A breadboard is a pre-made generic board for prototyping, typically referring to solder-less, reusable plugboards.

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Where is a good place to start learning about electrical engineering for AVR stuff? [closed]

Can someone point me to a really good tutorial on electrical engineering, mainly avr stuff. I have looked at alot and none in my opinion really give a complete idiot like my self a good place to ...
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6answers
439 views

WLCSP MCU's - what hardware is needed for programming these tiny chips?

I just received my DigiKey order of some Atmel ATTiny4 MCU's from DigiKey. I wanted to tinker with one of the smallest MCU's I could find, and this was one of them. It is, in fact, so small because ...
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1answer
280 views

JK flip flop random start outputs

I am working on a project for college and I have to implement a sort of alarm using only MUX's and JK flip flops and a bread board. The problem I encountered is that whenever I power the whole circuit ...
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0answers
70 views

why 5V dust sensor works when I remove 3.3V power

I am using a Sharp Dust Sensor connected to 5V and ouput to a 3.3V ADC... when I power both devices the ADC reads "0" from Dust Sensor... when i remove the 3.3V power to the ADC (which should cause ...
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0answers
39 views

ADC not connected to PWR but still works [duplicate]

Why is my ADC readings values from my dust sensor even when I have unplugged the 3.3V input from the breadboard? I have 5V input on other rail but the ADC was only connected to the 3.3 rail... why is ...
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1answer
64 views

What's the difference between IC 74HC04 and IC 74AC04PC?

I am trying to make a simple logic gate simulation for which I require the former IC but I could only procure the latter. Will it still work?
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1answer
51 views

how to decode a USB signal on a breadboard [closed]

I would like read binary data that is not formatted. Is there any DIP to decode it?
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1answer
50 views

Breadboard jumper cable to PCB

I want to do some prototyping with a microcontroller on a breadboard. The microcontroller won't fit in the breadboard holes because it is square and small, and has many pins I won't be using. I ...
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2answers
52 views

555 timer ciruit errors

I have set up a 555 Timer circuit on my breadboard following this diagram. These are the values I use: R1: 1k R2: 1k C: 0.1uf Vcc: 9V The only problem is, on pin 5, I have a 0.001uf capacitor. ...
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3answers
48 views

Breadboard header for usbasp

I am not able to find any breadboard headers for this particular usb asp connector Here They do exist because I've seen then at school, but I can't seem to find them online. I bought breakable male ...
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1answer
57 views

Emf interference on arduino and breadboard , using 74HC595 shift register, how to prevent it?

I’m using a 74HC595 chip (shift register) NPX semiconductors, connected to and arduino board. Basically the shift register switches on and off 8 leds in sequence. Everything seem to be working, code ...
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5answers
834 views

Safety of using microcontrollers such as Arduino

I have been learning how to work with Arduino Uno R3, and it seems very intuitive and exciting for me. As many agree, I see lots of benefits of learning to use it at a young age. I would like to ...
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0answers
116 views

Regarding configuration of 50kg load sensors with Arduino due and 8-pin LM741CN Op-Amp

Please don't mind if my question is naive. I am new to this thing but I am pretty much interested in playing with these sensors. I am trying to configure the 3 wire load cell/strain guage (50 kg ...
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3answers
87 views

Breadboard with high frequency digital signals

I'm trying to interface an ADC chip with my FPGA. The ADC is on a breakout board that fits nicely into my breadboard (.1" pin spacing). The clock input from my FPGA into the breakout board is 12.5 ...
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2answers
119 views

Solderless breadboards: standard size specifications?

Are there standard sizes for solderless breadboards? For example, My teaching project is currently reaching the capacity limit of a 170 pin (17 x 10) breadboard. Is there a standard "next size ...
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1answer
46 views

Why is voltage properly siphoned off in this circuit?

This comes from the Raspberry Pi "fart detector" project. It says to place a 47k Ohm resistor connected to ground in order to siphon off a certain amount of voltage so that the voltage read from the ...
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1answer
54 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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3answers
118 views

Last resort debug: Voltage limiter

Note: This is a followup to a previous question that was left unanswered. The circuit has been remade on a breadboard and the symptoms are different I have been trying to make a voltage limiter ...
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2answers
78 views

Breadboard minimum lead length

What's the minimum lead length for a component in order to reliably connect with solderless breadboard contacts? Reading specs on cables, relays LEDs, and other components, what should I take as the ...
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2answers
110 views

Breadboard resistance and TMP36 sensor

I got a strange issue with my Arduino, and more specifically with my breadboard. I got the following circuit: ...
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0answers
51 views

Can you calculate parasitic elements caused by using many breadboards?

Recently, I've had the idea of building a 4-bit CPU out of RTL (Resistor Transistor Logic). Because there are so many connections, I would prefer to build this project on many breadboards. I realized ...
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1answer
164 views

Female headers for breadboard (or: how do I extend the pins of my breakout board?)

Where do I find female headers with pins just long enough (~6mm) to fit a breadboard? Ordinary socket headers such as these: have pins that are too short to stay put in the breadboard, but the ...
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0answers
77 views

How to power Common Cathode RGB LED

I'm trying to figure out how to power a common cathode RGB LED. The setup I have below does not work. I assumed power would flow to R, G, and B, and there would be a white light; but nothing. Would ...
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2answers
588 views

How much current can Solderless Breadboards handle?

I'm working on a project with a few stepper motors. I want to breadboard them so I know the circuit works well before creating a physical PCB. Each of the three motors is rated 2A, but I'll be ...
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1answer
99 views

Breadboard layout with speaker

This project is from Arduino's Examples page. The first fritz is from there. I managed to run that example without any issues. However, I had tried keeping the wires together so I tried to run the ...
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3answers
219 views

Ways to connect a PCIe/PCIe2 card and other PC parts to a breadboard?

Basically I have a bunch of rather old computer parts that I haven't been able to get rid of so I decided to do a few experiments with them but for that I need to be able to breadboard them. Things ...
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2answers
237 views

IC boost converter performs poorly in breadboard prototype circuit: is this to be expected?

I'm using a TLV61220 IC boost converter to get 3.3V from a 1.5V AAA battery. I've built the circuit as specified on the datasheet (p. 1 of http://www.ti.com/lit/ds/symlink/tlv61220.pdf) with R1 at 1MΩ ...
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4answers
289 views

Using a transistor as a switch

I am attaching a motor to an ATmega32 chip. I want to build an H-bridge but before doing that, I want to control the motor using the chip. I bought few NPN Transistors from RadioShack. I have 5V ...
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3answers
112 views

convert from ndip to dip

I have a V9958 NDIP (Narrow DIP) chip that I would like to use with a breadboard, is it possible to somehow convert NDIP to DIP or use an external adapter?
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1answer
148 views

How can I adapt a 8-WFDFN Exposed Pad to a breadboard?

I got a few of these:http://www.digikey.com/product-detail/en/DRV8837DSGR/296-34806-2-ND/3471184 without looking close enough at the package type. Is there an adapter for this so I can fit it on to a ...
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1answer
61 views

looking to capture an infared code

I am trying to get an infared signal being sent from an emitter (think along the lines of a remote control). I know I can use a fotoransistor on a breadboard to capture/detect the signal, but I have ...
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2answers
358 views

Quad 2-input NAND-gate Not seems to work

I have recently bought this IC: It's a NAND gate. So just to be clear, we agree that if both inputs are 1, the output will be 0. (The IC is a Quad 2-input NAND-gate 74HCT03, the datasheet can be ...
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638 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 ...
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1answer
233 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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2answers
753 views

Is it possible to attach leads to surface mount component?

I ordered an op amp to experiment with. I knew this was a surface mount component when I ordered it. I assumed that I would be able to somehow attach leads to it, so I could use it on my breadboard. ...
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1answer
151 views

Breadboard Wiring with Seven Segment Display

So I'm planning on building a skee ball machine and as I've been looking into it I've decided to use some seven segment displays from here: As I've looked into this more I know I need a breadboard ...
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3answers
43 views

Find product lead dimensions

I am building a project for a robot on breadboard, and I have come across the need for a voltage regulator. I have an existing voltage regulator, but it will not fit into the holes on my breadboard. ...
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0answers
288 views

How to connect LCD to breadboard without header pins?

I am trying to connect 16X2 LCD into a breadboard, but I don't have 0.1 male headers. Can I replace the pin headers by inserting wire only the metal part, after removing the rubber covering and solder ...
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2answers
828 views

What is this white board called?

I am just trying to to figure out what this is called. What I am referring to in this picture is the white board with all of the connectors and the led light attached. I am trying to purchase one ...
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134 views

does this design look suitable for a 4-bit adder

I am working on a project that will include a basic 4-bit adder, I have designed a layout is Adobe Illustrator and would like people to check over it to see if it looks like it should work. I am very ...
3
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1answer
154 views

Building a small 4-bit adder on a breadboard

I am very new to using IC and basically a breadboard in general, but I am doing a project on how computers add and thought it would be nice to have a practical demonstration. My main question is, for ...
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1answer
229 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
425 views

How to place a 7805 voltage regulator on a breadboard?

I have this breadboard and I have started experimenting with pic micros. In doing so I have needed a 5 volt power supply. I have seen several tutorials for wiring up 5 volt regulator circuits on a ...
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4answers
458 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 ...
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1answer
528 views

How to wire/interface a 4x3 membrane keypad

I followed this example to wire my keypad to my STM32F4 Discovery board. However any way I read data on the pins I keep getting same data which leads me to believe I wired something wrong. Here is ...
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1answer
195 views

Rising Pitch Siren Electronics Circuit Explanation

Can somebody explain me how in detail what is going in this circuit? I tried it and it was working but I cannot understand how this works. ...
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3answers
1k views

Breadboarding a Raspberry Pi

Ok, long time reader first time asker on this parcticulair stack-exchange. I am rather new to electronics, I've done some simple projects like Blinking Lights, alarms that go on when its dark and a ...
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1answer
82 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
378 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 ...
0
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1answer
91 views

What is the purpose of a second set of 5v and ground wires found on many basic Arduino breadboard projects?

On this breadboard schematic (and many others) there are two extra wires on the right side of the breadboard. I am assuming they extend the circuit to the top side of the breadboard, but I don't ...