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

learn more… | top users | synonyms

1
vote
3answers
131 views

How to make perfboard circuits more compact

So, I've been working on my prosthetic limb for quite some time, and I've sorta bumped into a few problems, while the circuits I've made work, they don't fit inside the arm. Mostly because I have tons ...
5
votes
3answers
360 views

Purpose of perfboards with pads all connected

A while ago I saw a protoboard with the pads all connected; at the time I thought it was a manufacturing glitch, but today I saw another one. I cannot think how these boards may be useful - any ideas? ...
0
votes
2answers
99 views

Are prototyping boards suitable for 200V? [duplicate]

I have some prototyping boards like this:- It's a standard 0.1 inch pitch and I like them. Is this suitable for a medium voltage of about 200 V DC? I'm concerned that the voltage might just ...
0
votes
2answers
56 views

From prototype to printed board - who does the translation from wired proto to circuit board [closed]

The question is broad, and I am sure that there is more than one way, but the generic sequence should follow a common pattern, and that's what I am looking for. I basically would like to move from ...
3
votes
1answer
101 views

How can I determine voltage and current limit of protoboard?

I have a project I want to wire up on a prototype board. I know the peak voltage and current expected at each contact point. But how can I tell whether the board can handle it? If it can't then it ...
-1
votes
1answer
58 views

What should I have in my prototyping toolbox? [duplicate]

I have a few bread boards, microcontrollers, resistors, LEDs and so on—the stuff I obviously need to get anything done. But I'd like to step up my prototyping game, and when it comes to choosing ...
6
votes
4answers
154 views

What are good quality of life additions to a prototype PCB?

What additions are good to add to a prototype PCB that makes your life easier? I have come across a few nice additions such as: Adding useful information on the silkscreen to designate functional ...
0
votes
1answer
56 views

Is it possible to find through-hole, edge connector fingers?

I would like to do a bit of prototyping and have been wanting to leverage edge connectors as it would make my layout a whole lot easier. When using these, are you forced to get some kind of ...
3
votes
1answer
87 views

What is the current carrying capacity of a single stripboard track?

A stripboard track's current carrying capacity can be increased by using tracks in parallel, tinning it with solder or soldering tinned copper wire onto it, etc. but what is the current carrying ...
0
votes
0answers
61 views

Protoboards for high voltage

What are standard practices for organized prototyping at high voltages? A typical 0.1" pitch protoboard might be good for a few hundred volts. But as voltage increases I assume those boards are ...
-2
votes
1answer
128 views

How to use plain 315 MHz RF Transmitter with Simple RF T4 Receiver - 315MHz using Raspberry Pi?

I bought a 315 MHz RF receiver - Simple RF T4 Receiver - 315MHz Toggle Type - and a transmitter - Keyfob Single Button RF Remote Control 315MHz, both from Adafruit. After trying some prototyping to ...
8
votes
4answers
839 views

DIY Oscillosope probes

I am interested in making my own cheap (somewhat disposable, or permanently attached to prototypes) probes for my oscilloscopes. In complex circuits, and dense PCBs sometimes it may be difficult to ...
0
votes
3answers
86 views

Soldering SOT-23

I'm working on a DYI battery monitor project and the possibility of using an INA169 came up. That's a SOT-23 packaged component. I have minimal soldering skills so I'm looking for some advice: Can I ...
0
votes
1answer
69 views

how do you link components between them on a protoboard [duplicate]

I have the following protoboard (see picture below) Each hole has a distance of 0.5mm I want to link components between them. I found a few ways to do that: 1) Use tiny wires to connect the ...
0
votes
2answers
77 views

From Proof of Concept on BeagleBone to Prototype

I've been developing a project with a BeagleBone Black and some other accessories connected to it as a proof of concept. Now, I wish to create a Prototype on my own leaving the BeagleBone behind, with ...
-2
votes
3answers
95 views

5w resistor circuit and increasing circuit speakers power

I am new to electronics, and I am working on an amplifier circuit that contain LM386. This is the schema of it with bill of materials: Does this circuit give a huge sound ? If not, do I need to ...
1
vote
1answer
46 views

Making my own Breakout board for a GPS

I am prototyping a few things and wanted to make my own breakout for something that I haven't done before: GPS. (link to page) I know that high-freq. PCB are usually different compared to regular PCB....
4
votes
2answers
200 views

What are these pcb connector type pads for?

My picture shows a prototyping board that I have. Sorry that the contrast is not great, but there are two vertical rows of connector like pads down the left and right sides of the board. They are ...
3
votes
3answers
429 views

How do I simplify microcontroller-based prototype into a sensible production-like circuit?

First some context: I'm an IT person by trade, and I dabble in electronics as a hobby. I have rather limited experience - apart from some toy circuits I've only made a single "production" quality ...
-2
votes
2answers
131 views

how to solder in this board [duplicate]

I have this board and it is the first time I work with it. How can I connect 2 elements in it, and how to solder IC with all the circuit lines that connect all the elements. EDIT
1
vote
1answer
85 views

is there a solderless solution for component with pins 1.70mm apart?

I have a CAT4101 http://www.onsemi.com/pub_link/Collateral/CAT4101-D.PDF constant current LED driver which has 5 pins at 1.70 mm BSC apart. As I am a newbie I would prefer to use only a solderless ...
0
votes
1answer
97 views

My prototype is done, how to go to the next stage? [closed]

I have a background in software and for a while now I'm building prototypes with open source hardware. I came to a point that I would like to produce one piece of hardware ie 'a device' from my ...
2
votes
2answers
97 views

Adjustable power supply simulator/reality

Hi im a student of computer engineering and im currently doing a project of a adjustable power supply it should be doing 0-30V but im getting some problems with the word adjustable haha,i got this ...
0
votes
1answer
240 views

Advice on precision CNC milling machines for PCB prototyping

I am an EE professor at an University and I was asked to provide a solution (machine) for PCB prototyping. Specs are milling down to about 8 mil (0.2032 mm) trace thickness, 8 mil trace clearance, 8 ...
0
votes
2answers
123 views

Could someone identify this old prototyping board?

A friend of mine had this lying on a shelf- he had found it while cleaning out his basement. Any idea what it is meant to slot into, or its purpose in general?
0
votes
1answer
220 views

Electret microphone into iMac 3.5mm TRRS headphone jack amplification

I have this electret microphone: http://www.farnell.com/datasheets/1505849.pdf And I've put it onto a 3.5mm TRRS (4 pole) jack to go into the iMac headphone jack. For the iMac to recognise/accept the ...
4
votes
2answers
412 views

What is the official name for these jumper wires?

This may seem like a very trivial question, but sometimes the naming of things (nomenclature?) can be important when discussing technical things. What is the official name for the kind of prototyping ...
2
votes
3answers
181 views

Can I make a double board at smart prototyping pcb service?

They have a 5x5cm minimum board size. My board is approx. 35x20mm so I can easily put two side-by-side and thus double the board count within this limit. What is the best way to do this? I know how to ...
1
vote
2answers
211 views

photodiode amplifier

I am a mechanical engineering student and I am working on a research project where we want to use a reverse biased segmented photodiode (OSI SPOT2DMI series) to detect deflections from a high speed ...
4
votes
4answers
288 views

Best solution for compact wiring on stripboard

When transferring a circuit from breadboard to stripboard, I often struggle to manage the wiring; often it starts looking like an overgrown garden; the components inevitably start disappearing under ...
3
votes
3answers
822 views

Making prototypes with high speed SMD components

Even today we have breadboard and strip board on which one can make "quick and dirty" circuits and also test prototypes. However, we have now moved into an era of predominantly surface mount ...
1
vote
1answer
124 views

Circuitry for the DRV8840 Motor Driver

I'm building a circuit based on the DRV8840 (datasheet: http://www.ti.com/lit/ds/symlink/drv8840.pdf). Unfortunately, I can't get it to work. I think something might be wrong with my design. When I ...
1
vote
1answer
78 views

SMT reel: taking a couple of parts off the reel

I have a couple of SMT parts that I ordered "digireels" for - i.e., essentially tapes wound around a spool, with some leader tape attached at the front. This is good for the pick and place machine - ...
1
vote
1answer
108 views

Transmit 12v power wirelessly

Is it in any way feasible, in a small form, to power a 12v light with a power source or transition source 3" away without any physical connection? ...
2
votes
3answers
689 views

Only one LED is working on this traffic light circuit

I have a problem with my traffic light circuit. I've made sure of the wiring and everything seems right but for some reason only the yellow LED is lit constantly without it flashing and the other 2 ...
0
votes
1answer
92 views

What is Stray Capacitance and how it can be Avoided

I have learned that especially in RF circuits stray capacitance can mess circuits up. I have learned that breadboards are a major culprit for this. However I do not know really what it is. What is ...
1
vote
2answers
1k views

How to solder IC to Perf Board

I just bought 5 boards from Allelectronics.com like this. I decided to make a circuit that involved ICs. When I attempted to solder the circuit onto the board I realized that once you solder the IC on,...
0
votes
2answers
208 views

How to break out SMD chips in-circuit?

For a current project I am attempting to amplify and cross-wire the signals from the address pins of SMD RAM chips. Basically this means I am trying to break out the pins of a SMD chip, similar to how ...
0
votes
2answers
171 views

Where can I buy or how can I make high quality jumper cables?

The jumper cables in my possession are all so stiff and seem cheaply made. The connectors fall apart and its frustrating. The jumper cable is such a simple but critical component - how/where can I ...
1
vote
2answers
105 views

How should I solder one board to another?

I have a small power regulator/charger and a IOIO-OTG that I'm trying to solder onto my protoboard. My current idea is to use male/male headers. Is there another way? What is the best practice when ...
3
votes
2answers
564 views

Why would uart connection only work after disconnecting power?

I am using a Microchip Bluetooth Pictail and a Sparkfun 3.3V USB-to-UART and a Arduino Uno (just for power-5V,gnd and 1 active high signal connected to 3.3V). When I power the PicTail it outputs "CMD"...
0
votes
1answer
186 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
votes
2answers
166 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. ...
1
vote
1answer
65 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 ...
1
vote
1answer
367 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 ...
3
votes
1answer
313 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 ...
2
votes
4answers
339 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 ...
4
votes
3answers
1k 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
votes
6answers
1k 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 ...
7
votes
1answer
1k 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 ...