Now showing circuits 61-71 of 71. Sort by

Common Cathode - 7 Segment Display

Common Cathode - 7 Segment Display PUBLIC

A basic diagram of a common cathode 7-segment-display representing that all LEDs lead to ground. Resistors should typically be added between power and input pins.

by lucasmoten | updated March 27, 2012

7-segment-display   cathode   ic   led  

Basic LED Circuit

Basic LED Circuit PUBLIC

by lucasmoten | updated March 26, 2012

9v   battery   calculate   formula   led   ohms-law   resistor  

Dual LED Flasher - Forrest Mims Design

Dual LED Flasher - Forrest Mims Design PUBLIC

This is from Forrest Mims book. Flashes Dual LEDS. I wanted to use a proven known schematic to learn Circuit Lab.

by kryton9 | updated March 13, 2012

flash   led  

Simple JT Flasher with Daylight sensing

Simple JT Flasher with Daylight sensing PUBLIC

An attention grabbing Joule-Thief blinker using a single transistor and shuts off during daylight.

by qs | updated March 13, 2012

blinking   flasher   joule   joule-thief   led   thief  

MultiVibrator Circuit

MultiVibrator Circuit PUBLIC

Alternately flashed between red and green LEDs.

by RfbxTixZKBq2 | updated March 11, 2012


Fading Led

Fading Led PUBLIC

by RfbxTixZKBq2 | updated March 11, 2012

555   fading-led   led  

1-watt Joule Thief

1-watt Joule Thief PUBLIC

A high-power Joule Thief type circuit to drive a 1watt LED from a 1.5 volt source. A suitable driver transistor, like the 2SD965, 2SC2500, 2SC2655 MUST be used! The second winding has been replaced by...

by qs | updated March 10, 2012

joule   joule-thief   led   power   thief  

Arduino Blink Circuit Simulation

Arduino Blink Circuit Simulation PUBLIC

by SpinStabilized | updated March 09, 2012

arduino   blink   led   tutorial  

2n7000 driving an LED

2n7000 driving an LED PUBLIC

A square wave turning an LED on and off through a MOSFET.

by hevans | updated March 07, 2012

led   mosfet  



by albaramos | updated March 06, 2012


LED / photodiode with optical connection by CCCS

LED / photodiode with optical connection by CCCS PUBLIC

A CCCS (Current Controlled Current Source) can be used to simulate the optical coupling between an LED and photodiode.

by mrobbins | updated March 01, 2012

led   optical   photodiode  

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