All Questions
Tagged with raspberry-pi breadboard
18 questions
0
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1
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154
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Controlling Motor Speed with MCP4162-104E Digital Potentiometer
I am new to electronics and this is my first time using a digital potentiometer. My goal is to control the speed of a DC motor using the MCP4162-104E digital potentiometer. I am confident in the ...
user360439
-1
votes
2
answers
1k
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Transistor allowing voltage from base to emitter without collector
I am new to electrical engineering and was trying to create a transistor switch for my motor. In doing this, I noticed a bug when I disconnected the 5 V power source.
The circuit looks like the one ...
- 67
-1
votes
1
answer
840
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My breadboard is not working/doesn't have current [closed]
I recently got a Raspberry Pi and a Raspberry Pi kit with a breadboard and a couple of LEDs. At first, the LEDs and the breadboard worked but now the LED is not working. I tried using different wires ...
4
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4
answers
1k
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My shift register is working when I use LEDs, but not a solenoid
I'm trying to operate a solenoid push pull motor with a shift register. It works fine with LEDs, but when I try to use the shift register to trigger my solenoid it doesn't work. I suspect it's a power ...
- 41
0
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1
answer
231
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Loud hum emitting from output stage of Raspberry Pi guitar pedal
I've been trying to implement the electrosmash Pedal Pi project using a Raspberry Pi 4 Model B, breadboards, and parts purchased from DigiKey.
For reference, here is the overall schematic of the build:...
0
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1
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2k
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~150 WS2812b LED's with Pi Zero and SN74AHCT125N
I'm planning to control about 150 WS2812b LEDs with my Pi Zero and a 5v 11a power source (PC molex connector). Following this guide: https://www.thegeekpub.com/15990/wiring-ws2812b-addressable-leds-to-...
- 3
1
vote
1
answer
122
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How to hook up a fan to this switching circuit
I am trying to build a controlable fan with a raspberry pi and I have found the below circuit for a switching circuit to allow the 12V power to go to the fan
My question is how do I then hook the fan ...
- 177
1
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1
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123
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Losing power when using breadboard with Raspberry Pi 3
I am controller a DC motor with Raspberry 3 via a breadboard.
It works very well. The aim is to open and close a door of a chicken coop.
My issue is that the motor does not have enough power.
If I ...
- 123
2
votes
2
answers
612
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Power in circuit fading away after a few seconds
I have an RGB LED strip connected to a power source via a breadboard with three MOSFETs that are controlled by a Raspberry Pi. I followed this tutorial to build exactly this setup:
This worked before, ...
- 21
0
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1
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121
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Would this be the correct way to wire this breakout board sensor with an ADC?
I have a Raspberry Pi 3 Model B. It is going to be wired to an ADC called the MCP3008 like this:
I also have a breakout board, called the ML8511 UV Sensor which I am going to solder to the breadboard....
- 189
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2
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895
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How to chose a diode for breadboarding?
I use Rasperry Pi / Arduino as power source (5V,3.3V) and for input/output (GPIO, Arduino headers). I reached a point when I realized, that what's in my mind needs diodes.
I'm building a morse ...
- 111
-1
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2
answers
722
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Solderless headers? [closed]
Where can I find solderless headers suitable for a solderless breadboard.? This is for a raspberry pi project I'm working on which requires the mounting of an LCD screen. I have explored the ...
- 1
6
votes
5
answers
12k
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Safety of using microcontrollers such as Arduino
I have been learning how to work with Arduino Uno R3, and it seems very intuitive and exciting for me. As many agree, I see lots of benefits of learning to use it at a young age.
I would like to ...
- 161
0
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1
answer
161
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Why is voltage properly siphoned off in this circuit?
This comes from the Raspberry Pi "fart detector" project. It says to place a 47k Ohm resistor connected to ground in order to siphon off a certain amount of voltage so that the voltage read from the ...
- 131
1
vote
1
answer
664
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Breadboard Wiring with Seven Segment Display
So I'm planning on building a skee ball machine and as I've been looking into it I've decided to use some seven segment displays from here:
As I've looked into this more I know I need a breadboard and ...
- 113