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Questions tagged [breadboard]

a construction base for prototyping of electronics

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Odd SPI issue only works when toggled

I'm running a pi 3b+ and I'm having a weird issue with SPI. I have a breadboard with an mcp3008 chip, and a potentiometer connected to it. I can get voltage values some of the time. I either have to ...
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1 vote
1 answer
64 views

i2c address not detected while trying to use Adafruit VL53L0X Time of Flight Distance Sensor

I have a Raspberry Pi 4. I am using the Adafruit VL53L0X Time of Flight Distance Sensor. I have connected a T-Cobbler to a breadboard and attached that to my Raspberry Pi. The sensor is wired ...
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-1 votes
1 answer
26 views

Has the Pi Zero ever had a Gnd on header pin 22?

My documentation say's header pin 20 is ground, and pin 22 is GPIO25. I bought a few Zero prototype boards from Schmartboard, Inc. P# 710-0016-03. Ten dollars a piece is rather expensive for this ...
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Unable to detect Capacitive Soil Moisture Sensor on my RPi 4 through ADS1115

My RPi 4 does not read any values in from my capacitive soil moisture sensor. I have a breadboard for the wiring that I will attach a photo of, and I am running a test program (simpletest.py from the ...
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-2 votes
1 answer
71 views

Is there a way to connect a serial cable to my pi while it is connected to my breadboard?

Currently I have my pi connected to my breadboard using a cobbler and breakout cable so I can connect some sensors (DHT22 and BMP280). Is there are way I can also connect my serial cable to it so I ...
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1 vote
1 answer
271 views

Connecting 12V LED to Raspberry Pi GPIO (3.3V)

Currently I am working on RPI GPIO with a breadboard, some LED's and buttons. My next step is to add a bigger button and LED to de GPIO. I would like to connect an Eaton 216557 LED-module to the GPIO ...
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1 vote
0 answers
148 views

PIR sensor always high with Raspberry Pi3 without breadboard

I have a HCSR501 PIR motion sensor, which has 3 pins (Vcc, Out, Gnd) that I've connected to 5V, GPIO 26, and Gnd respectively. Despite following all the steps in tutorials for interfacing the sensor, ...
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2 votes
2 answers
89 views

Is there a fan that will work for my Raspberry Pi 3 & breakout kit?

I have the following: Raspberry Pi 3 model B Breakout board bundle I've had this running for over a year now and right from the start, I had noted that playing some Retro Pie games or watching ...
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3 votes
3 answers
499 views

Beyond breadboards? Good ways to package simple GPIO-using project?

I have a couple of simple projects that use a handful of GPIO pins, a few resistors, and some sensors and LEDs. What's a good way to package up stuff like that? Is there a premade solderable HAT-like ...
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1 vote
1 answer
2k views

Connecting multiple sensors to Raspberry Pi 4 B

I have a Raspberry Pi Project in mind but I'm completely new to this matter and have literally no idea. My plan is to create a transportable Weather Station (which includes a temperature sensor, air ...
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Powering solenoid from batterypack

Im trying to power my 6V solenoid that is connected to my 8 channel 5V relay using my 8 x AA batterypack. The pi is being powered through an adapter and the relay from the VCC to 5V pi. When the LED ...
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1 vote
1 answer
544 views

Using two sensors that require the same GPIO pin

So I'm getting into GPIO and the first thing I want to do is connect a sensor and a RF controller. The thing is both 'sensors' require the same GPIO pins, so my question is can I still use both with a ...
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36 views

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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1 answer
76 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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4 votes
3 answers
7k views

Multiple GPIO Buttons vs Matrix Keypad

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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1 vote
1 answer
270 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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1 vote
1 answer
51 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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0 answers
85 views

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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1 vote
1 answer
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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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1 answer
2k 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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0 votes
1 answer
323 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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1 vote
1 answer
67 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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1 vote
0 answers
2k 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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1 vote
0 answers
255 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. and the led ...
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0 votes
1 answer
255 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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1 vote
1 answer
370 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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2 votes
1 answer
572 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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  • 121
0 votes
1 answer
79 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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  • 121
0 votes
1 answer
788 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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1 vote
1 answer
271 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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3 votes
1 answer
648 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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-1 votes
3 answers
287 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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3 votes
4 answers
1k views

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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0 votes
2 answers
550 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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0 votes
0 answers
2k 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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1 vote
2 answers
501 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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4 votes
1 answer
4k 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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2 votes
1 answer
187 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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0 votes
1 answer
140 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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3 votes
2 answers
4k 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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0 votes
2 answers
2k 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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2 votes
1 answer
384 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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1 vote
1 answer
2k 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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0 votes
1 answer
133 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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  • 113
2 votes
1 answer
3k 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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  • 391
1 vote
2 answers
2k 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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0 votes
2 answers
5k 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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0 votes
1 answer
84 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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0 votes
3 answers
2k 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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