Topic

led

12 videos. Ranked by independent recommendations, not by views.

1. 

   1 Raspberry Pi - How to use the GPIO

   RaspberryPiIVBeginners 8 people · 7 months · since Jun 2012

   An early beginner tutorial on lighting LEDs and reading buttons from Raspberry Pi GPIO pins with the RPi.GPIO Python library.

2. 

   2 Using LEDs as mains indicator lights on 120V and 230V (live demos)

   bigclivedotcom 7 people · 7 months · since Oct 2017

   Big Clive demonstrates several ways to run an LED as a mains indicator on 120 V and 230 V, recommended when resistor-only circuits overheat or reverse voltage harms the LED.

3. 

   3 How to make a super bright LED light panel (for video work etc)

   DIY Perks 6 people · 7 months · since May 2015

   DIY Perks builds a bright battery-powered LED panel for video work; people copy the design and ask how its potentiometer and resistor set the converter's output range.

4. 

   4 Raspberry Pi - GPIO & Python (2/9) - LED on & off

   RaspberryPiIVBeginners 5 people · 5 months · since Dec 2014

   A beginner tutorial on wiring an LED to Raspberry Pi GPIO pins and controlling it from Python, typical of what newcomers are pointed to first.

5. 

   5 3D LED RGB Cube 16x16x16 (b)

   3DLEDCube 4 people · 4 months · since Apr 2012

   An LED cube showcase linked as an example of Arduino cube projects; one commenter suggests it may be too complicated for a first project.

6. 

   6 Reactive LED Coffee Table - Arduino

   yohash84 3 people · 3 months · since Jun 2014

   Shown as an eye-catching Arduino demonstration of LEDs reacting to touch and movement, and cited as a practical example of an infrared sensor array.

7. 

   7 LED Matrix Light Sensor

   victzhang 3 people · 3 months · since Oct 2013

   Shows that an ordinary LED can double as a crude light detector, a trick people cite often, with the caveat that it needs plenty of light.

8. 

   8 How to Make a Pulsing/Fading LED Circuit

   Someone7089 3 people · 3 months · since Jul 2013

   Builds a pulsing, fading LED circuit around a 555 timer; people follow it for small lighting projects and adapt the component values to their own LEDs and supply.

9. 

   9 Arduino Tutorial #1 - Digital Inputs and Outputs - Button & LED

   Vlad Romanov 3 people · 3 months · since Nov 2014

   Offered to newcomers as a first Arduino exercise, wiring a simple LED circuit on a breadboard with jumper leads from an Uno.

10. 

    10 Series circuit - 3 LEDs

    Henryk Gasperowicz 3 people · 3 months · since Dec 2011

    A circuit puzzle with three LEDs that behave unexpectedly, shared for people to work out how the effect is produced.

11. 

    11 Experimenting with LEDs | Digital electronics (1 of 10)

    Ben Eater 3 people · 3 months · since Nov 2017

    Opens Ben Eater's digital electronics series by varying the voltage across an LED to show its forward voltage and current behaviour; suggested to beginners puzzled by LEDs.

12. 

    12 RAM module build - part 1

    Ben Eater 3 people · 3 months · since Apr 2017

    Ben Eater builds the 74LS189 RAM module for his 8-bit computer; often cited in questions about the chip heating and LEDs driven without resistors.