Questions tagged [breadboard]

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

Filter by
Sorted by
Tagged with
-4 votes
0 answers
65 views

Asking for assistance for Op-Amp circuit connection in Breadboard [closed]

I want to know how this circuit is connected to breadboard. My goal is to measure the voltage. If you can provide a picture of an actual breadboard having this connections, it would be better.
user avatar
1 vote
1 answer
62 views

Breadboard Layout Validation

I have a breadboard with a bridge rectifier circuit that I am hoping to have someone validate for me. The circuit with breadboard pins is: And a picture of my breadboard is: Thank you!
user avatar
0 votes
1 answer
59 views

Use case for more than two breadboard binding posts?

I understand the use for two binding posts on a breadboard: namely to connect the + and - of a DC power supply. But what it the purpose of breadboards with three binding posts? In this tutorial I read:...
user avatar
  • 103
0 votes
0 answers
59 views

NAND gate output doesn't change to logic 1 when expected

I've been assigned to make a breadboard from a circuit and then take its NAND implementation and build that on the breadboard. Logically what I've done seems to me like it should work. Essentially ...
user avatar
0 votes
2 answers
81 views

How do I connect the phone cable in the breadboard

I am making a wireless phone charger, and everything works, but I don’t know how to connect my cable to the receiver circuit. My cable has 4 terminals, and my receiver circuit is similar to this one.
user avatar
0 votes
1 answer
40 views

PCB and breadboard parasitic capacitance

I am getting different bandwidth measurements from my breadboard and PCB (for the same circuit with exact same component values). The cut-off frequency I measure on the breadboard is slightly higher ...
user avatar
2 votes
0 answers
57 views

How to prototype with sensitive electrical components without a PCB?

Right now I'm trying to get consistent radio operation with an NRF24L01+ and a Teensy 3.6, however in my experience working with radios they have extremely inconsistent connectivity when using ...
user avatar
0 votes
1 answer
34 views

Using a CC2540 (BLE) in a PCB

I am currently trying to place an CC2540 on my circuit. I have a circuit using an AT-09 module that uses a CC2540 but I am trying to separate the CC2540 from the AT-09. I am using this diagram, https:/...
user avatar
2 votes
1 answer
42 views

Programming STM32F303K8T6 chip removed from Nucleo32

ISSUE: Attempting to read/program MCU mem has not been possible and I would like feedback on my setup. NOTE: Blink program flashed before removing still works. Actual Error on STM32 ST LINK Utility: ...
user avatar
1 vote
1 answer
66 views

Difference between jumper wires and jumper leads

I'd like to know what is the difference between a jumper wire and a jumper lead; sometime I found that they are synonims, other times I found that a jumper wire is the following: other times I found ...
user avatar
0 votes
2 answers
113 views

How to invert a NAND gate IC and have it work like an AND gate IC?

I have created this circuit design using tinkercad. I thought I had two 74HC08 IC:s. Turns out I only have one. Can I replace the second 74HC08 with an inverted 74HC00 and if so how do I do this? If ...
user avatar
  • 3
0 votes
2 answers
90 views

Where should I place the ammeter to measure current flow between A0 and GND of the Arduino here

I was trying to build a circuit in tinkercad that plots the voltage/current across A0 and GND pins of Ardunio. To confirm that the plots displayed on the screen are correct, I decided to also add ...
user avatar
2 votes
1 answer
259 views

How to attach ground on a breadboard from a schematic?

I'm trying to build a circuit on a breadboard based on a given schematic, but I'm not sure how to "ground" components on it like how it is shown at node B: What I have done so far: What ...
user avatar
  • 31
4 votes
2 answers
71 views

What is the basic circuit to wire up a position-sensitive detector, or PSD?

I'm a software dev dabbling in electronics and I am looking into wiring up a position-sensitive detector, the Hamamatsu S3932, on a breadboard. My knowledge is quite rudimentary and my first goal is ...
user avatar
  • 199
0 votes
1 answer
52 views

Heat produced on breadboard power rails with 1 vs 2 loads

Lets say we have a 12V power source connected to a single load, and 2.4 amps go through this wire. The wire will heat up. Now the same 12V source, but now there’s two loads, each pulling 1.2 amps each....
user avatar
  • 155
0 votes
1 answer
76 views

3.5mm relay pin spacing with a breadboard

I purchased some Panasonic latching relays for my small project and just realized that it uses 3.5mm spacing between the pins. I can't seem to use it in a standard breadboard or perfboard. Is there a ...
user avatar
0 votes
0 answers
79 views

I'm tryin' to build my own fuzz but when I plug it in my amp it just makes too much noise

If you need the schematic, just tell me and I'll draw it for you as soon as I'm home again. Anyway, it consists of 3 transistor stages with the first one having the boost control by regulating emitter ...
user avatar
11 votes
4 answers
2k views

Why do power rails on breadboards omit connection points?

It seems most solderless breadboards don't have the connection points on the power rails aligned to the rest of the connection points. Some just omit every 6th; on some the gap isn't even a multiple ...
user avatar
  • 221
0 votes
0 answers
84 views

Can I put a 2 pin switch on breadboard busses?

I want to run a 12V battery into the breadboard busses, but they are 12 gauge wire so I want to use 2 pin screw terminals. The battery will power another device which also has 12 gauge wire so I'll ...
user avatar
-3 votes
2 answers
73 views

How to create durable rubber feet to breadboards?

I have purchased two cheap breadboards (one a long time ago, another recently). A large 4+7 configuration (4 main boards, 7 dual power strips) costs only around 35 EUR, whereas a decent 3M breadboard ...
user avatar
  • 993
3 votes
5 answers
187 views

Boost converter IC layout fails with increased load

First post on here and not very experienced so let me know if there's anything wrong with my post as well as my design. I am trying to layout a boost converter using the PAM2421AECADJR IC I bought as ...
user avatar
18 votes
2 answers
2k views

Microcontroller works on breadboard, but not on PCB (which is proven to be correct)

Summary: I have two circuits: One on breaboard and one on PCB. I have two Microcontrollers: A commercial one (pre programmed) and a personal one (with whom I try to recreate the commercial one). The ...
user avatar
5 votes
1 answer
730 views

I can't figure out how to design my transistor practice circuit in way that it would work

I wanted to test out making a circuit with a transistor. The way I understood transistors from online videos: The transistor (using BC327, see below) needs a closed circuit from the positive terminal ...
user avatar
0 votes
3 answers
84 views

What size does my resistor have to be for the IC input?

I am testing some logic gate ICs to include in future projects. However, even when both of my switches are off, my logic IC is still sending a logical HIGH to my LED. I think my problem is the same as ...
user avatar
  • 123
0 votes
1 answer
66 views

Testing a Split Core Transformer based energy monitor circuit using a breadboard

I'm trying to validate my wiring for a variation of this circuit: which is taken from https://www.poweruc.pl/blogs/news/non-invasive-sensor-yhdc-sct013-000-ct-used-with-arduino-sct-013 Before I ...
user avatar
-3 votes
1 answer
90 views

How to make a 555/556-based one-shot timer on a breadboard? [closed]

How can I implement the circuit as described below on a breadboard? The Monostable or “One Shot” Refer to the datasheet for the NE555 https://www.ti.com/lit/ds/symlink/ne555.pdf Find and read the ...
user avatar
1 vote
0 answers
141 views

Why can't my MOSFETs fit in my breadboard?

This is probably another question with obvious answers, but Googling didn't help. I bought an N-channel power MOSFET from Adafruit recently. I also bought a breadboard, also from Adafruit. However, ...
user avatar
  • 111
-1 votes
2 answers
77 views

Measure and display power consumption of DC motor

My daughter wants to be able to measure the power being used by a small motor under different loads as part of an A-level engineering project. Ideally this would be displayed in 7-segment display(s). ...
user avatar
  • 3
0 votes
2 answers
75 views

How do I wire five pressure transmitters at the same voltage into a DAQ?

I want to collect pressure readings using 5 analog pressure sensors powered by a battery and collected with a DAQ. My sensors require 10 - 36 VDC and draw 38 mA max with 4 - 20 mA output. My battery ...
user avatar
1 vote
1 answer
94 views

Would it be possible to prototype a low-powered 386SX design on a breadboard?

According to the datasheet the low power version of the 386SX comes in a QFP100 and can be run at as low as 2MHz. I'm wondering if it might be possible to prototype a system on a standard solderless ...
user avatar
  • 723
-1 votes
1 answer
125 views

LED blink circuit with push button

simulate this circuit – Schematic created using CircuitLab I am trying to build a circuit on a breadboard that consists of two LEDs and a push button. Using the button, I would like for the LEDs ...
user avatar
  • 1
0 votes
2 answers
64 views

How to deploy a motor driver and MCU onto larger sized robot without a PCB?

The robots I built previously were all similar to the 4WD Kit from amazon. With these kits it's easy to use an H-Bridge breakout similar to this and using a perfboar to solder to the connections to ...
user avatar
0 votes
1 answer
71 views

Max clock frequency when cascading several 74HC for Address Decoding

I'm building a 6502 (WDC 65C02S) computer, for now on a breadboard (maybe later will I hopefully learn and move to a PCB). In my Address Decoding Logic I'm using several NAND and 4-input NAND gates (...
user avatar
-1 votes
1 answer
158 views

My breadboard is not working/doesn't have current [closed]

I recently got a Raspberry Pi and a Raspberry Pi kit with a breadboard and a couple of LEDs. At first, the LEDs and the breadboard worked but now the LED is not working. I tried using different wires ...
user avatar
0 votes
2 answers
92 views

Silicon Controlled Switch Problem [closed]

Can someone correct me and help me draw this SCS circuit diagram for a breadboard before I do the actual circuit? I tried using Multisim but since I'm new to it, it was hard for me to do so.
user avatar
1 vote
2 answers
121 views

Astable multivibrator malfunctioning on circuit board

Here is the circuit that I've built on my project board (GL-12) Here is a schematic: Note: I'm using BC107B transistors instead of BC547 as they are quite similar. To test the circuit, I added two ...
user avatar
0 votes
1 answer
95 views

Can't make simple oscillator based on NE555

I apologize for a very stupid question, I'm very beginner in electronics. I wanted to make a simple oscillator based on NE555P chips I ordered from local store, but struggling to make it work. I found ...
user avatar
0 votes
1 answer
95 views

Why is this circuit making a short to ground?

I was watching this video. I don't understand a circuit from the video works. This is the circuit: The last pin on the left is the reset pin, so every time the button is pressed, the microcontroller ...
user avatar
6 votes
3 answers
946 views

Soldering 12 gauge wire to protoboard

I would like to know if there is a way to solder this 12 gauge wire to my protoboard. The wire is connected to a 12 V power supply so I need to find a way to connect it to my protoboard. The hole is ...
user avatar
0 votes
0 answers
102 views

Connect IC without Pins to Breadboard

How to connect a IC without pin to breadboad? i have a 32 pin IC, any help on how to connect to my circuit in Breadboard. Thanks.
user avatar
  • 1
0 votes
1 answer
164 views

How to use this earphone jack on the breadboard?

i do my project and i have a component earphone jack PJ-319 The schematic is below In breadboard how can i get output signal? What pin i must use?? i can't know.
user avatar
2 votes
1 answer
74 views

Recent reference for "why not to build RF circuits on breadboard"

I've noticed the occasional I've built my FM modulator/RF mixer/433 MHz oscillator according to plans from The Internet on a breadboard, now it doesn't work. We can usually refer the author to ...
user avatar
  • 1,731
0 votes
2 answers
164 views

Correct wiring of a ADS1115

I'm trying to wire up an ADS1115 Analog to Digital Converter so I can use it with my FPGA Nandland Go Board. Can anyone confirm if this is the correct wiring? I think I've set it up so that I can ...
user avatar
0 votes
1 answer
122 views

Using ARM microcontrollers on breadboard [closed]

There seem to be no (or very few) ARM MCU's that can be fitted directly in a breadboard (DIP packages). What are the options? Is it possible to somehow use SMD packaged MCU's on a breadboard, or is ...
user avatar
  • 125
0 votes
0 answers
150 views

Problems building simple traffic light circuit on a breadboard

I'm new to breadboarding and am trying to take this simple traffic light circuit and build it on a breadboard. I'm trying to figure out where I went wrong but can't find the error. How can I fix this? ...
user avatar
2 votes
1 answer
124 views

Beginner circuit multimeter reads strange current

I have constructed the following very simple circuit. I would like to measure the current running through the circuit with my multimeter. I break the circuit as follows and connect the red lead to ...
user avatar
1 vote
0 answers
188 views

IRFZ44N with Arduino works fine on breadboard but not when directly connected with wire

I have a circuit that looks like this in the picture below. I am getting 5V to power Arduino Nano BLE 33 from the powerboost 500 module that is connected to the 450mAh lipo battery and the wireless ...
user avatar
  • 11
1 vote
1 answer
209 views

Programming CH552G

Stack Overflow isn't letting me have all the links I need here, so I put them all in this google doc. Sorry about that! This is my first solo embedded development project, and I can't seem to figure ...
user avatar
  • 11
4 votes
4 answers
1k views

My shift register is working when I use LEDs, but not a solenoid

I'm trying to operate a solenoid push pull motor with a shift register. It works fine with LEDs, but when I try to use the shift register to trigger my solenoid it doesn't work. I suspect it's a power ...
user avatar
  • 41
0 votes
1 answer
86 views

Make: Electronics Experiment 11 - Is this what the loudspeaker should sound like?

I'm working through Experiment 11 of Make: Electronics (1st edition since I bought a component kit that matches that edition). I have the circuit configured below, but I'm not sure that the ...
user avatar

1
2 3 4 5
10