An interface defines clear boundaries and communication/interconnection between systems.
-1
votes
0answers
34 views
how to build a calculator using microcontroller? [duplicate]
I am new in electronics. I have a project that needs a module/circuit that can calculate and play sounds based on buttons pressed. I need suggestions regarding the circuit/module and its interface ...
1
vote
1answer
20 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
votes
0answers
15 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
...
-1
votes
0answers
23 views
ST:How to interface STM8S003K3 controller with 78M6610 metering IC?
-I am new to ST semiconductor micro controller. My question is how to interface STM8S003K3 controller to 78M6610 metering IC???
-If some sample code is available then it will be very helpful for me.
0
votes
1answer
73 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 ...
3
votes
7answers
269 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 ...
4
votes
2answers
117 views
Why did the datasheet mention this interface?
I have a ST32F103RET6 MCU. I got the datasheet(and refrence manual). When i saw in the datasheet(and refrence manual), i saw this part:
i have several questions now:
I don't know, why did the ...
3
votes
1answer
80 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
votes
1answer
116 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 ...
-2
votes
1answer
146 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?
...
-1
votes
1answer
62 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
105 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
vote
2answers
191 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
413 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
132 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
votes
2answers
637 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
vote
1answer
84 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 ...
4
votes
1answer
176 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
votes
1answer
148 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
2answers
68 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
119 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
234 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
votes
1answer
106 views
2
votes
0answers
138 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
172 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?
-1
votes
1answer
58 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
66 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 ...
2
votes
1answer
108 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
416 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
291 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
100 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
222 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
428 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
440 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
194 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
66 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 ...
-3
votes
1answer
301 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
226 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
202 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 ...
4
votes
1answer
274 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
95 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
198 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
258 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
277 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 ...
15
votes
2answers
587 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?
7
votes
3answers
721 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
384 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
828 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
399 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 ...
5
votes
3answers
312 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 ...
