An interface defines clear boundaries and communication/interconnection between systems.
0
votes
0answers
4 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 ...
-2
votes
0answers
48 views
Manual Control Interface For DSLR Camera [on hold]
From where can I get the code (any language) to control the features of a DSLR Camera manually e.g shutter speed, exposure etc.
Canon and Nikon cameras come with a pre-included software that can ...
4
votes
2answers
90 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 ...
-1
votes
0answers
21 views
USB debugger to view baseband messages on ARM Cortex A9
Is there any existing USB-based debugger for capturing baseband messages sent to/from an ARM Cortex A9 processor (the one used in smartphones and tablets)? Something on the lines of Qualcomm's QXDM ...
0
votes
1answer
58 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
votes
0answers
38 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?
0
votes
1answer
47 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 ...
1
vote
1answer
94 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 ...
-4
votes
1answer
112 views
What is a “santa cruz interface”, who created it? [closed]
There is HSMC that I have seen, but Santa Cruz just looks like regular pin header. What is so special about it? And why is the word Santa part of the name?
0
votes
1answer
56 views
0
votes
1answer
46 views
What are different media for uC (microcontroller) to store data that shall be input to a PC later [closed]
Well we can have a uC Embedded device that will use a chip to store data somewhere on the PCB. Than it can have firmware that will enable one to gain access to this data by means of a USB connection ...
2
votes
0answers
77 views
Digital RGB interface EMI filtering
Consider the following system:
where:
The motherboard contains a LCD controller (SSD1963 from Solomon Systech) and other components (application processor, solenoid drivers, power supplies, etc.)
...
0
votes
2answers
111 views
Using standalone smartphone camera
Is there any possibility to use smartphone camera modules without their smartphone?
those modules are relativity cheap and provide good results,
can someone explain how to do it?
-2
votes
1answer
52 views
what are the things to keep in mind when interfacing two digital devices?
what are the things to keep in mind when interfacing two digital devices, e.g FPGA with a dual shock controller or CPLD with a PS/2 Mouse, Microcontroller with an FPGA, FPGA with an external RAM.
One ...
0
votes
0answers
55 views
Communication between PTZ camera and an embedded board
I have a PTZ camera which has a serial Communication Port RS-232C and I want to connect it to a single core embedded system which has an Ethenet and USB.
How can I make the connection between the PTZ ...
1
vote
1answer
87 views
Processor - L1 Data cache interface
Sorry if the following looks like a very specialized (or programming) question, but I'm hoping there are people on this forum who have done VHDL/Verilog modeling, and might be able to answer:
I'm ...
0
votes
1answer
272 views
Arduino printer emulation
I'm working on a project in which an arduino should emulate a thermal printer.
I'm currently using an Arduino UNO R3 board with ATmega16U2 controller to handle the communication between USB and the ...
7
votes
2answers
252 views
Interesting 100Mbit Ethernet failure
I have a PCB designed using both 10Mbit and 100Mbit Ethernet, I have produced 100 boards 97% of which work perfectly (both 100Mbit and 10Mbit). On 3% of my boards the 10Mbit operates all the time, but ...
1
vote
1answer
90 views
Connection of EZ430-RF2500 development tool with PIC18f877
I want to conect the ez430-rf2500 development tool with PIC16f877 throught uart, do I have to use a max232 chip in order to be able to communicate between those two MCUs or it can be done without it.
-1
votes
1answer
172 views
Verilog interfacing with C#
Right now, I am taking a course on Verilog HDL, however, our instructor gave us a machine problem wherein we are required to implement a program using verilog while having C# as our main gui. The ...
4
votes
1answer
287 views
Handling the output of an AD8495
I am building a circuit with two AD8495 thermocouple amplifiers. I chose them because they are simple to get and quite cheap - there's basically no other reason. Now I need to create an interface ...
3
votes
2answers
314 views
Serial Port (DB9) signals
Just about every time I use a serial port for anything, I only use 3 pins of the usual 9-pin connector (DB9): Tx, Rx, and GND. And when I wire up my microcontroller projects to these ports, I just ...
0
votes
1answer
155 views
GPRS modem gets struck/hangs up when “AT” is entered
I started working on a U-blox LEON-G100 gprs modem connected to the PC terminal through UART. Whatever character I enter into the terminal gets echoed back except "AT". When I enter "AT", the modem ...
0
votes
0answers
65 views
Simple and inexpensive way to read 2GB flash?
For reading writing NAND flash chips with less than 2GB one could use a commercial XD card reader. Unfortunately XD cards only have 8 I/O pins.
Some 2GB (bank size) flash chips have 16 I/O pins. Is ...
-4
votes
1answer
238 views
How to interface a digital scale strain gauge weight sensor with a microcontroller [closed]
It is a Load Sensor(SEN-1638) Which can be used to Measure upto 110 Pounds
So,How To Interface the above sensor to a Microcontroller Component?
0
votes
0answers
182 views
where can I buy standalone smartphone camera modules?
Question 1: I'm planning on hacking together a little proof-of-concept device using a pared-down Google Nexus 7 tablet as the base. I'd like to connect a higher resolution camera where the current ...
3
votes
1answer
164 views
switch small DC voltage with 90v. 30hz AC signal
I need to momentarily activate an approx. 50mA @ 24V DC load, using a 90V, 30hz AC signal line. Whatever method is used, it needs to have the smallest current draw from the signal line possible.
I ...
3
votes
1answer
218 views
Interfacing a PIC microcontroller to different logic levels
I'm planning on interfacing a PIC microcontroller to two devices which operate on two different logic levels and I'm wondering what the best way of approaching this is. I'm rather inexperienced in ...
0
votes
2answers
87 views
Design advice: Radar interface
I am looking for design advice with a one-off Radar interface:
A RF video signal (Radar signal envelope) has to be sampled at 40 MHz
X datapoints in succession
triggered at 820 Hz
transfer of data ...
1
vote
0answers
169 views
I am looking for a way to interface a phone landline with my computer's sound card in both directions [closed]
My approaches so far:
This thread seems to go nowhere. It was trying to build the circuitry myself, but people have problems recommending suitable circuits. We keep on fiddling about with ...
0
votes
1answer
218 views
LF398 Sample and Hold Circuit
I'm having a problem designing a circuit to interface an LF398. On it's data sheet it says that it needs +5 and -5 volts, but I only have +5.
My questions are:
Can I put V+ on 5V and V- on ground ...
3
votes
3answers
253 views
Designing with AC'97 - why does it not have a (FIFO) buffer?
The AC'97 codec seems to dominate the world of digital audio I/O but, what is weird is that it has neither interrupts nor buffers so that it is difficult to interface with a controller, which has ...
13
votes
2answers
483 views
Why not use a ferrite bead around an RS-232 cable?
This is from the instruction manual of a printer:
As you can see, one is not supposed to wrap the supplied bead around the serial cable. What is the reason for this?
8
votes
3answers
642 views
What is this type of digits-only LCD called?
I've seen this type of LCD many times in weigh scales, calculators, gauges, micrometers, etc. I know it's a fairly traditional display but I really like its compactness, simplicity, and maybe it even ...
1
vote
1answer
339 views
Interfacing Gyro with arduino
I'm quite new to the world of electronics, and so I need some newbee-help.
I've got an Arduino uno, and I've recently bought a LPR550AL pitch & roll gyro.
(if it helps detailed info can be found ...
1
vote
2answers
776 views
adc-fpga interface guidelines for vhdl
I want to interface 3 separate ADS8548 ADC with XC3S200AN fpga. The fpga masters the control lines of the ADCs and it also acquires the digital data from the ADCs through parallel bus.
I will have ...
1
vote
1answer
333 views
Interface telephone handset
I have an immediate need (for a stage play) to take the audio from the microphone of a telephone handset and feed it to a Shure M67 audio mixer, familiar to anyone who's been in radio for a while ...
4
votes
3answers
277 views
ARM Programming interface and tool chain
I have acquired a RM48L952 that is an ARM Cortex R4F from TI and I would like to start learning ARM development with this chip. My question is can I use any JTAG programmer to program it? Something ...
1
vote
1answer
77 views
Muxed pin of Analog To Digital Converter,ADS8548 - Interface Issue
I am trying to interface TI's ADS8548 ADC with Xilinx XC3S700AN FPGA to get the coordinates from an accelerometer.
When I went trough the spec of the ADC, I found that pin20 is a muxed pin for ...
1
vote
2answers
472 views
Interfacing HEDS 9700 optical encoder with AVR atmega32
I'm trying to interface an HEDS 9700 optical encoder using an HCTL-2020 IC (or anything else) with my Atmega ( atmega128, atmega32, atmega16, atmega8 or any AVR-family based microcontroller, don't ...
5
votes
3answers
266 views
Interfacing Lego Mindstorm with ultrasonic transducers and actuators
I'm very new to electronics. I'm working on my school science project and am having difficulties to turn theory into praxis. For my science project, I'm aiming to construct a device that will enable ...
4
votes
2answers
280 views
PCI obsolescence - IEEE1284 (EPP,ECP,LPT) printer port ASIC
I have a product in volume manufacture where the embedded CPU is now obsolete.
I have to replace that CPU with a lower cost alternative. For political (and practical) reasons I don't have a choice ...
1
vote
2answers
313 views
I2C - RS232 controller
anyone have reccomendations for an IC that can be used to access a device with an RS-232 interface from an I2C bus?
Id rather have something that doesnt need programming as I already have a uC master ...
-4
votes
4answers
3k views
How to build a motherboard [closed]
I am building my own laptop, and found out that the motherboard for a laptop has to be designed based on the case. So, I am designing my own motherboard. The thing is, I have no idea how a ...
0
votes
0answers
79 views
How to make cards for POS? [closed]
My project is one similar to an automated dispensing system, and I want to use custom made cards which can be written to (by the PC) and read (by the machine). However I don't even know what this card ...
0
votes
1answer
94 views
Electric flow rate (Amper) on the com-port
I have sending data through com-port from PC.
Is there a constant rate of flow of electric charge (Ampere) when the com-port is used while sending or not sending data through it? Does the Ampere on ...
2
votes
2answers
732 views
connecting avr microcontroller to the internet
I'd like to connect my AVR microcontroller to the Internet.
I tried the enc28j60 ethernet controller, but I faced some problems with it. Besides I've read a lot about it and found it easy to be used ...
1
vote
1answer
291 views
Weight measurement using load cell and process indicator
I need to measure 0-200kg using a Baumer SAS PA418 process indicator. The manual is in french, I tried to use google translate but understand very little. A load cell is attached with the indicator ...
0
votes
2answers
956 views
Uploading Program to Arduino Using FTDI Cable or Programmer
I would like detailed instructions on how to go about uploading a program onto an Arduino using an FTDI cable/programmer. I'm just not quite sure what parts to order and how to go about doing it.
...
0
votes
1answer
371 views
BNC camera computer interface
I have some security cameras who's only interface is a BNC connector and I want to use them to do video processing. I want to find a simple way to interface a BNC camera with my computer so that I can ...
