a construction base for prototyping of electronics

learn more… | top users | synonyms

2
votes
1answer
54 views

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 ?
2
votes
2answers
60 views

My first breadboard / led

I loosely followed this. I've been studying breadboards for about an hour now, so this is super fresh in my head. My understanding is as follows: 5v power on the +(red) track (white wire) Ground ...
-1
votes
1answer
41 views

LED board connected to raspberry pi

I've been searching for a little while for an LED light board for a while now that is easily compatible with the raspberry pi that I could use an arduino to my raspberry pi and then use my raspberry ...
0
votes
0answers
38 views

can i connect LCD to Breadboard without header pins [on hold]

I am trying to connect 16X2 LCD into a breadboard and then make the display work through the PI. but i don't have 0.1 male headers. can i replace the pin headers by inserting wire only the metal part, ...
0
votes
1answer
49 views

How to use Slice of Pi kit for prototyping?

I have a Slice of Pi prototype board, but I'm somewhat confused as to how I'm supposed to use it. None of the pads in the prototype area seem to be connected. How am I supposed to wire stuff together ...
2
votes
1answer
95 views

How to Make the DS18B20 Temperature Probes Plug into a Bread Board Easier

I use a RPi with waterproof DS18B20 temperature probes to measure the temperature of my homebrew. Every time I brew a batch I must sanitize the probe and insert them through the airlock into the brew, ...
2
votes
1answer
205 views

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 ...
1
vote
1answer
120 views

Need advice on completing my raspberry vehicle setup

Lets start with my goal: I want to control my raspberry pi tracked vehicle via wifi using nodejs. See the attached picture, it is awesome already. I've got the following working: rolling tracked ...
5
votes
4answers
766 views

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 ...
3
votes
1answer
146 views

Detect if current is flowing [closed]

I have a circuit I am working on and I need to be able to detect if current is flowing through certain GPIO (breadboarding wires really), but I'm not totally sure how to go about it! Would I want to ...
2
votes
1answer
161 views

Creating a 4 player electric shock game

I have torn apart a toy prank electric buzzer that delivers a shock when you press the button. I would like to find a way to send a signal from a GPIO pin to act as the button press. I would then like ...
1
vote
2answers
2k views

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 ...
0
votes
1answer
957 views

Python script failing with AttributeError: LED instance has no attribute '__trunc__'

I am currently bread-boarding two LEDs with 560 mOh resistors connected to the RPi over a ribbon cable that connects to the breadboard with a Pi Cobbler. The problem I am getting isn't with the ...
1
vote
1answer
238 views

Why aren't GPIO_22 and GPIO_23 lighting up LEDs? (Beginner)

I'm losely following a traffic light tutorial where the following diagram has been provided: I've followed the diagram, only deviating from the tutorial to use RPi.GPIO in GPIO.BOARD mode.. I had no ...
2
votes
2answers
46 views

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 ...
4
votes
1answer
330 views

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 ...
0
votes
1answer
1k views

How to get pin addresses on a MCP23017

Recently I purchased a few MCP23017. I've been reading up on them and I've gotten a few lights to turn on and such. I am having a problem trying to understand how to figure out the register address ...
4
votes
3answers
272 views

What is breadboad? Is it a must for DYI projects?

I have some questions before I commit myself into RasPi DYI projects. What is a breadboard? The usage of it? Can I connect LEDs or switches (and others), with GPIO pins, without breadboaord, and/or ...
2
votes
2answers
2k views

Female Breadboard Jumper Cables

Can I use the inexpensive female/male or female/female breadboard jumper cables to temporarily wire sensors to the GPIO pins? ...
9
votes
2answers
1k views

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 ...
2
votes
2answers
191 views

Breadboards is this possible?

Is it possible to customise a breadboard to suite a project? Basically, I need to design a model of a "street" that has roads, and buildings on a breadboard that interacts with a Pi but making the ...