Now showing circuits 1-20 of 83. Sort by


debugging-fig-07.14 PUBLIC

by hkienle | updated April 10, 2022

constant-current-source   led   zener-diode  


debugging-fig-07.13 PUBLIC

by hkienle | updated April 10, 2022

constant-current-source   led   voltage-divider  


tutorial-bjt-current_limiter-w_zener PUBLIC

by hkienle | updated March 18, 2022

constant-current-source   led   zener-diode  


prj-led-cc_driver PUBLIC

by hkienle | updated February 23, 2022

constant-current-source   instructable   led  


tutorial-digital PUBLIC

by hkienle | updated January 12, 2022

digital   frequency-divider   led   tutorial-email  


tutorial-bjt-current_limiter PUBLIC

by hkienle | updated January 08, 2022

bjt   current-limiting   led  


tutorial-led PUBLIC

by hkienle | updated January 08, 2022

current-limiting   led  


TwoDifferentLEDinvolvedInCurrentMirror PUBLIC

by vanderghast | updated February 14, 2021

current-mirror   led  

Flickering light dimmer

Flickering light dimmer PUBLIC

by ikatkov | updated December 27, 2020

dimmer   led   lm317  

LED constant current controller

LED constant current controller PUBLIC

by hevans | updated July 07, 2020

constant-current-source   led  

Solar Experiment

Solar Experiment PUBLIC

BigCliveDotCom's "Simplest solar light possible, using old phone battery" schematic

by dhaans | updated May 05, 2020

battery   charger   led   solar  

Led driver design

Led driver design PUBLIC

constant current led driver from 6v DC input. Controlled from Attiny85 PWM.

by cheperboy | updated July 06, 2019


Led driver simulation

Led driver simulation PUBLIC

constant current led driver from 6v DC input. pwm provided by attiny85.

by cheperboy | updated July 06, 2019


Bluetooth Dimmer Bypass Problem

Bluetooth Dimmer Bypass Problem PUBLIC

Help needed in maintaining dimming function of 12V Bluetooth LED dimmer when module is not bypassed.

by Greg_di | updated March 12, 2019

bypass   diode   led  

LED Flasher


Status Indicator: Steady good, flashing bad.

by Watuckey | updated September 23, 2018

flasher   led  

LEDs with resistor biasing

LEDs with resistor biasing PUBLIC

LEDs are usually found with a resistor in series to select the desired current (and therefore brightness and power consumption).

by CircuitLab | updated June 07, 2017

bias-point   current-limiting   led  

magnetic switch/transistor

magnetic switch/transistor PUBLIC

A circuit from a Forrest Mims III book. Comments welcome.

by ronneyg | updated September 05, 2016

led   transistor  

LED Low Level Lighting

LED Low Level Lighting PUBLIC

LED yard lighting. Used to illuminate back yard with enough light to navigate paths safely at night.

by RBClarke | updated March 11, 2016

constant-current-source   led  

MAX7221 MAX7219 Binary Controller

MAX7221 MAX7219 Binary Controller PUBLIC

by Kaptn_flint | updated August 13, 2015

binary   decoder   digit   display   led   segment  

Basic LED Circuit

Basic LED Circuit PUBLIC

by paulmirel | updated August 08, 2015

basic   led   ohms-law  

More tags

555   7805   ac-to-dc   active-filter   amplifier   analog   and   anode   attenuator   atx   audio   automotive   band-reject   bandgap   behavioral   bias-point   bjt   bode   bridge-rectifier   button   calculator   cascaded-filters   cascode   cathode   cmos   colpitts   compensation   constant-current-source   current-limiting   current-mirror   current-monitor   current-regulator   dac   dc-to-ac   device-modeling   differential   differentiator   digital   diode   divider   emitter-follower   feedback   filter   flyback   flyback-diode   frequency-domain   full-wave   guitar   ham-radio   high-pass   high-speed   high-voltage   hv   hysteresis   ic   ignition-coil   induction   inductive   inductive-load   initial-conditions   instrumentation-amplifier   integrator   inverting   jfet   laplace   led   led-array   level-shift   lighting   lipo   lm317   load-cell   logic-gate   low-pass   mechanical   microcontroller   microphone   mosfet   motor   multivibrator   non-inverting   nonlinear   nor   notch   ohms-law   op-amp   optical   or   oscillator   parallel   passive   passive-filter   pcb-design   phase-shift   photodiode   photoresistor   phototransistor   piezo   plants   potentiometer   power   power-supply   power-supply-unit   preamp   pull-down   pull-up   pwm   rc   relaxation-oscillator   relay   resistor-ladder   resonance   rf   rlc   rom   saturation   schmitt-trigger   sensor   series   servo-motor   signal   spark-plug   stability   stepper   summing   superposition   switching   time-constant   transformer   transistor   translinear   twin-t   voltage-divider   voltage-regulator   waveform-arithmetic   wiring   xnor   xor   zener-diode   zero-voltage-switching  

About CircuitLab

CircuitLab is an in-browser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.