|
|
Category: Light Laser LED Circuits / Led circuits Views: 5417 Rank: 0 There are two principle ways of driving LEDs, either continuously or using a pulsed current. A pulsed current is preferred because energy is conserved and the LEDs can appear brighter. By applying pulses, higher current can be driven safely into the LED. Even if the average current is the same, the eye and brain believes the LED is brighter. There is a trade-off to consider in terms of the pulsed current value and duty cycle versus battery life. The ZXSC100 allows optimum performance to be selected. visit page.
Related circuits LED flashing with 3909 IC circuit This project uses a 3909 IC and a few other parts; power is 1.5 volts DC. The ·circuit includes a peak detector that irrunediately drives the readout to any new higher signal level and slowly lowers it after the signal drops to zero. The readout is a moving dot or expanding bar display. The circuit can be expanded for a longer bar readout. Tapping five or more LED... The circuit will modulate the light from the LED using a crystal microphone or a loudspeaker output. To obtain the maximum range, the optical system must be efficient (see example). Either a convex lens or a concave mirror can be used to convert the LED output into a parallel beam. The received... Add switch-and-LED I/O to DSP`s serial port You can attach 16 switches and 16 LEDs to the data bus using octal latches and decoded address strobes. However, this connection can be a wiring nightmare--or even impossible if the design does not generate the required control strobes. Most DSP chips have a synchronous serial port that provides... Single and Two Cell White LED Drivers The operating voltage of white LEDs coupled with my emotional need for low cost for a given function, motivates me to make LED drivers suitable for battery operated lanterns that can run from a small number of cells. White and Ultraviolet LEDs available at the time of this writing, require higher... This is a very basic circuit for flashing one or more LEDS and also to alternately flash one or more LEDs. It uses a 555 timer setup as an astable multivibrator with a variable frequency. With the preset at its max. the flashing rate of the LED is about 1/2 a second. It can be increased by... This is a nice example circuit that can be used at parties. The four LEDs blink to the beat of the music. The light organ using a microphone responds to sound. T1 amplifies the signal from MIC. The sensitivity can be adjusted with P1. T4 controls the LEDs. These are preferably high intensity LEDs. AC MAINS LED indicator schematic Often the need to control light switch on the instrument. If napájíme LED source of low DC voltage sufficient to classify a series of LED-resistor of appropriate resistance. Another situation occurs, if a small supply available, or to indicate when the voltage needed before the safety equipment... PEAK electronics presents new DC/DC, AC/DC converter, LED driver and DIN-rail...
Self starting solar powered stirling engine
Comments
Facebook Comments
Most searched
lm3915
Results: 15 Count: 10808
Automatic battery charger
Results: 960 Count: 9254
12v counter
Results: 965 Count: 8066
signal generator using XR2206
Results: 3108 Count: 7467
multivibrator
Results: 243 Count: 7463
12f629 switch
Results: 1604 Count: 7215
optocoupler
Results: 52 Count: 7095
bcd
Results: 40 Count: 6343 |
Accounts area
Circuits
Audio Filters
Stereo Circuits Ultrasonic Circuits Amplifiers Audio Oscillators Preamplifiers Audio Mixers Equalizers Tone Balance Beeper Buzzer Vacuum Tubes Valves Musical & effects Microphone Circuits
PLL Circuits
UHF circuits VHF Circuits FM radio GPS Circuits Jammer Circuits RF Transmitters RF Receivers RF Amplifiers AM radio Antenna Circuits FM Transmitter Transceiver Circuits
Demodulators
Buffer Circuits Triac Circuits Mosfet Circuits Sequencer 555 Timer Circuits Doorbell Circuits Switching Circuits Remote Control Toy H Bridge Circuit Game Circuits Keypad Circuits
Metal Detector Circuits
Liquid Sensing Circuits Light Sensing Circuits Voltage Detector Circuits Air-Gas Detection Circuits Human Sensing Circuits RF & Radiation Medical Circuits Sensor Circuits Magnetic circuits Optical Sensing Circuits Hall Effect
Varius Circuits
Astable Colpitts Crystal Hartley RF Sine wave Square wave Volt controlled Wein Bridge Monostable Circuits Pierce
Tesla Circuits
Inverter Circuits Free Energy Circuits Chargers AC to DC & DC to DC Solar Cell Circuits Current Limiting Mirco Power Circuits High Voltage Switching Power Supplies
Timer Circuits
Voltmeters Frequency meter Meters Circuits Counters Clock Circuits Checker Circuits Delay Circuits Thermometer Circuits VU Meters
Infrared
Xenon Lighting Light Sensing Laser Led circuits Fluorescent Circuits LCD circuits Light Dimmers
Readout Circuits
Logic Circuits Digital to Analog Display Circuits Analog to Digital Data Logging Data Bus Circuits Decoder Circuits
Voltage to Pulse
Current to Voltage Frequency to Voltage RF Converter Circuits Sine to Square Wave Voltage to Current voltage to frequency Period to Voltage
Video Mixer
Video Wall circuits TV Video Circuits Modulator Camera Circuits Television Photo Flash Video Amplifier
Stepper Motor
Remote Control Servo Circuits Robotics Direction Finder Power Control Relay Circuits Motor Control Circuits
Arduino projects
PIC Microcontroller AVR Microcontroller Programmers 68HC11 Microcontroller 8051 / 8052 MCU Circuits
|
|
Electronic Circuits Schematics Projects
|
|
