Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [breadboard]

a construction base for prototyping of electronics

Solderless breadboards are commonly used to create temporary prototypes and experiment with varying circuit designs.

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What do I need to simulate traffic lights using LEDs?

So I'm making a model that simulates traffic lights (Red, Amber, Green) so there will be three LEDS that need to be preferably extendable (I don't want them attached directly to the breadboard) but I don't even know where to start (Ok, I admit I am…
Phorce
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12V device to a Raspberry Pi

For my school engineering project, I have a coin acceptor device which I would like to link to the Raspberry Pi. However the device requires 12V in power. I have an idea of what to do to power the device, however I have heard that there is a risk of…
ChaoticPanda
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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 and giving it a shot, I'm worried about blowing up…
Bmo
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How can I use the RPi GPIO to make a headphone sensing audio jack?

I am working on a project that involves a raspberry pi acting as an internet radio client which the public can access by plugging their own headphones into a 3.5mm (1/8”) jack. They will have access to volume control and nothing else. The project’s…
MichaelBaker
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GPIO Temperature Sensor not Recognized

I recently tried to connect a temperature sensor (http://www.adafruit.com/product/381) to my RasPi via the GPIO, with a 4.7k (2Watt) resistor connecting the power and data (Source: http://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/temperature/)…
Kachamenus
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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 layout of the buttons and how I propose arranging…
user96931
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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('modprobe w1-gpio') os.system('modprobe w1-therm') spi…
チーズパン
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Female Breadboard Jumper Cables

Can I use the inexpensive female/male or female/female breadboard jumper cables to temporarily wire sensors to the GPIO…
Brian Low
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RGB LED is not lighting up

I connected an RGB LED(common anode) via the GPIO, and tried to get it to light up, but for some reason when I run the command, the LED does not light up. Here's the code I'm using import RPi.GPIO as GPIO GPIO.setmode(GPIO.BOARD) GPIO.setup(11,…
Idris
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How to add a usb slave port to a raspberry pi

Is there a way, with a small board add-on, a simple cable incorporating some specialized chip, to add a usb slave port to a RPi, to let it be used as a device?
Alain
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LED light not turning on

I was following this tutorial on connecting an external LED to a Pico W, but I've had no luck getting it to work. This is the code I've been using: import machine from machine import Pin, Timer timer = Timer() led = Pin("LED", Pin.OUT) def…
Emu_of_Ubiquity
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ADC for ultrasonic frequency recording?

I'm trying to create a prototype using a breadboard that is able to record sounds at the ultrasonic frequency range. I am looking into purchasing this microphone. The problem is that the Raspberry Pi only has digital inputs. I researched and found…
Phorce
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Microphone for a project

I'm just wondering whether or not this Electret Microphone Amplifier - MAX4466 will be sufficient enough for the project that I'm planning? My project I plan to connect the microphone up and accept input. This input is then converted to a .wav file…
Phorce
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Is it normal to read a connection between pins 2 and 4 of a GPIO breakout board?

So, I recently bought this cobbler kit from adafruit, and finished up the soldering as they instructed. However, after doing so, I hooked the cobbler up to my breadboard to test the connections. I noticed that between pins 2 and 4, there was low…
Joey Eremondi
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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 cobbler just makes it easy to see/plug/test things…
user76595
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