Questions tagged [interconnect]

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40 views

How to connect J-link OB to an RF transceiver module?

I'm looking to program the RFM380F32 RF transceiver module which includes an ARM Cortex-M0+ processor: http://www.hoperf.cn/modules/soc/RFM380F32.html The documentation suggests programming in Keil ...
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1answer
40 views

PCB board to board connector with thin footprint

I am trying to design a small PCB that goes into a bigger PCB. My small PCB is mounting a very sensitive fragile sensor on the top surface that has to be wire bonded to the PCB, so I am trying to ...
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2answers
66 views

Best way to connect PCB to enclosed AC/DC power supply

I'm trying to minimize assembly time in a system that will require a PCB interfaced to an enclosed AC/DC power supply. Unfortunately, on-board AC/DC converters are not economical for my power ...
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0answers
21 views

Connect gesture control to media player of the car

I am very new to design and implementation of embedded systems. I have designed and implemented the gesture detector like in BMW. There are many open source projects to implement this project. My ...
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1answer
58 views

“The D-PHY specification defines the maximum lane flight time to 2 ns.” Why?

I'm hoping someone can explain to me why the maximum lane flight time matters. Impedance matching, skew, attenuation, etc. all make sense to me as a natural limitation to how long an interconnect can ...
3
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5answers
974 views

Is there a “common voltage reference point” for all the circuits that connect together?

Nowadays, the whole world is interconnected. We often say one device communicates with another device through the network. In this context, the 2 devices are viewed as 2 separate entities. But I think ...
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1answer
84 views

Correct Way to connect 5 car batteries in parallel

My RV (which I bought used) came with 3 Deep Cycle Marine batteries in Parallel. A previous owner added wiring inside the coach for 2 more batteries, but they were not there when I purchased the coach....
1
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1answer
54 views

How to implement an interconnection matrix in VHDL?

I was reading through the documentation of the AXI standard when I came across the interconnection matrix shown below. In short, the interconnection matrix provides a path for several masters to ...
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0answers
8 views

How exactly does the AvalonMM interconnect work using all the pieces that it has?

When looking into the "memory-mapped interconnect" in Qsys for my system, I can see many components that are inserted by Qsys when the system is generated. These are all part of the Qsys ...
2
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1answer
330 views

CAN Bus - Daisy chaining nodes

I have 6 nodes that I want to connect on the same CAN Bus. All the nodes are installed in the same 19" rack, so each segment will be less than 2 ft (0.6 m). The CAN Bus connection on all the ...
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0answers
21 views

STMicroelectronics Evaluation Board - What is a “Standard APG connector 4x36”?

I am interested in using the STMicroelectronics SPC56M-DISP eval board but have been unable to locate a connector for the interface. I want to connect it to an EVAL-L9788. The ST documentation for ...
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2answers
323 views

How to solder a wire to a massive copper busbar

I need to solder a wire (tinned coper) to a massive copper busbar, I tried two approaches but to no avail. I tried heating up the busbar with a heat plate to 300 °F (150 °C) and then tried to solder ...
16
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4answers
6k views

How to solder to this glass pcb?

I have this glass PCB I took from a calculator that I'd like to get working with my Arduino as a numpad, but it's a glass PCB. Is there any way I could solder wires to it?
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0answers
66 views

Board to board - side by side connector?

I am looking for connectors to connect one PCB to another side by side. Currently I am using the basic 90 degree through hole male and female sil connectors but these ofcourse not very sturdy. I need ...
1
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3answers
213 views

circuit for hot-pluggable device

I have a scenario, where device A provides 24V, device B converts 24V to 3.3V and feeds it back to ...
0
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5answers
136 views

What kind of connection to use between two circuit boards that move with respect to each other?

I need to connect two circuit boards - one with a microcontroller, power circuitry, display, etc to another with several sensors on. The connection will require somewhere between 4-10 lines - 5V power,...
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0answers
66 views

How to calculate distance between two wire-pcb connectors with high voltage for keeping connectors isolation?

I'm planning the way of connecting 8 devices terminal wires all together within a 6kV point (V+), there will be 8 more wires connected to GND (V-). Those V+ and V- points will be in the metal case. ...
-6
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1answer
117 views

What does 8W8 or 7W2 stand for in connector description? [closed]

Pretty straightforward from the title.
2
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1answer
664 views

What happens when there is a simultaneous Read and Write launched to the same address in AXI3/4?

I have a doubt regarding the AXI3/4 protocol. Assume a hypothetical scenario where a single master issues a valid Read and Write transaction to the same address simultaneously. From the AXI ...
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0answers
55 views

AXI4 Interconnect blocks transactions?

I have an AXI4 master on one board and AXI slave on the other (BRAM controller). The data is transferred using Chip2Chip and Aurora as shown in the figure. I would like to initiate several burst ...
6
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4answers
2k views

Can I use USB data pins as a power source?

I'm trying to build a circuit as seen below, where a sequencer controls the flashing of some LED sections, and an SPDT switch controls power to either the left or the right section of LEDs. However, ...
1
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1answer
2k views

Are connectors and pin outs standardised by the MIPI alliance? [Also can anyone name this connector]

Does the MIPI alliance standardise or are there at least any conventions for connectors and pin outs between devices that use there protocol specifications? The device I am interested in (Microsoft ...
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2answers
273 views

Options for permanently joining two flexible printed circuits (FPC) together?

Robust, simple and cheap method to join a pair of flex pcbs / flex printed circuits (fpc) together? One option could be making both circuits rigid-flex then joining as one would two pcbs, which would ...
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0answers
38 views

Thread pitch on locking 1/8" audio connectors?

I feel silly that I can't find this on Google... what is the thread size on locking 1/8" audio connectors like these? There seems to be a de-facto standard, but I can't find any numbers and it's hard ...
2
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0answers
29 views

quick path interconnect vs AXI

I want to know the performance difference between AXI and Intel's quick path interconnect which has been replaced by Ultra path interconnect(interms of latency). This is for very low latency(25 ...
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2answers
28 views

RF connector/ interconnect for Gate signals

I need connector as shown in pictures. I spent good couple of hours trying to find them on Farnell but the lingo for such connectors is little difficult for me. I read a lot too but couldn't find ...
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1answer
263 views

Crimp and Solder connectors for flexible electronic

I am desperately looking for crimped connectors compatible with flexible PCB and devices such as the one depicted in the following figure : This is a pressure sensor based on a piezoelectric polymer. ...
3
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1answer
210 views

Coplanar PCB interconnect solutions - As cheap as possible

TLDR: Hardware design Newbie is lost in the jungle of options. Base Problem: I am designing a set of PCBs that are supposed to fit into a square grid pattern and be recombined in different ...
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1answer
77 views

SPI clock signal problem

I am working on a breaboard prototype involving an Arduino; it used to work fine (connection point (a)) until last day when SCK went missing. Or not missing but distorted; sometimes the logic analyzer ...
0
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2answers
170 views

connector for male usb A plug not on PCB

I have a PCB that needs 5V input and I want to plug my contraption(PCB + battery in a housing) into a USB power receptacle. The housing has a male USB A plug popping out perpendicular to the PCB and I ...
0
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2answers
375 views

Soldering USB cable to the bottom of USB connector

I have a USB device with a type A jack connector (see photo). I am integrating this device as a part of another device and due to requirements for ruggedness I would like to have a fully soldered USB ...
16
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4answers
23k views

What is the advantage of optical TOSLINK over RCA coaxial cable?

A popular standard for the transmission of digital audio between audio devices has been the AES3 standard (also known as S/PDIF). The standard sends stereo PCM audio and of often found in consumer ...
6
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3answers
671 views

Advantages to solder over headers?

I'm in the process of assembling an embedded (Raspberry Pi-based) machine that has a lot of sensors wired together via I2C. I find myself adding headers for the I2C lines to all the little tiny ...
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1answer
125 views

Connecting GPU chips in order to create more powerful graphic card [closed]

I had thoughts about GPU and I came up with an idea. Why not putting more than one GPU chips in order to create a powerful graphic card? Is it possible with ordinary GPU chips or one need custom ...
6
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2answers
7k views

Pinout for board to board ribbon cable

Update/significant change: The question below is based on a false premise: taking into account that an IDC with keys pointing out from the cable on both ends swaps the front and back rows, simply ...
5
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2answers
331 views

Identify this 50 pin connector

I have this connector that connects 2 50 pin cables together. The opposite side is also male. The pin spacing is 0.1". From my research it appears to be a IDC50 SCSI connector, but I have been ...
1
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3answers
150 views

5A connector that fits through 1/4" hole?

I'm powering a load that draws 5A at 18V from a brick power supply. The power supply and load are separated by a thin metal wall that has 1/4" (6.35mm) holes in it. So I'm trying to find connectors ...
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1answer
591 views

Custom connector for connecting 8-pin to 20-pin

ARM-based device have 8-pin 2x4pin JTAG header. J-Link debug probe have standard 20-pin J-Link connector. I have 8-pin 2x4 Socket-Socket IDC Ribbon Cable. One end connects to the 8-pin JTAG header on ...
0
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1answer
53 views

What is the role of a Network Interface Device in a ADSL connection?

What is the role of a Network Interface Device in a ADSL connection? Why the filter is not enough? What is the difference between them?
1
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3answers
379 views

0.1" Header Cable Connector w/ Male Pins

I have a Digilent chipKIT Pro MX7 microcontroller development board. The majority of the boards I/O is through what Digilent calls a "Pmod" connector. What they really are is just 2x6 headers with a 0....
1
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1answer
2k views

How can I connect wires to my breadboard? [closed]

I am building a couple of data acquisition fixtures. I'm locating the USB daq hardware and a breadboard inside an enclosure with panel mount sockets for the external connections. Nice and clean, ...
3
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2answers
809 views

Welding small diameter wires together

I have a miniature two wire PT100 and need to extend its leads. Given the temperature at which it may operate, I cannot solder extensions. Is welding an option, and if so how do I go about it?
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2answers
145 views

multi microcontrolers and one ram for use like a circular buffer for intercomunication, how do and select?

I'm studying the development of a hardware composed of modules, I initially thought of a serial bus like ICSP, I2C or even CAM to communicate between modules, but I wonder if it could not use a ram in ...
-1
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1answer
496 views

Switch / power on nodes when CAN bus is powered up

I have a CAN bus with one node acting as a master and several slaves. All nodes have a independent power supply. Is it possible to switch all nodes off and on from the master? The switch off can be ...
1
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2answers
139 views

Is there a standard way to build a configurable circuit topology mesh using mechanical or solid state relays (or/and other components)?

Preamble: The motivation is to build a hybrid analog/digital computer this is reconfigurable (the topology of the opapms, resistors, capacitors, adders are all wired automatically -- without human ...
0
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1answer
159 views

No hotspot in a component created in Altium

I have added a component to an SCH library in Altium. I have just drawn the component (just the schematic and not the footprint!) and added to it a model that I found on the TI website. I just need ...
1
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0answers
459 views

Simple Interconnect circuit to simulate crosstalk in ltspice

I want to implement a very simple interconnect circuit to simulate crosstalk in ltspice because I am new to this area of crosstalk. Where can I find such a design? I have searched in the net but all ...
2
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3answers
1k views

Soldering to PCB edge connector coated for FPC contact

Figure 1. (1) Lenovo keyboard controller (upside down), (2) keyboard membrane lower layer and (3) upper layer. The spacer layer is just about visible around the contact dots. I'm building a ...
0
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1answer
64 views

How to connect stages in digital logic?

Let's say I have a logic stage doing an operation on 2 inputs, giving me an output. How could I use this output to forward it into another set of logic stage, without having to put everything in the ...
6
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2answers
326 views

Why do PC bus frequencies often end in multiples of 33MHz?

It seems like there are a lot of frequencies for different system buses that end in 33 or 66MHz. Is there a particular reason for this?