Now showing circuits 21-40 of 87. Sort by

crappy tremolo pedal sketch

crappy tremolo pedal sketch PUBLIC

by stashcraft | updated February 04, 2013

555   astable   led   optical  

CT_to_digital_pin_with_indicator

CT_to_digital_pin_with_indicator PUBLIC

by Sergegsx | updated September 29, 2012

arduino   ct   digital   led  

Dark activated LED

Dark activated LED PUBLIC

This circuit uses 2 NPN Transistors and an LDR to create a automatic on for an LED in this case. It has very good response, and low power consumption in light.

by joiseystud | updated January 17, 2014

led   photoresistor  

debugging-fig-07.13

debugging-fig-07.13 PUBLIC

by hkienle | updated April 10, 2022

constant-current-source   led   voltage-divider  

debugging-fig-07.14

debugging-fig-07.14 PUBLIC

by hkienle | updated April 10, 2022

constant-current-source   led   zener-diode  

Directional IR presence detector

Directional IR presence detector PUBLIC

Provides a presence detector for model railway trains and similar moving things, providing an input to Arduino microcontrollers.

by rickb | updated April 23, 2013

arduino   led   model-railway   phototransistor  

dual led fader

dual led fader PUBLIC

by stripwax | updated March 03, 2013

fade   led   pulsing   rc   transistor  

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  

Fading Led

Fading Led PUBLIC

by RfbxTixZKBq2 | updated March 11, 2012

555   fading-led   led  

Flickering light dimmer

Flickering light dimmer PUBLIC

by ikatkov | updated December 27, 2020

dimmer   led   lm317  

GDB LED circuit

GDB LED circuit PUBLIC

Eight Gravity Development Board LED's to make cool artistic displays or output engineering data.

by SolX2010 | updated January 12, 2014

gdb   gravity-development-board   led   sol-x   solar-system-express  

Infrared Counting Circuit 1 Digit

Infrared Counting Circuit 1 Digit PUBLIC

A functioning counting circuit. While the space between the IR LED and the IR Phototransistor is unblocked the number stays. When blocked, it increments by one.

by lucasmoten | updated May 20, 2012

311   7414   7447   7490   count   infrared   led  

IR presence detector (e.g. for model railway trains)

IR presence detector (e.g. for model railway trains) PUBLIC

Provides a presence detector for model railway trains and similar moving things, providing an input to Arduino microcontrollers.

by rickb | updated April 27, 2013

arduino   led   model-railway   phototransistor  

JT Flashlight Conversion

JT Flashlight Conversion PUBLIC

by qs | updated April 02, 2012

flashlight   joule   joule-thief   led   light   thief  

LA001DC-firestarter

LA001DC-firestarter PUBLIC

An array of prefab 4.5v L.E.D. modules (with their resistors removed), chained together for use with 12VDC supply.

by asp | updated July 02, 2013

12vdc   array   danger   fire   hackemup   led  

Led

Led PUBLIC

by albaramos | updated March 06, 2012

led  

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  

LED 3x3x3 Cube

LED 3x3x3 Cube PUBLIC

This is a LED 3x3x3 cube circuit. The LED's Cathodes are soldered together in 3 rows, and the anodes are soldered 3 high in 9 columns. This particular cube will be connected to an arduino. 3 NPN...

by dan89156108 | updated January 05, 2013

3x3x3   arduino   cube   led   mosfet   npn  

LED Array Modul

LED Array Modul PUBLIC

by byutea | updated March 30, 2012

constan-current-source   led   led-array  

LED constant current controller

LED constant current controller PUBLIC

by hevans | updated July 07, 2020

constant-current-source   led  

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  

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