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

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2answers
35 views

Drive logic signals when power might be off

I'm designing a board that interfaces two systems with an SPI signal. Each system has a 5V power supply, and I have access to both supplies, but either supply may be turned off at any time. How should ...
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3answers
51 views

Weird output on 16X2 JHD162A LCD display

I am learning interfacing of Atmega 16a with 16X2 LCD. I have a written a header file for routines which will used frequently and every time I want to interface with LCD using Atmega 16a I use this ...
0
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0answers
21 views

Multiple phone (pstn or gsm) numbers in a single modem

Is there any way to receive calls to multiple numbers in a single modem in case of PSTN (land phones) or sim in case of GSM? I already know that for GSM, there are multi-sim modems available but I am ...
0
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1answer
41 views

Does BAFO “BF-810 USB to Serial Adapter (DB9)” supports full serial port?

Does BAFO BF-810 USB to Serial Adapter (DB9) support full serial port (hardware flow control) functionality? If not, how can I test full serial port functionality using serial port only with TX, RX?
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1answer
55 views

How do I connect GPS receiver module with USB interface?

I have a GPS module DS-330R which has 6 connections, two are not used, one is Ground, one is Vcc (3.8 to 12.0V DC) and the remaining two are Data+ and Data- for USB connection. My questions are: Can ...
1
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1answer
127 views

keyboard and mouse interface

How do I interface a microcontroller with PC USB so that I can imitate the keystrokes and movement of keyboard and mouse. I've heard of software fixes, but is there any IC which can mimic the ...
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1answer
51 views

Signal to Noise Ratio [closed]

Please explain about Vih,Vil,Voh and Vol and how they are relaed to SNR? Do we have to take care of these parameters when we are selecting any peripherals to interface with master controller?If yes ...
3
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2answers
281 views

Interfacing with SATA in embedded systems

Would it be possible to use a SATA interface in an embedded system, for example a MP3 player or a video camera? (speed not critical) What is the typical way to do this? On chip peripherals, external ...
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0answers
135 views

Interfacing MSP430 Launchpad with OmniVision Camera Module?

I have seen that it is possible to interface an OmniVision OV2640 camera module with Ardiuno Uno. Would it be possible to interface this Camera Module with an MSP430 Launchpad board to get a video ...
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1answer
43 views

Automotive IO input protection design for ESD, transients, and reverse polarity compatible with ISO 7637

I want to accept an signal that could have any of the transients defined in ISO 7637-3 on it. It is a reset signal that could be tied to 24V in the case of a wiring harness meltdown but typically ...
2
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0answers
100 views

Are any USB-to-SPI *slave* bridge chips readily available?

I would like to interface a battery-powered device to USB, without requiring users to install drivers. Data transfer requirements are moderate, so the ~60kbytes/sec of HID mode would be fine, but I ...
0
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1answer
33 views

Will Renesas V850ES/Jx3-E support 1 wire protocol (max detect temp/humid sensor)?

I would like to connect the DATA pin of sensor to Digital I/O pin of a microcontroller. I am confused that in the data sheet of the sensor they have mentioned this: MaxDetect 1-wire bus is used ...
2
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1answer
113 views

Interfacing 3.3V SD card MISO output to ATmega328P

I am attempting to write data to a SD card from a ATmega328P micro controller with no luck. I've narrowed down the source of the problem to the MISO output of my SD card breakout board, which doesn't ...
0
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1answer
52 views

Are phone cameras interchangeable [closed]

I was wondering what determines the availability of a phone to support a camera? and if lets say I have an 8MP camera from one phone manufacturer with the same number of pins that would connect to ...
1
vote
1answer
55 views

Interfacing a serial DAC

I am trying to make a use of AD5612 DAC. It has a serial interface and I can not fully understand how to properly drive it. Given that I will be using only one DAC in normal operating mode with ADDR ...
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2answers
102 views

Interfacing without an Interface

I have a project where I need to interface with a machine that was never built to be interfaced with. I basically want to programatically press physical buttons on the machine(critical) and also ...
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0answers
63 views

Application of intel 8253 timer

8253 timer works in 6 different modes namely interrupt on terminal count, hardware-retriggerable one shot, rate generator, square wave generator, software triggered strobe and hardware triggered ...
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1answer
62 views

JESD204 ADC - fiber optic?

There's a Youtube video of a high speed ADC, using JESD204 high speed interface, interfacing with an FPGA via a fiber-optic transceiver: http://youtu.be/vkrms2udeKI Is there a commercial version of ...
0
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2answers
70 views

Do you really need all of the sigals for a general RS-232 port?

I know that having TX, RX, GND, RTS, CTS are good. What about all of the others? Do devices these days even make use of the other pins (DSR, RI, DCD, DTR)? Is it safe to generally leave out these ...
0
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2answers
62 views

What are the various interfaces used on memory devices

There are various external memory devices for temporary and permanent storage of data. This may have interface as simple as RD/WR signal with data-address bus and chip select with output enable. ...
2
votes
1answer
203 views

Barcode Scanner to Arduino/Interfacing

I've got an old barcode scanner that I've decided that I want to connect to an Arduino Uno(for the purposes of wireless transmission). After poking around I've found some information that states that ...
6
votes
5answers
5k views

Is there any bidirectional 5v-3.3v level shifter?

Is there any IC that interfaces any 3.3V Input/Output to 5V Output/Input? I need it primarily for an Arduino Due but if there any bidirectional IC that works like that it would be great. Some people ...
1
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1answer
150 views

Connecting a 18 gauge wire to a small housing

I'm using a sensor that has a specific connector, which outputs signal with 18-gauge wires, such as these: And I need to connect it to standard male header pins, where cables such as these would ...
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2answers
156 views

68 series CPU vs 80 series CPU

I'm reading a lot of LCD driver data sheets at the moment and they often have multiple interfaces (serial, 8-bit, 16-bit, etc...). They are also often also split into two sections "80 series CPU" and ...
2
votes
1answer
491 views

Real Time Clock DS1307 interfacing with Arduino Uno

I am currently working on an electronics project of building my own Digital wall clock. For that I tried making a RTC module with DS1307 IC. I followed the following instruction from this website. ...
2
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3answers
219 views

When do we use all pins in RS-232 cable?

I think the minimum for simplex communication are TX so we can transmit and the power supply pins +Vcc and GND. That is all we need. When do we need to use all 9 pins of RS-232? I think that the ...
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2answers
509 views

Interfacing an automotive pressure sensor to microcontroller circuit

This is a follow up to Measuring water pressure in a tank. I've decided to try and go a different direction so I'm asking a new question. I have an application in which I need to electronically ...
2
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1answer
208 views

How to drive a video signal (of any kind) to a CRT monitor? What's the protocol, interface, standard, convention, etc.? [closed]

Say I am going to develop a video displaying computer componenet (call it a TTL chip, GPU, whatever). There has to be some basics on how to communicate with the monitor, or how to make sure the data ...
2
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0answers
52 views

Interfacing NAND flash with PCI

This is mostly an educational endeavor. I'm looking into prototyping a NAND flash storage on an embedded platform running Linux. The ONFi standard seems convenient and promising, but I'm failing to ...
2
votes
2answers
150 views

MCP73871 <=> MCU interface

I am designing a small device powered by a lithium cell and I'd like to use the Microchip's MCP73871 battery charger to enable charging it from an USB port. The charger IC has three status indicator ...
0
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0answers
238 views

ADXL345 interface Pic16f877a

I have tried following code. Works absloutely fine until i see all values of X, Y and Z to be -1. No effect on tilt or anything VCC = 5V Chip Select is connected to uC SDA and SDL are connected to uC ...
0
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1answer
251 views

IC to interface between digital switches (12V) and microprocessors (3.3V)

I am working on an automotive general purpose ECU where I need to interface 12V digital inputs with a µC (3.3V). The PCB space is limited, so I am searching for a single IC as an interface between ...
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7answers
435 views

Best PC interface for simple custom hardware

What interface of your PC do you use in order to connect to simple custom hardware? The most commonly used interface was RS232 some while ago and today is probably USB, but wouldn't it be simpler for ...
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2answers
176 views

Why did the datasheet mention this interface?

I have a ST32F103RET6 MCU. I got the datasheet (and refrence manual). When I read the datasheet (and refrence manual), I found this section: Now I have several questions about it: Why does the ...
3
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2answers
379 views

Which interface is better for my OLED displayer?

I have a 0.96 inch 128x64 Yellow-Blue oled display module like this: OLED module and i want to use of it. The Driver is SSD1306. When you see in the SSD1306's datasheet you know it support 8-bit ...
0
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1answer
556 views

How to reduce the data rate?(OV7670 + AL422B(FIFO) Camera Module)

I bought this module: OV7670 + AL422B(FIFO) Camera Module and I want to send the live video of the camera by this NRF24L01 but I have a problem. I don't know is the RF module suitable(NRF24L01) for ...
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1answer
496 views

Problem with warnings in Xilinx tools [closed]

I am interfacing a VGA monitor with Spartan 3e kit. I have a problem in the code and I'm getting many warnings, as shown below. Could anyone explain the warnings? ...
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1answer
92 views

Connect Laptop to Conference center audio system through Microphone input

I want to play a video on a conference centers audio system. I saw the conference center interface the 2 with a microphone preamplifier. The input to the conference centers audio is a standard round 3 ...
2
votes
1answer
226 views

Help for find Camera Datasheet or interface to st32f103

I want to use of S302's Camera(the S302 is a mobile phone with a good camera) and interface it st32f103 but, unfortunately I can't find any datasheet for it. Also, I can find the schematic of Phone ...
1
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2answers
686 views

What FPGAs support USB 3.0 super speed OOB signals?

I would like to build a USB 3.0 PHY with FPGA. I have heard that some FPGAs transcievers should support OOB that is used in USB SuperSpeed differential lines. I am also wondering if such devices exist ...
4
votes
5answers
957 views

Ethernet RJ45 interfacing with microcontroller

I am working on a project, (still in the nascent stage) where I have to implement a serial communication interface and an Ethernet interface. I tried to find out as much as I can and got the following ...
2
votes
3answers
381 views

Interfacing with USB connector in simulation

I'm prototyping a board which has a USB connector, in Spice or any other circuit simulation technology. The production board will plug into the PC and there will be some software which talks to it ...
0
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2answers
2k views

3.3V <-> 24V interface

I need to interface an ARM µC (BeagleBone Black) with a 24VDC system. 24VDC sensors and 24VDC actuators should be connected to the BeagleBone Black. I am wondered how to do this. I have found a ...
1
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1answer
148 views

SPI Interfacing using Serial Port or USB

I have a nRF24L01+ module from Nordic Semiconductors. It has SPI interface. My laptop has USB ports and I have a Serial Port (Using a USB-to-Serial_Port adapter). What is the best possible solution to ...
6
votes
1answer
334 views

How to get 1-button-press to output 1-“active”-tick according to a clock

Background: I'm a software engineer with only a little knowledge of circuits--all informal--trying to build an 8-bit sum-carry binary calculator from basic logic gates. Question: Are there well-known ...
0
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1answer
375 views

Interface/pinout of a smartphone camera module?

I am wondering where, if any, I can get information regarding interfacing/connecting with a smartphone camera module. For example, this camera module is a replacement for SGS4 and I can clearly see ...
0
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2answers
138 views

Async FIFO master / slave

Consider an asynchronous FIFO interface (e.g. FT245, FT2232H or comparable). Since there is no clock, how do you decide who deserved to be called master? Or do you call it controller instead?
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1answer
404 views

Interfacing TinyAVR with bluetooth and passing message

I'm looking into interfacing the TinyAVR micro controller (not sure which one will work yet) with a Bluetooth module either the CC2540 or the nRF8001. I want to have the TinyAVR micro controller use ...
2
votes
1answer
505 views

How exactly do USB audio interfaces interface with a computer? (specifically ADC)

I have seen the likes of M-Audio fast track and similar devices that somehow covert an analogue voltage audio signal to a digital data stream which you can connect via USB to your computer. If I open ...
0
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1answer
183 views

Different RS485 Full-Duplex with RS422

Are RS485 Full-Duplex interface same with RS422 interface?