 x 2 1602A Interfacing

I have bought a 16 x 2 LCD which I want to interface to a ATMEGA 324 microcontroller. The problem is that the vendor didn't give me a good enough datasheet. It does not contain any information ...
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62 views

How can I interface a Raspberry Pi with a bare Atmega128

Currently in this project, I have an Arduino Uno controlling some low-level hardware, which interfaces to software running on a Raspberry Pi via the Arduino USB cable. I'm looking to shrink the ...
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31 views

Does Core Debugging Interface reveal state of Context Registers?

I need to know whether the Context Register states of the CPU are relayed to a hardware component called the Core Debugging Interface, and if so, where I can find any useful information on this ...
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2answers
65 views

SDXC Card Reader with LPC1822

in my application I have an SD Card reader using the NXP LPC1822 microcontroller. It works very good with all SD- and SDHC-Cards I've tested so far. Only thing that does not work is SDXC. I already ...
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1answer
79 views

How to interface mbed with labview?

How do I interface mbed with labview? Do i first write the code with c then compile using keil and then put that same code on lab view or can I just use lab view directly? I'm working on a sensor that ...
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2answers
85 views

Input port 8051

I have a microcontroller kit and I am using a 8051 microcontroller. The IC is P8951RD2. My questions are: All of the pins of all the ports are pulled up by resistors. Port 0 I can understand that ...
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1answer
152 views

Serial LVDS camera interface

I am interested in using the greyscale version (VM-010-BW-LVDS) of this camera module: VM-010: phyCAM-S camera module, WVGA monochrome I want to use the camera with external trigger (in snapshot ...
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1answer
160 views

Bi-Directional Level Shifter Circuit with pull-down resistors

I'm looking for a bi-directional level shifter circuit to interface a 3.3V controller to a 1.8V component which is not 3.3V tolerant. Usually I'm using the well-known level shifter circuit, e.g., ...
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3answers
859 views

Meandering traces necessary for 24-Bit parallel RGB LCD interface?

I am working on a project that interfaces an Atmel SAMA5D3 MCU with a LCD TFT display. The interface between both is 24-Bit parallel RGB with HSYNC and VSYNC signals. The resolution of the display is ...
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46 views

Interfacing a 5Volt device with a contact closure expecting device

Hi to all of you out there! I'm a newbie to this world and i am learning and drinking from wherever i can, but i'm kinda of stuck on a rather "simple" task. (at least i thought it would be) So, i ...
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1answer
128 views

need for external i/o interfacing like in 8086 for latest processors

I am a student now currently learning about interfacing 8255 with 8086. For me the doubt is that, is there a need for external i/o interfacing like in 8086 for latest processors? what is GPIO ?
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47 views

System Verilog Adapter Interface

I am using Xilinx's PCIe Core, which in its latest version duplicates the AXI valid signal 22 times. This means writing something like {22{1'b1}} every time I try ...
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2answers
396 views

Interfacing Arduino and Siemen's PLC S71200

I am doing a basic project relating to home automation in which i want to glow an LED/Bulb using a PLC wirelessly. A BLE module DBM01-S is used which takes signals from an Android phone and transfers ...
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1answer
49 views

Interfacing 6116 RAM to a data bus

I have a question about interfacing IDT6116SA15TPG SRAM to a tri-state data bus controlled by 74LS244 tri-state buffer. I could not find an old memory like 74LS289 with separated inputs and outputs. ...
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4answers
139 views

What are my options for interfacing **30** incremental encoders to an MCU?

Background: I am familiar with interfacing a few incremental/quadrature encoders to a single MCU chip. My go-to chip STM32F10x can decode 4-5 encoders even in a ...
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164 views

Voltage regulator like LM 317 which can interface like SPI or I2C

Is there any variable voltage regulator IC similar to LM317 available the output of which can be programmed through a digital interface like I2C or SPI?
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1answer
129 views

Provide power if power is not present already (circuit inside)

I am designing a simple controller for an automotive application. As you can in the schematic below, they system is consisted of a sensor, a gauge and a controller. This particular sensor shorts its ...
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80 views

Interface USB to micro controller [closed]

Following thing I want project. micro controller USB interface Ethernet Do I require external USB driver to get USB interface with microcontroller? Is it inbuilt in microcontroller? I am new to ...
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2answers
72 views

HMI for small desktop laboratory equipment [closed]

We are building desktop laboratory equipments and wondering whats the next step for HMI from 40x2 Text display and small switches. Idea we are contemplating are... bluetooth in device and android ...
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1answer
52 views

onewire emulation in Software

Is there any full software implementation of onewire protocol ? I mean : can we have a SW that is manipulating a PIO to emulate fully the onewire protocol ? (for instance : ARM-M4 running @150MHz).
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1answer
23 views

interfacing MATLAB and ClearSCADA

Is it possible to pass data from Matlab to ClearSCADA software? On their forums I found this: http://telemetry.schneider-electric.com/id3/forum/messageview.cfm?catid=51&threadid=973 but this ...
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1answer
97 views

Communication between three atmega controller

I am using three micro controllers mainly for printing, ADC and one main controller for controlling all. Between these controllers only 2 pins are shared commonly. So, there is possibility that ...
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1answer
78 views

LCD interface to Controller

I am using 3.2' TFT LCD with touch pad. LCD has pins RD and WR. What is RD and WR pin? Is WR for RD also ( for both write as well as read )? Where to connect RD pin of LCD? Please see attached ...
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245 views

TLC5940 - Interfacing With PIC18F - Is “Counter Overflow” A Problem?

When I wrote some driver code for the TLC5940 on the ATMega328P, I used two timers to drive the GSCLK signal and the BLANK signal. If I remember correctly, both timers were running off the same ...
3
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1answer
218 views

simple GSM SIM modem

I'd like to build a prototype of simplest possible GSM device - a simple modem with SIM holder, capable of logging on to the SIM's provider network and nothing else. It's meant to be used as a GSM ...
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48 views

Flex sensors and pinoccio Interfacing

So I'm planning to interface these flex sensors https://www.sparkfun.com/products/10264 with a Pinoccio: https://pinocc.io/ Since the onboard ADC accept voltages till 1.6 volt and i need to ...
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1answer
542 views

Arduino Mega & LIN Transceiver (MPC2004)

I am trying to connect an Arduino Mega with another device using a LIN Transceiver. I have decided to use a LIN MPC2004 Transceiver for this. I am now trying to understand the reference design of ...
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1answer
474 views

High side P channel MOSFET power switch - gate question, and suggestions for my circuit?

My circuit is for switching a 12V battery to a load (LED lights, designed for automotive use), during my testing with prototypes, the lights consumed about 400mA, meaning they were ~5W LED products. ...
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1answer
132 views

SPI reading from slave

I have small question about how bytes move around during SPI reading. I have a flash memory chip and microcontroller. Suppose I want to know jedec data from the chip(although it can be any data, this ...
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2answers
181 views

Can you turn a non-USB audio mixer into a USB mixer?

Ok. Pretty sure this sort of thing isn't possible but hey ho, I have a Behringer Eurorack UB1202 multi-channel mixer. I'm just curious if there is any way way to turn it into a USB ...
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2answers
133 views

Is it possible to control many microcontrollers using a single microcontroller/microprocessor? [closed]

I am presently working on Home Automation Projects, having no of home appliances. I would like to know the ways that I can control many micro-controllers using a central ...
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2answers
133 views

How to connect dual 5-pin GS232 to a single 8-pin G-5500 Rotator

I have a Yaesu GS232 computer interface which has two 5-pin slots, one for elevation and one for azimuth. This is supposed to be connected to a Yaesu G5500 Rotator which has a 8 pin DIN slot. Supplied ...
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0answers
121 views

As a beginner, how can I learn about basic interfacing? [closed]

I have a good background in programming (C, C++, Arduino, Python, Objective-C), and am majoring in electronics engineering. We have been taught about Digital Logic, Basic Microcontrollers (8051 - ...
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1answer
81 views

DSUB9 maximum signal speed

Is there a practical limit to how fast a data transmission can be run over a DSUB9, SMD male to ribbon cable female? An engineer from a large connector manufacturer once told me that the insertion ...