A breadboard is a pre-made generic board for prototyping, typically referring to solder-less, reusable plugboards.
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1answer
45 views
Converting 3.3v logic level to 5v using octal bus transceiver
I'm using the Raspberry PI to communicate with various sensors and other circuits that input and output 5V logic level. The Raspberry Pi itself has 3.3V GPIOs, so i need to convert the logic levels.
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0answers
52 views
Wireless power transfer - help needed! [closed]
I need help regarding my wireless power transfer circuit.
I found a circuit shown by a hungarian guy in this link.
How do I implement the same on a breadboard?
I tried using the video help, but my ...
1
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1answer
37 views
Schematic to breadboard circuit [closed]
I have just bought my Arduino Uno rev3. I am really interested in Arduino.
For my first project I have to buy a breadboard and actually I did.I saw the schematic circuit in the book " beginning ...
10
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4answers
450 views
Voltage is reduced across chained breadboards
My Arduino is connected to the first breadboard. From there, I chained the positive and negative to the other boards. I have 6 breadboards connected right now. In the first board I see (with a meter) ...
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3answers
120 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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0answers
81 views
Use Dell Laptop internal speakers with Raspberry Pi
I have some speakers from an old Dell Latitude D600 that I and a friend took apart (his brother had managed to fry the motherboard?!!?) and so we salvaged some parts, one of which is the speakers.
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2
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2answers
148 views
Why isn't this single pushbutton on/off circuit working?
I built this about four times, replacing the transistors every time, carefully measuring all resistors and capacitors and putting a .1uf cap from the output to the positive. The LED light goes from ...
10
votes
3answers
411 views
What is the difference in this specific breadboard wiring?
As an absolute layperson in electronics I just found out that an LED only lights up when connected like in figure 1 but not when connected like in figure 2. And I just don't get why?
I know an LED is ...
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2answers
90 views
Will two things in parallel on a bread board receive equal amps?
I drew my bread board here. If I plug two things into the power bus will I get equal amps to both devices? Sorry I don't have a multimeter yet to try it. I am planning a large project but I need to ...
1
vote
2answers
101 views
Where to connect DB9 Ground Pin on a Serial RS232 connection?
I want to connect my DIY basic stamp via RS232 MAX232 to the serial port on my laptop. Now since I'm a complete newbie in electronics, what do I do with Ground Pin 5 on the DB9? I assume ground means ...
2
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1answer
114 views
Getting 12V wall wart to power 12v solenoid driven by Arduino
Scenario: Power a solenoid by soldering on the gnd and pwr cables of a 12v wall wart.
I found this wall wart in my house that I think will work. From what it says I assume it can transform 120v to ...
2
votes
2answers
93 views
Standard length of male header pins
I'm shopping for some bulk male header pins and noticed a lot of options for the contact length column. I know 1" is a longer pin than I'm used to and 0.1" is too short, but is there a standard length ...
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3answers
168 views
What do I need to program an ATmega 168?
I use AVR Studio for my compilation and c/c++ code (not arduino).So far I have used a Atmega 2560 development board provided by Nex robotix.
I have ISP programmers of the following sorts...
AVRISP ...
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1answer
113 views
Powering my projects and breadboard
I have a few differant AC to DC converters and wanted to know a good way to use them to power my breadboard and projects once they make it to strip/protoboard.
One adapter is used for laptops (Part ...
2
votes
4answers
155 views
How to connect breakout boards to bread boards?
One of my components for a prototype lies on a breakout board. The rest are connected on a breadboard.
How can I neatly connect the leads on the breakout board (seven in the picture) to rails/holes ...
1
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1answer
168 views
How to get started with electronics and specifically cheap microcontrollers? [closed]
I have a birthday coming up and would like to try and "get into" electronics. Now seems like the ideal time to finally get enough components to get started. However I need advise choosing what to get. ...
2
votes
1answer
287 views
2-bit adder and Multiplier
I am trying to wire a 2 bit adder and a Multiplier on my breadboard. I have the 2 bit adder somewhat done, but dont know where to start on the multiplier. I need help reading circuits and translating ...
2
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2answers
85 views
Arduino Uno starter's kit and project
Recently i bough an Arduino Uno, along with a breadboard starters kit (those two were bough separate) and i am trying to configure my first project. Looking to the breadboard instructions, if i am not ...
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1answer
98 views
How to implement HD74HC32 (quadruple 2-input positive-OR gate)?
I'm struggling to implement the HD74HC32 (quadruple 2-input positive-OR gate) package:
My breadboard looks as following:
Notes:
...
3
votes
2answers
276 views
Which way will I place a momentary Tactile switch in a solderless breadboard
Well I am a beginner in electronics. So, I have some 4 pin tactile switches and I am confused about placing them in the breadboard. Here is the poorly drawn photo of the two ways of placing by me. ...
3
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2answers
118 views
A heat sensor that powers an LED with no controller
I'm a programmer, and I can wrap my head around having a controller board which monitors a temperature sensor llike this ...
5
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4answers
401 views
What's an easy way to supply power to a breadboard without using batteries?
There are a number of kits available (for example sparkfun's Breadboard Power Supply USB - 5V/3.3V and Breadboard Power Supply 5V/3.3V or Adafruit's Adjustable breadboard power supply kit - v1.0) but ...
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1answer
90 views
Using on and off switches and logic gates
So I have 2 switches Representing:
Bit A
Bit B
And then I have :
AND gate
OR gate
Not gate
Some other gates like adder and comparator
I used the method described here because the Adder & ...
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3answers
126 views
Breadboards and ground loops
The book Practical Electronics by Scherz and Monk states (3rd ed., p 48):
A ground bus, or bus bar found in breadboards... serves as an adequate substitute for a single point ground.
Is this ...
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1answer
97 views
Building 8bits alu on breadboard [closed]
I want to build a 8 bit alu containing :
- 8 bit comparator
- 4 inverters
- 2 and gates
- 2 or gates
- 2 full adder 4 bits
- 10 leds
- 8 mux 8 to 1
e
My question is how much volt do I need to make ...
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3answers
119 views
Higher resistance resistor in place of higher wattage?
Engineering newbie here. I'm fairly sure I already know the answer to the question, but I figure I'll ask anyway.
I've got an LED lying around, that according to an LED calculator requires a 80R 1/2w ...
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vote
2answers
104 views
SMDs for Breadboards
I'm looking at building an inductive charger (based on the design at http://people.oregonstate.edu/~watersal/documents/uhc_awaters.pdf), and there are a few components they use that are ...
7
votes
2answers
138 views
How can I mount a shield on a breadboard?
The non-standard spacing of the headers on Arduino boards makes it so the shields will not fit on a breadboard
From what I have read, there is no good reason for the non-standard pin spacing on ...
3
votes
7answers
490 views
What is the easiest way to connect a breadboard to a multimeter?
The test leads on my multimeter are too large to fit in the holes in my breadboard. How can I easily connect my multimeter to test voltage on my breadboard?
3
votes
1answer
316 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 ...
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vote
2answers
193 views
a solderless breadboard alternative allowing point to point wiring by pushing the wire between special bifurcated pins?
Does anyone remember what was the name of the manufacturer who made a solderless breadboard alternative allowing point to point wiring by pushing the wire between special bifurcated pins on the back ...
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2answers
262 views
Hooking up multiple RGB LEDs while using a minimal number of PWM pins on an Arduino?
I currently have an anode RGB connected to the 11, 10, & 9 PWM pins on my arduino. However I would like to add 3 more LED's to my project, but I don't want to necessarily take up every single PWM ...
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votes
3answers
201 views
2 × 20 pin SMT to DIP adapter?
I want to adapt a 40 pin SMD (0.5mm pitch) for usage on a breadboard. Are there any adapters available that I can use together with a simple soldering iron?
Already I found the SchmartBoard adapters, ...
2
votes
3answers
347 views
Ground on Breadboard
I need to connect an input signal from a function generator to a circuit I made on a breadboard.
If I use a BNC to Banana cable, then would the "ground" of the function generator (the ground on the ...
0
votes
1answer
98 views
More advanced magnetic breadboard with software defined wires [closed]
Since we could compile the netlist on a typical x86 like computer
and download it to a FPGA chip so everything is connected and functioning,
Why can't we extend the same idea to Mix Signal ...
1
vote
2answers
124 views
Suitable components for logic control [closed]
Having never worked with electrical components, ignorance of the most elementary sort is holding me back. I'm looking for suitable components for logic control of DIY home automation equipment. I've ...
2
votes
2answers
142 views
Why would a breadboard have a conductive plate underneath it?
So for my electrical engineering classes, we were tasked to make an operational amplifier.
However, on the day of testing the instructor showed me that the bottom of my breadboard (which he had ...
6
votes
2answers
431 views
Good Quality Breadboards?
Between my engineering classes and out-of-class projects I'm always having to clear my breadboard every time I attempt a project. I would like to invest in some good quality breadboards to conduct ...
14
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4answers
879 views
Wire broke off and stuck in a header
I'm working with an Arduino, and one of the stripped portions of the wire broke off at some point and managed to get pretty wedged into the 5V pin slot. Obviously, this wouldn't matter as much for a ...
1
vote
1answer
252 views
Have I missed something when connecting this stepper motor?
I have an Arduino which I am using to control this stepper motor using a breadboard with this layout. I have the Arduino connected to my Mac and it successfully runs, but the "force" of the motor ...
0
votes
1answer
328 views
Is it possible to cut a breadboard?
I am new to Arduino, so I purchased a starter kit with a 800 pins (or something like that) breadboard.
I would like to know if it is possible to cut it (or saw it) in half on the long side in order to ...
4
votes
2answers
919 views
New to breadboarding and IC
I am trying to make a very simple AND Logic gate with the help of a breadboard. This is my first time using all this. I have referred to the video
http://www.youtube.com/watch?v=x9R9KAtTyWA
It said ...
9
votes
1answer
525 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
2answers
188 views
Breadboard layout question
I am a software developer trying to understand how computers work at a lower level.
I have managed to create a few simple circuits, one which lights up an LED. I have noticed that all the ...
1
vote
1answer
191 views
Is this a breadboard?
I am a software developer who wants to learn more about how Computers work at a lower level. I did GCSE Electronics 16 years ago.
I have bought an Electronics starter kit, which contains this ...
6
votes
2answers
456 views
Soldering leads/pins to SMD/SMT for solderless breadboard prototyping?
Background:
I just began with electronics and I'm looking to build a 12v to 5v converter circuit. My plan is to use a Murata 78SR-5 to power either an Arduino or Rasberry Pi. I'm studying electronic ...
1
vote
1answer
93 views
Does this product page contradict the corresponding datasheet?
I'm currently using N-channel MOSFET's my hobby circuit, and have had two go out on me. As a result, I'm studying them a little more and making sure I'm not doing anything that might harm them.
On ...
42
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3answers
2k views
Why are they called breadboards?
Why are solderless protoboards called "breadboards"? I've used the term for decades but couldn't answer a student's question about the name.
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1answer
920 views
Electric strike with Arduino circuitry?
Let me start by saying this is my first Arduino project, and I'm a little confused with some of the hardware.
I am attempting for my first project to make a fingerprint door lock, and the only thing ...
6
votes
2answers
404 views
Using multiple resistors on a breadboard to limit voltage to LED
so I've recently begun my venture into electrical engineering, just got myself a breadboard with some jumper cables, a pack of assorted LED's and a few 200 ohm resistors.
I'm trying to understand how ...
