The process of making the first working sample of a circuit, that may be on a temporary base like a breadboard

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1answer
58 views

Is it possible to measure acceleration in sports activities with an accelerometer

I've been trying to make a simple prototype capable of measuring a punch or a shot put throw with an accelerometer, but suddenly stopped working, and "locked" into a value, has I was testing it. When ...
0
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1answer
55 views

Panel-mount Solderless Connection for Prototyping Station?

I built a convenient prototyping station with a bipolar and 5V power supply in an enclosure, exposing binding posts for the supply and with a solderless breadboard stuck on with the adhesive backing. ...
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0answers
41 views

PWM to proportional bipolar control with push-pull amplifier. Need input and opinions

I'm putting together a circuit to control a (small wattage) TEC device in a bipolar manner. The idea is to have a micro controller put out a 3V3 PWM signal, level shift it between +- 3 V and filter it ...
0
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1answer
49 views

Looking for robust reversible prototyping solutions

I've recently started making use of Arduino and Teensy microcontrollers to build various one-off pieces of equipment for my work in a neuroscience lab. Often I find that, after a device has worked ...
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1answer
308 views

Am I risking a short circuit/gaping situation?

I am rather new to the DIY/hobbyist electrical engineering scene. I am working with an arduino, a 9V power supply, and a few 7805 voltage regulators. I bought some sort of run of the mill PCB board ...
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0answers
71 views

Trying not to be subjective, but is there an affordable development board for CPLD design? [closed]

Yes, I've Googled and I realize this could be considered "subjective" and not "fact based". But, this is the only EE community I know of that isn't centered around a brand (i.e., biased). I'm ...
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1answer
238 views

What are the contact pads near the ATmega32 chip on the Arduino Yun?

What are/What use have these pads near the ATmega chip? I thought they are used for testing or something else, they seems to expose the ATmega traces directly. Maybe they can be useful to connect ...
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4answers
99 views

Large Wires on a Perfboard

I am working on a project on Perfboard which involves controlling a motor that draws about 10A, and I am using 18AWG stranded wire to connect the MOSFET on board to the battery and motor which are off ...
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0answers
71 views

Multiple Layers per Page Printed on Altium Designer

I use Altium Designer for PCB design. Usually, before ordering prototypes with a better finish, I make my own boards at home, as many do. I'm playing with the Press-n-Peel sheets for the tonner ...
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3answers
584 views

Manufacturing Microcontrollers for portable vaporizer by first prototyping with Arduino

This question I have mainly has to deal with approaching an electronics company with just a working Arduino Nano prototype. Say I want an electronics component manufactured which consists of an ...
2
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6answers
761 views

How to create an electronically controllable resistance to a physical movement?

What is the best way to create an electronically controllable resistance to a physical movement? For example, at the gym you control the resistance to movement by putting more load, more weight. Is ...
5
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1answer
434 views

How can I safely prototype a mains power circuit?

I'm building a device that has a mains power component, which I need to prototype before building to make sure everything works. I know I need to make sure wiring—and insulation!—is thick enough to ...
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3answers
473 views

Need help finding PCB components on DigiKey

I am looking at the TinyDuino Schmatics (PDF) and Eagle BRD/SCH from Tiny-Circuits (an open source project) to put together Bill Of Materials. I am interested in creating my own version of this ...
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3answers
114 views

How to connect 1.5mm SMT alternating pins to 0.1" pin header?

I have a toy I'm trying to rehabilitate - the microcontroller was fried and I'm attempting to replace it with an Arduino. It looks like the connections were at a SMT pin-pitch (1.5mm spacing). To ...
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3answers
675 views

How to make final good looking prototype of our project?

The handmade projects we make contain a lot of loose wiring and are actually bad looking products. So what should I do to make my product look better and that we can actually sell directly to people? ...
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2answers
82 views

Weird Behaviour with Bootstrapping Circuit

I'm trying to make a 3 phase BLDC driver and picked up some FAN7888s since they're inexpensive gate drives with all 3 phases on one chip. I read the relevant datasheets and application notes and ...
7
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2answers
516 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 ...
0
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1answer
184 views

L298N damaged? What to do?

I'm trying to control a DC motor with the L298N motor driver and it worked for a brief moment. I've used the setup mentioned in this video tutorial, but someone in the comments said that with this ...
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3answers
622 views

Designing for pick and place

I am thinking of using DesignSpark for PCB design and pass the files on for manufacture. If I want to miss out the soldering part and get the full boards made by a pick and place machine, can I use ...
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4answers
310 views

Electronics protyping and manufacture

I need to design and build an embedded piece of electronics based on a PIC microcontroller. I am assuming the process is: choose chip (PIC16F690) prototype code on PicKit breakout board prototype ...
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1answer
146 views

Prototyping for Bluetooth accelerometer

I'm a software developer looking to prototype an application that requires input from a 3-axis accelerometer, ideally via Bluetooth LE. Current specs on the accelerometer are +/-50G sensing range ...
0
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1answer
219 views

Circuit working in breadboard but not perfboard

I am making a circuit to unlock my car doors. The central locking in my car works with 2 wires one at 12V, the other at 0V. When the 12V line is pulled low, the door locks. When the 0V line is pulled ...
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1answer
219 views

How to make prototype circuits that include microcontrollers, and avoid breadboard annoyances at high frequencies?

From my searches of the web ( as well as this question ), I have found that breadboards - like the one on picture - aren't a good idea when your application involves high frequencies. I am going to ...
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4answers
2k views

Why do Integrated Circuits must be Baked (in the oven) before being used on a Prototype Board?

Why do Integrated circuits mostly QFN, need to be placed in the oven for an hour or so, prior to being used on a prototype board. Is it to somehow improve the protection of the ICs against ESD or just ...
2
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4answers
307 views

Finalize project: How to go from breadboard to a semi-permanent circuit

I'm tinkering with Raspberry Pi, and envision a few small applications that will require external circuits. I find the breadboard setup to be a bit too fragile for long-term use, but I'm not sure ...
2
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1answer
73 views

Identify which face of a cube is up

I have a device whose shape is a cube and I need to identify in real time which face is up. My current solution is (not yet implemented) is to use a gyro to get angular variation, but I can see 2 ...
0
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1answer
75 views

STM8L discovery board, wires for the breadboard

I don't know if it is the right place to ask, but still I have a STM8L discovery dev board - http://www.st.com/web/catalog/tools/FM116/SC959/SS1673/PF250636 which has very small square male-type ...
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1answer
292 views

Control slot car with Arduino [duplicate]

I'm brand new at electronics, and brand new at Arduino. I know very little about eighter, so please bear over with me... :-) To top it of, this is my very first post here on Electronics. I'm working ...
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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. ...
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1answer
124 views

Prototyping an antenna array receiver

Disclaimer: I am decent with math/theory, but I have zero hardware knowledge (apart from some basic microcontrollers). I'm looking to build a (possibly crude, but functional) hardware prototype of a ...
2
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1answer
193 views

How does this prototyping style work?

I'm a little puzzled about a prototyping style I've seen used recently. Here is an example picture of a circuit made in this way: Can someone explain the process of making a board like this? Why are ...
2
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4answers
282 views

Custom FPGA PCB with external programming circuit

My team has verified our logic design on a development board and we are ready to move to a final prototype. Due to the nature of the device, the FPGA board must contain minimal components and be ...
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0answers
75 views

small, fully functional pc boards and kinect (example Raspberry Pi) [closed]

I have discovered that people trying to prototype a kinect controller with Raspberry Pi have had limited to no success. I found some people with limited success with PandaBoard. I am now interested ...
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3answers
172 views

What's the difference between using SPICE and just putting things on breadboard and testing?

Can SPICE programs do most of the imaginable simulations with any kind of components in the market? Is it important to run SPICE before you do any kind of breadboard work/prototyping?
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2answers
311 views

How to deal with LFBGA217 package when building prototype boards by hand

I am involved in a project in which I need to create a few prototype boards that will use the AT91SAM9G20B-CU processor in the LFBGA217_J package. Because this is ...
1
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1answer
214 views

Make a prototype board using ARM core [closed]

I'm a newbie here. I'm currently planning to make my own prototype board using an ARM chip. So I'll have to get the chip (which I have chosen to be SAM3S4A), and get some other components to support ...
2
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1answer
178 views

Unusual Surface Mount Package (with notches) - how to mount / solder?

I have recently acquired an electronics component that I was expecting to have a "normal" surface mount foot that I could solder. Instead, what is has is a very thick section that has a 0.50mm ...
4
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2answers
379 views

Connector to temporary connect SMD IC?

Is there any material/device invented to quickly connect SOIC-14 like integrated circuits to, eg, breadboard? I am aware of adapter boards, but what if I want something without soldering? (I am not ...
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0answers
184 views

What is the best way to take multiple near-simultaneous pictures from 6 cameras on a development board?

I thought I could use a powered usb hub, connect the 6 cameras to it, connect the hub to the raspberry pi and capture the images one after the other quickly using the motion package. But I can't find ...
3
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3answers
114 views

Soldering to and using proto area on XBee sheild

This feels like a very stupid question but how am I meant to use this area of protoboard on the Arduino XBee shield - these are straight through vias with no mid layer and so none of the holes are ...
4
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2answers
204 views

How do proceed with larger electronic projects?

Recently I have read two books about programming in general: First one being Code Complete and the other being The Pragmatic Programmer that describe how one should think when dealing with large ...
0
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1answer
253 views

Are there “female” 2.54mm screw terminals?

There are a variety of male screw terminals with pins one can solder into a PCB. Are there female screw terminals that fit directly over the 2.54mm pitch/spaced "jumper" pins that small boards like ...
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0answers
78 views

Wearable electronics in which kind of electrically-insulated mold?

I have a wearable electronics that I need to keep in my finger. I don't have the resources to put a prototype into something small like custom ASIC so I would like to find a way to put it to shape it ...
2
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1answer
84 views

Connecting with only JTAG

I've been wanting try out new microcontrollers and microprocessors other than the very mainstream Arduino and similar. So I want to start by making a inexpensive test board with a minimal test of ...
4
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1answer
946 views

Breadboard Confusion

I just received the following breadboard in a electronics starter pack I purchased. I am a little confused in how I would go about prototyping on this board, all the tutorials I have read state ...
3
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3answers
587 views

Do I really need to solder headers to a shield? Or can I just plug it into my Arduino?

I recently purchased an MP3 Player Shield for my Arduino. I bought a couple of headers to run through the shield's holes down to my arduino. Is this TRULY necessary (for testing purposes)? Or could I ...
4
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1answer
811 views

How to mass-produce a electronic system assembled by me?

"Practically speaking", given I developed a electronic system (in my case with the Arduino board), what are next steps to make in order to produce and market that system (in my case, regardless of ...
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2answers
244 views

What make now that I have implemented a working prototype of my system?

I developed code for an Arduino board (Arduino Uno + Ethernet Shield and some sensor) and I am thinking to try to make some money by selling the resulting system. Is it legally possible make that with ...
12
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1answer
940 views

Is there a good replacement for stripboard in the surface mount world?

More and more components I want to use are only available in surface mount packages. I can either get a big collection of adapter boards for all flavors of SOIC/WFBGA/QDERP to 100 mil pin spacing, ...
3
votes
1answer
85 views

Is there a solution for keeping circuits with low frequencies small?

background I'm essentially making an mixed-signal/analog computer(to accelerate certain mathematical operations). I'm looking to create many AC filters (of different types) at low frequencies (sub ...