Questions tagged [breadboard]

a construction base for prototyping of electronics

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Name of the board for DS18B20s

I was referred in another post with a picture of a board that looks like attached picture. What is the name of the board. Also if I require step up resistors would there be a place I could add that to ...
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55 views

Is there a piece of hardware which enables hotplugging sensors to the breadboard?

The idea is the following: I have a Raspberry PI connected to a breadboard. To this breadboard, I would like to connect (digital and analog) sensors and actuators while the PI is running. Or remove ...
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617 views

Multiple GPIO Buttons

I've seen a tutorial here that shows me how to do this: But what I want to do is like this: I want to have multiple buttons and distinguish between them. The graphic I painted depicts the desired ...
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Multiple SDA/SCL | Getting 16x32 RGB LED to work with MCP23017?

I am close to completing a device which will have a 16x32 led matrix as well as quite a few lights/buttons/sensors. All these lights and sensors go through an MCP23017. I am using the Adafruit led ...
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60 views

How Can I Make Lights Flash On My Raspberry Pi When A SSH Connection is Active?

I recently got a Raspberry Pi B+, and I have been playing around with it a lot. I want to start a personal project where, when I link to my Pi through an SSH connection from my laptop, I can make a "...
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30 views

Breadboard / Jumper Cables Instead of Arduino Uno Shield

I have the following hardware that mounts on top of Arduino Uno: https://www.cooking-hacks.com/documentation/tutorials/control-hvac-infrared-devices-from-the-internet-with-ir-remote/ I need to ...
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Is it possible to plug in and out sensors, LED-s etc. on the breadboard while the Raspberry is running?

What I would like to do, is to let the Raspberry Pi run and while it is running, connect and disconnect eg. sensors whenever I please to/from the breadboard WITHOUT turning off/disconnecting the Pi ...
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1answer
155 views

Raspberry Pi 3 Prototyping Breadboard HAT

How do I get the pin connect on the board. I see how to plug it on top of my raspberry pi through the female pin connected that is attached to the hat. But how do I connect the raspberry pins to the ...
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563 views

Connect button to GPIO without breadboard?

Is there a way to connect a button to a Raspberry Pi 3B+ without a breadboard? If so, how? Could you give a diagram and explain? I am only a beginner so please make it easy to understand. Also I would ...
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123 views

Controlling button on YwRobot with Raspberry Pi

I am obviously new to Raspberry and Stack, but would be great if community can advice. My setup is the following: - YwRobot 545043 power supply (controller) connected to the breadboard and to the ...
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33 views

GPIO.input(24) is coming back True when it shouldn't be (false button presses)

I have a button in a working circuit. Within sys/class/gpio/gpio24, value changes properly (it becomes 1 when pressed down, 0 otherwise). When I use GPIO.setup(24, GPIO.IN) within python, GPIO.input(...
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772 views

RPi.GPIO - Properly Wiring and Setting Up Pins for Button Inputs

Edit: Breadboard, schematic, and code updated. I accidentally fried my Pi by shorting it out through the GPIO pins, so I figured it would be a good idea to ask for some help before trying my current ...
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124 views

Cannot lighten up 12V LED strip with Raspberry pi 3

Bought a 12V 5M RGB LED Strip a 12V 5A power supply 6 IRLZ44N mosfets. i am trying to light up the led strip with PiGPIO. followed the https://dordnung.de/raspberrypi-ledstrip/ tutorial....
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157 views

How to connect more I2C sensors on top of a RPI shield

I'm struggling with a problem, how to connect more sensors on top of this raspberry shield => https://sixfab.com/product/raspberry-pi-nb-iot-shield/ The shields schematic can be found here and it ...
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1answer
90 views

Raspberry Pi LED Not Turning On With Button

So, I am trying to use the raspberry pi model 2b with Debian to control a LED light using a button. But, when I run the python script (made with python2 btw), it brings up no errors, but instead when ...
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169 views

315 Mhz transmitter/receiver not working

I'm not sure if this is the property community to ask this in, but it's the best I could find. I'm new to this kind of stuff, so please excuse me if this question is a little stupid. I currently have ...
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1answer
63 views

GPIO is not giving maximum 3v3 output

I have a raspberry pi model B, NO B+ OR 2B, jus the model B. I am using it as a brain for a robot but I’m having a little trouble with the motors. I am using the GPIO pins to power it but when I set ...
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489 views

Use RFID reader AND a 4x4 matrix keypad with breadboard

I am trying to set up a pi to use rfid to scan a card and if the card is correct, the user will enter in a 4 digit code into a 4x4 matrix keypad. Each device works perfectly fine independently however ...
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1answer
64 views

Universal Breadboard for Raspberry Pi?

So, I am looking to buy a breadboard for my raspberry pi, and I was just wondering one question. There are a lot of different boards from different companies, is there a certain kind that must be ...
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1answer
339 views

How to hook LCD to breadboard using T cobbler?

I'm not sure what I am doing wrong here: Now I am a newb and I have watched 5-7 intro videos about the cobbler and breadboard, but they are always doing LEDs. I was under the impression that this ...
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3answers
70 views

Basic questions about inputs/outputs on a breadboard (Pi 3)

I have started my first basic project today and I have a few questions I couldn't find answers to yet or I just don't know how to search for any. Sorry if those questions seem a bit stupid, but I will ...
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Is it ok to use a breadboard for a 24/7 operating Pi?

I am working with a breadboard to quickly test connections on the Raspberry Pi. I have added multiple cables, transistors and resistors to the breadboard to create my Smart Home and everything is ...
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284 views

Are there any buzzers that work natively with 1 Model As?

I'm trying to follow the examples in this CanJam EduKit project -- see page 2: I'm having enormous difficulty tracking down a piezo/buzzer that I could use for that project, a buzzer that: Works "...
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988 views

Failing to turn on a LED with GPIO Pins (Raspberry Pi 3 B V1.2)

I'm trying to play around with my RaspberryPi a bit and I'm failing miserably... ANY help ist highly appreciated! I'm on a brand new installation of Raspbian, after "apt-get update && apt-get ...
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267 views

Connecting one Raspberry pi pin to many IR sensors

I'm currently using pin 3 on my Raspberry pi to run one of my IR sensors. But I need to use 4 IR sensors for the purpose. Is it possible to connect all the 4 IR sensors to the same pin using a bread ...
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3k views

Preventing corrosion on YL-69

I am using the YL-69 with a MCP3008 and a Raspberry Pi 3: I am using the sensor for soil moisture measurement (plant monitoring). This is the code which gets analogue sensor values: os.system('...
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1answer
106 views

Do I need to have an ADC plugged into a breadboard?

I have a MCP3008 - 8-Channel 10-Bit ADC mounted on my breadboard but I am trying to downsize my prototype. Do I need to have the ADC on a breadboard or can I just use female jumpers to attach it to ...
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119 views

Need help with my Smart Bin Project [closed]

Hi I'm doing an individual project based on a Smart Bin, My main objective for this project is to prevent bins from overflowing,to detect if bins are nearly full by using an Infrared distance sensor ...
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2k views

Is there a simulator for building circuits with Raspberry Pi GPIO pins?

I was wondering if there is a free simulator/emulator that I can run either online or on a Windows computer to let me test my scripts and more importantly my wiring, as I am new to building circuits. ...
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1k views

LED on breadboard lights up on boot

I have a setup like below: The script is supposed to turn the led on, sleep and turn it off again. And the script does work. import RPi.GPIO as GPIO import time # This script will turn on the LED ...
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374 views

Can I pick any other GPIO in my scenario?

I have a setup with a pi 3 and a breadboard. I am using a DS18B20 temperature sensor. This is my setup (notice wrong resistor in this sketch): As far as I can see it the sensor's second pin is the ...
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1k views

What would the wiring look like for the UV Sensor Breakout - ML8511?

I have a Raspberry Pi 3 Model B. I am planning to connect an ADC (analog to digital) converter called the MCP3008. I will follow the diagram that is shown here (scroll down past the enabling SPI step)...
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112 views

Would this be the full list of materials to connect a ML8511 UV sensor to a Raspberry Pi?

I have the SparkFun ML8511/UV Sensor Breakout. In order to connect this to a Raspberry Pi would I need any other materials besides the following: A Breadboard A MCP3008 for analogue to digital ...
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1answer
2k views

connecting common anode rgb led

Mistakenly purchased common anode RGB LEDs and haven't been able to find any examples showing how to connect to Raspberry Pi 3. All diagrams describe the common cathode type. I understand the logic ...
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2answers
937 views

Safely using the ground pin

I have a cobbler connected to my Pi and a breadboard: if I use multiple GPIO pins and the 3.3V pin in a circuit can I simply just use a single ground pin to provide the negative connection safely? My ...
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2k views

Controlling a 5m WS2812 LED Strip. Which power supply?

I read the following tutorial: http://popoklopsi.github.io/RaspberryPi-LedStrip/#!/ws2812 In the tutorial 1m of WS2812 led strip is used and it is stated, that its power supply needs a maximum of 3,...
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1answer
83 views

Simple circuit to check the data flow [duplicate]

This question is a follow up for this question. I have a classic servo motor (Vin, PWM, Ground), and a short program to work with it. The code is: import RPi.GPIO as GPIO import time GPIO.setmode(...
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1k views

A guide or layout for the Eleduino GPIO Extension Board Layout?

Does anyone have a guide or layout for the Eleduino GPIO Extension Board Layout? It's a T Board but with 3v/ground and 5v/ground separated on the sides to match with the bread board side lines. It ...
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283 views

LED button doesn't work

I have tried connecting a LED with a button like this (from "Adventures in RPi"), but with the far end of the button plugged at G (instead of F). And I ran it with the following Python program (by ...
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859 views

Can I plug GPIO pins directly to a breadboard?

I was just wondering if I could (with bending slightly) interface my GPIO pins directly into an AD-100 breadboard? Just wondering ;)
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1k views

Can I control a DC 3-6v Gear Motor without any driver?

I was wondering if I can control a DC 3-6v Gear Motor without any thing but my Raspberry Pi. I have provided an image of what I have done and it does not seem to work but when I plug the positive side ...
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1answer
493 views

GPIO Callbacks and How to Use Them

I'm building a prototype lift shaft, as many of you may know. And I was wondering what the best GPIO callback is, and how to use it. I've tried RPIO, bu I couldn't download it. And I've heard of 'edge'...
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1answer
694 views

Connecting a PIR sensor and a screen

I want to connect a PIR Sensor and an LCD touchscreen to my Raspberry Pi B+. However, it seems that they both use the same pins on the GPIO, which makes me unable to connect them both directly. What ...
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1answer
2k views

How should I connect GPIO pins to leads to my sensor in a permanent Raspberry Pi deployment?

I have built a small IoT application that runs on my RP. I would like to deploy it permanently in my home, but would like to formalize the breadboard setup into something a little more durable and ...
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1answer
196 views

Stepper Motor Not Responding. Wiring Issue?

I am following the tutorial: But I am using a pi t-cobbler and a Pi 2. I am also using the ULN2803 driver. When plugging a button into the appropriate gpio spots on the breadboard, I am able to run a ...
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1answer
624 views

Can't get Raspberry Pi to Control LED Lights

I am currently trying to get my Raspberry Pi to be able to control my RGB LED Strip. Here is the guide I am using: https://popoklopsi.github.io/RaspberryPi-LedStrip/#/. Currently, the LED Strip lights ...
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109 views

Connecting to breadboard over long distances

I want to get several buttons that can communicate over the internet. So I decided to connect push buttons to a raspberry pi. However, the issue is that these buttons need to spread out across the ...
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2answers
857 views

Limiting GPIO input voltage

I am a very recent new Pi owner and am setting up to build a 'lab board', with a breakout breadboard for the GPIO pins. I have read a great many dire warnings about frying the Pi if I accidentally ...
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2answers
484 views

Build a patch panel for the GPIO ports on a Pi

I don't like the idea of casual experiments where attaching jumpers straight to GPIO pins is a common activity. I would actually prefer the Raspberry board remain safely affixed to a lab-board, with a ...
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2answers
8k views

How many sensors I can connect to one breadboard ? (raspberry pi 2)

I'm a new user of raspberry pi 2. I'm preparing a school project and I wonder how many sensors I can plug in to my raspberry pi. I would like to connect 3 sensors: PIR sensor DHT22 DS18B20 Will ...