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1
vote
1answer
36 views

Using Nexys 4 audio port [closed]

I have a digilent Nexys 4 board that I am using for learning Verilog. I have written a code that requires connecting an audio speaker to the board for evaluating. What is the speaker that can be used ...
0
votes
2answers
44 views

Designing a board for NXT/EV3 with MANY ports

I'd like to design a board for Lego Mindstorms NXT/EV3 that has many I/O ports. The board, like the original "smart" bricks, would have 2 kind of ports: sensor ports (two modes: analog, and I2C) ...
1
vote
1answer
42 views

Connecting FT2232H board (60 MHz via 2.54 mm header) to FPGA board

I am trying to connect FT2232H breakout board (http://www.digikey.com/catalog/en/partgroup/ft2232h-evaluation-board-ft2232h-mini-module/15377) to DE0-Nano FPGA board ...
3
votes
1answer
160 views

Eagle: use device in schematic, but hide it on board

How can I hide a device on a board, but still use it in the schematic? For example, I want to have relays in my schematic which are on an other board, to make the schematic more understandable.
0
votes
2answers
106 views

What is this little board I've found in an ATX PSU?

I have dissassembled and old ATX power supply, and I've found this small board between the male AC input socket and the main board. What is it?
1
vote
3answers
155 views

Ensuring that the a circuit breaker in a secondary elec. distribution board will go off before a circuit breaker in the main board

I want to create a small portable single-phase secondary electrical distribution board to safely power up some lights in my back yard. The board will be powered from a wall socket, and will contain ...
1
vote
0answers
110 views

What is a Good Dev Board for Learning ARM for an Arduino User? [closed]

Lets start from my background: I am an Arduino veteran. I have played around with a lot of sensors and know a bit about hardware and software. I knew from the start that ARM platform has a lot of ...
-1
votes
2answers
86 views

Designing with ARM SoCs [closed]

I want to learn how to design and develop boards for SoC systems (i.e. i.MX from Freescale). This can be real useful to me because there are countless things I could do with the possibility to design ...
0
votes
0answers
46 views

Choosing Connector for High Speed Signals

What parameters make connectors for high speed signals different from ordinary berg sticks/box connectors? I want to connect MIPI-CSI2 signals from my Processor board to an Add-On board through ...
7
votes
1answer
545 views

Name for this type of connector?

Can Anyone help me to identify this board to board connector? 7 springs connector on top and 8 on the bottom. answer Found a Korean company producing it. Thanks. This is the plug on the other ...
7
votes
2answers
532 views

Using copper clad for RF projects

As a novice reading "Build Your Own Transistor Radios" by Ronald Quan I was kind of mystified by the author's statement that using "vector" board would be easier than using prototype boards, but the ...
1
vote
1answer
112 views

Tool to remove traces on a stripboard? [duplicate]

I was wondering what sort of tool works best for removing traces on a stripboard like the following: Datasheet. Product page on Mouser. Image from http://commons.wikimedia.org
2
votes
5answers
3k views

How to cut the tracks of a stripboard

Since I've started electronics I'm using this kind of board for permanent projects: But sometimes it's a bit annoying, especially when I need a line going from the top to bottom of the board. ...
10
votes
4answers
653 views

OK to connect boards perpendicularly like this?

Are there any disadvantages in using the following method to accomplish a perpendicular board-to-board connection? (i.e., any disadvantages in terms of board manufacturing capability/cost assembly ...
1
vote
1answer
278 views

Troubleshooting ready board with LM339 IC?

I thought, I will not bother any more with this project of mine, but I really run out of ideas trying to get it to work. When using breadboard, the design works as expected (did it couple of times ...
1
vote
1answer
365 views

SOT23-5 Package vs SOT23-5L…Differences?

I'm designing a board which uses an LDO that comes in the SOT23-5 package. I have these parts in my possession, and on the part label (from Digikey) it displays that it is a SOT23-5, which makes ...
2
votes
2answers
180 views

Can motherboard heatsink screws change the inductance of nearby traces?

I have bought motherboard and heat sink. The heat sink uses metal screws and the screw heads are isolated from the board with thin mica insulators. But the screws end up being above some traces on the ...
2
votes
3answers
203 views

What do you use a board like this for?

I'll start by saying that I'm a software guy, I know literally nothing about electronics. I recently bought a raspberry pi, and while browsing at my local electronics shop, saw this board for $5. ...
2
votes
1answer
73 views

Searching for standalone unix development board to connect DC motors

I though a bit about the board and came to the conclusion that it may be more intelligent to use a stand-alone component which provides serial ports and an unix os which I then can control over the ...
-1
votes
2answers
574 views

Best development board for cmos camera project [closed]

I want to interface a high definition (best quality) cmos camera with a development board. I have use arduino, raspberry pi and pic microcontrollers for some projects in the past but i dont know a ...
0
votes
2answers
849 views

Arduino Clone is not talking to my Mac

When I plugin my Osepp Uno (off-brand of Arduino Uno), the LED flickers a bunch, then the RX and TX lights do the same. But when I ls /dev/ | grep -i usb I get ...
-2
votes
1answer
287 views

How strong are the Arduino boards relating to interference robustness?

In my previous question the problem was related to EM noises with the Arduino boards, then I asked myself: How strong are the Arduino boards relating to interference robustness? For example, if I ...
-2
votes
1answer
76 views

How to get rid of viscous drops from a circuit board [closed]

My mothers Dell Inspiron n7110 was spilt over with red wine and doesn't star anymore. Even the front LEDs don't show up in any case. I was able to dissemble it using the following guide also gives ...
0
votes
1answer
159 views

Could an aluminum housing and passive cooling interfere with SoC's functioning?

I took the board out of a broken tablet. The SoC on the board gets hot pretty quickly. I thought about fixing the board to an aluminum plate, so that it touches the SoC and disctributes its heat, and ...
6
votes
3answers
275 views

Does PCB artwork affect operation and how is the effect validated?

Sometimes PCB designers will draw some art on unused PCB areas. Like here and here. Looks great, but does this affect schema functioning? According to answers to this question an entirely isolated ...
0
votes
2answers
640 views

Development board with cellular capabilities smaller than Arduino [closed]

I would like to build my own cellphone (phone calls and texts at least). Having experience with Arduino, I found several cellular shields and libraries that could allow me to do so with Arduino. ...
2
votes
1answer
119 views

anyone knows miniature wireless system with data rate >= 2000 Hz?

I am currently using TS7250 board from "embeddedarm" for my sensor and having it set up at 30 KHz for data rate. However, the board is too big for my current application. Can anyone recommend another ...
-1
votes
1answer
58 views

Wrong voltage sent to output

Using miniLab1008, I am trying to send 10V to my D/A OUT0 but it sends only 5V and when I send 5V, I get 2.5V. I am using the universal library example VOut01.c Is this a board problem? However using ...
4
votes
4answers
7k views

How to easily find or create parts for Eagle schematic/board layout

For Eagle CAD software, during schematic or board layout, how can I search for parts/footprints already created by other people out there, to make my life easier? And if I'm still unable to find what ...
-1
votes
1answer
140 views

Request for manuals

I just bought and received a NXP Cortex-M3 LPC1768 Development Board + 3.2" TFT LCD Module from eBay: But it came without English manuals. I contacted their support, nothing they can do about it. ...
1
vote
2answers
2k views

Tiny ARM Development Board? [closed]

I need a very small ARM based development board capable of running Linux (and Android, if possible, via SD card). The board should be not more than 25mm in terms of breadth. I found Raspberry Pi Model ...
6
votes
5answers
623 views

How do we test reliability and quality so as to minimize the risk of board failure in the field?

We are developing a smart cable for a customer. The market potential is hundreds of thousands of units. The vendor who designs and supplies the boards (with firmware) that will be built into the ...
0
votes
1answer
833 views

Bluetooth 4 and Wifi direct chip development board

I'm trying to create a device which uses bluetooth 4 or Wifi Direct to send gyroscope readings from my device to a PC. I know nothing of bluetooth and wifi chips and protocols, but I was thinking of ...
3
votes
3answers
2k views

Motor driver board - wingxine - need help with wiring

Recently I bought this motor driver but I didn't get wiring diagram for it (it's last time I bought something like this). I would like someone to provide some wiring schematics for this motor driver ...
0
votes
1answer
290 views

Tiny wi-fi module on one board with ALU and memory?

I am looking for small and cheap wi-fi modules and I want to know, what are the current best results in this area. Also, I would like to know, if it is possible to seamlessly integrate such modules on ...
1
vote
1answer
875 views

Building multiprocessor motherboard

I would like to build a multi processor motherboard using ARM processors (e.g. the ARM Cortex A8 or A9 or others as well), for low-power computing. Is this possible ? I mean interconnecting the ...
2
votes
2answers
404 views

Minimal requirements for a dedicated VNC client

On many occasions I've considered doing a small hobby project to design a minimal dedicated VNC client, in essence with a goal of a $2 cloud-based computer! (ok $2 is chosen completely arbitrarily). ...
1
vote
2answers
250 views

What is failure analysis of PBCA?

I do not know whether this is the appropriate place to post this question but i guess its related to electronics. Basically i'm doing some research on what is the term for "PBCA" in failure analysis? ...
4
votes
5answers
2k views

Good ARM development board for bare-metal development

I'm looking for an ARM development board for bare-metal (no underlying OS) development. Some criteria that I value: 1) External SRAM/SDRAM, at least 1MB 2) External Flash, at least 512kB 3) Built-in ...
2
votes
1answer
193 views

PCB Layout Issue

My PCB has drill holes in it as it needs to be screwed onto a case. Since some of the components too close to the screws were shorting, I moved components around to solve the problem. This resulted ...
1
vote
1answer
165 views

Voltage problem in printed circuit with switches

I've got a simple circuit consisting of a 74157 MUX, whose entries come from switches. These entries have also 10k pull-up resistors, so when the switches are open (default), inputs are at 5V. When ...
2
votes
1answer
1k views

Development with InvenSense MPU-6000/6050 - where to begin?

I'd like to use a MPU-6000 chip for an AR app on an Android device. However I have no clue where to begin, which parts I need or whatsoever. I'm familiar a bit with Arduino, but only as a newbie. ...
3
votes
2answers
654 views

Kinds of PCB Boards

I'm new to the world of etching PCBs. I etched my first board yesterday, and though it was a success I didn't like the PCB look. I saw this picture (attached) and I like the material of this boards ...
1
vote
1answer
381 views

Do it yourself: baby call monitor

This is kind of a hobby project (I'm an informatics professional but I always was fascinated by electronics). I want to build a baby call (basically, a one way intercom); to simplify the electronics ...
0
votes
1answer
111 views

Looking for some references for embedded telecom board

I am involved with an embedded software development for telecom industry. I have zero experience before with such embedded hardware devices. I got a network processor board, which is featured in ...
3
votes
1answer
2k views

Build ATMEGA16 Board

First of all, I'm a newbie regarding electronics&robotics so please bear with me. I have been working as a programmer for a few years but I just got interested in playing with microcontrollers. ...
2
votes
2answers
136 views

Is a loginway PIC-01 development board enough to program a PIC?

I have a loginway PIC-01 Development board (it was sat in a cupboard for years). Does this board require additional adaptor hardware to blow a PIC (ICSP stuff etc), or can the on board serial port be ...
0
votes
4answers
363 views

Form factor for a large LED array on a small board

I am designing a fairly simple board with an 5x8 LED matrix. I plan to drive it with an LED driver I haven't chosen yet, probably on a separate board connected by a ribbon cable. My question is: ...
2
votes
1answer
270 views

Cases for Phidgets boards [closed]

Are there cases for Phidgets IO boards such as the 1019 ?
4
votes
5answers
2k views

MSP430 programmer

I was hoping you would share with me info on making my own board for programming. I recently came into a handful of MSP430F20xx that I'd like to play around with, but my student budget isn't offering ...