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6
votes
2answers
253 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
78 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
3answers
663 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
468 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 ...
0
votes
0answers
91 views

OrCad board file to Eagle board file

I am having one PCB design which is created by OrCad PCB designer software. I am having board and gerber file both. Now i want to export this design to Eagle board file, as all standard PCB print ...
1
vote
1answer
176 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
224 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
165 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
182 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
70 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 ...
-2
votes
2answers
367 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
537 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
261 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
71 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
148 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
242 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
457 views

Development board with cellular capabilities smaller than Arduino

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
113 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
54 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
4k 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
127 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
511 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
637 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
1k 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
259 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
773 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
358 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
223 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
184 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
158 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
953 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
479 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
321 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
107 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 ...
2
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
134 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
348 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
261 views

Cases for Phidgets boards

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 ...
7
votes
2answers
4k views

Best development board for ARM9?

I am looking for a cheap but powerful dev board for an ARM9 processor. It needs to be able to run linux. I am unsure about the exact specifications for RAM and such(thats partly why I'm posting this ...
11
votes
6answers
757 views

What are some 'gotchas' of high-frequency board design?

I'd like to design a PCB for an analog loop controller.. something with an A/D, D/A, and processor on board. (Either DSP or FPGA, I haven't decided.) Since this should modulate analog signals at 10 ...