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a construction base for prototyping of electronics

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0answers
28 views

How to connect a RPi to multiple breadboards?

I have a RPi and a i2c expander. I want to write a program to take in and process inputs with the RPi. One thing I need to do is have a lot of pin space. I was wondering if there was a way to connect ...
1
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0answers
71 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 ...
1
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0answers
34 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....
0
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1answer
48 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 ...
1
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1answer
37 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 ...
1
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1answer
55 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 ...
0
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1answer
49 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 ...
0
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1answer
234 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 ...
1
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1answer
42 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 ...
0
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0answers
27 views

How to send any data from raspberry pi to breadboard wirelessly? [duplicate]

My question is that how can I send any data from my raspberry pi 3 to breadboard? I want to do this in simplest way. I want to run a python script in my Raspberry and blink a led in breadboard. You ...
3
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1answer
148 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 ...
0
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2answers
47 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 ...
4
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4answers
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 ...
0
votes
2answers
134 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 "...
0
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0answers
524 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 ...
0
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0answers
87 views

Raspberry Pi Breadboard And Button

Today I received a breadboard starter kit, as I had wanted to try it for a while now, and after getting it and making an LED light up, I wanted to make a button print out a message on my screen when I ...
1
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2answers
118 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 ...
2
votes
1answer
2k 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('...
3
votes
1answer
69 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 ...
0
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1answer
93 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 ...
3
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2answers
1k 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. ...
0
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0answers
98 views

LED light strip not working with all colors

I am new to this whole Raspberry Pi world, and wanted to dive in with this fun looking LED light strip tutorial found here: http://dordnung.de/raspberrypi-ledstrip/. At first, I totally fried my PI ...
0
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2answers
833 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 ...
2
votes
1answer
356 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 ...
0
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0answers
24 views

Correct Resistor for LEDs and Breadboard Components

I've been looking at getting an RPi Zero W, and I'm working on a project using LEDs. Most or all of the tutorials I've seen use a 330 ohm resistor in the circuit to prevent frying the GPIO pins. ...
1
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1answer
847 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)...
0
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1answer
90 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 ...
2
votes
1answer
1k 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 ...
1
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2answers
596 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 ...
0
votes
2answers
909 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,...
0
votes
1answer
76 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(...
0
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3answers
928 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 ...
1
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0answers
207 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 ...
0
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3answers
691 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 ;)
1
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3answers
516 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 ...
1
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1answer
214 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'...
1
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1answer
597 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 ...
3
votes
1answer
1k 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 ...
2
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1answer
168 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 ...
1
vote
1answer
539 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 ...
0
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0answers
104 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 ...
1
vote
2answers
692 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 ...
0
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2answers
384 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 ...
1
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2answers
6k 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 ...
6
votes
6answers
13k views

Reed switch wiring

Working my way through a garage door project. I purchased a few of these but I'll be danged if I can find a consistent answer on how they're wired to a Rpi. My thought was just start hooking it up ...
0
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2answers
1k views

3.5inch RPi LCD display - detach from RPi2

Recently I have bought the Raspberry Pi 2 along with a small 3.5 touch screen. It works fine and I'm more or less happy with it (there is some choppiness in the rendering of things (even the cursor is ...
0
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0answers
26 views

How can I install the KY-001 temperature sensor on my Raspberry Pi 2 B? [duplicate]

I'm a beginner and know basically nothing about Raspberry Pi. Recently I bought a sensor kit and a breadboard, but there are no tutorials for them. So how can I, for example, install a temperature ...
3
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2answers
2k views

Do I need a resistor while connecting a Raspberry Pi to a breadboard?

At my workplace give away, I found a bunch of sensors for free (sun founders kit). Unfortunately, the box that contains more than 20 sensors did not have a resistor in it. I wish to connect a few ...
1
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0answers
55 views

Half size breadboard problem

I purchased the Raspberry Pi YouTube Workshop Kit from Buy a Pi.com a few days ago. I have a B+. But when I completed tutorial number two, LEDs On and Off, only the LED on the right turned on. Then I ...
2
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2answers
2k views

What would I use to let me use the GPIO pins on my RPi without soldering directly onto the pins & without a breadboard?

Is there a 'thing' that I can use to use the GPIO pins on my B+ without soldering and without a breadboard? I know I could use a breakout board with a ribbon cable and breadboard, but that adds an ...