Sensor
light circuits  related subjects:
Infra Red Circuits,
Optical sensors, Opto electronic circuits |
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Ambient-Light-Ignoring Infrared Active Motion Detector IR emitter circuit |
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Dark Activated
Switch LDR, pdf file |
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Dark
Activated Switch or Porch Light Switch This circuit will activate a relay
when light falls to a preset level. Light level can be adjusted with VR1 and the
relay contacts may be used to operate an external light or buzzer |
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Dark
Activated Switch This circuit will activate a relay when light falls to a
preset level. Light level can be adjusted with VR1 and the relay contacts may be
used to operate an external light or buzzer, ORP12 photocell |
| Dark activated relay There's two schematics, one for light activated relay and
one for dark activated relay. When the light / dark hits the sensor a relay will
be activated |
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Dark Sensitive Switch Dark Sensitive Switch is a simple project which
operates a relay when the light falling on the LDR goes below a set point, LDR, pdf file |
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Darkness
Controlled Light Switch Darkness Controlled Light Switch |
| Détecteur de lumière
1 en
Français |
| Détecteur de lumière
2 en
Français |
| Door
Minder This kit uses an infrared beam to monitor door & passageways or any
other area. When the beam is broken a relay is tripped which can be used to
sound a bell or alarm. Suitable for detecting customers entering a shop, cars
coming up a driveway, pdf file |
|
INFRARED PROXIMITY
DETECTOR pdf file |
| IR de
détection d'obstables en Français |
|
IR proximity detector pdf
file |
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Infrared circuits for remote control infrared remote control circuits using
a 32-56 kHz modulated square wave for communication |
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Infra/radio remote control transmitter/receiver a general purpose remote
control project with using programmable PIC microcontrollers |
| Infrared sensor
detects the move of the human being or the animal using the pyroelectric infrared sensor |
|
Infrared
Sensor Application Note Infrared Sensor Application Note, Single-Rail
Amplifier Circuit for Infrared Gas Sensors, pdf file |
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LED Photo Sensor the photo-voltaic voltage of an ordinary LED |
| LED photo sensors projects green LED's as solar sensor!!!!! |
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Light-Dark Sensor
Light-Dark Sensor width opamp 741 and LDR as sensor |
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Light detection
- alarm Detects very small amounts of light and sounds the piezo alarm, pdf
file |
| Light
detection circuit LDR, photocells |
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Light detector width FET Light detector width FET circuit |
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Light intensity sensor
TSL250 sensor circuit |
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Light Is On
When Power Is Out A loss of AC power during darkness (sensed by a
photoresistor) turns on an array of battery-powered white LEDs. To conserve
power, a timer turns off the LEDs after a particular period of time |
| Light
measurement Light intensity sensor, TSL250 sensor circuit |
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Light Pollution Meter
Light Pollution Meter, Notes on the design and construction of a visual
comparison photometer for measuring sky brightness and light pollution |
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Sensing
Light with a Programmable Gain Amplifier |
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Solar Cell
charges single NiCd AA cell Solar garden light - Solar Cell charges single
NiCd AA cell which runs LED via stepup converter when darkness falls |
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Solar sun tracker gif file |
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Solar sun tracker
Cadmium Sulfide Relay Tracker Schematic |
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Solar Tracker circuit Homemade Solar Tracker |
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Solar Tracker circuits |
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Solar
tracker circuit Schematic for Solar Collector Sun Tracking |
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Sun-Up Alarm
The Sun - Up Alarm can be used to provide a audible alarm for when the sun comes
up or it can be used in a dark area and detect when a light comes on. It can
also be used to detect a light beam, headlights etc, ..., Light intensity sensor,
Educypedia |
|
Sun-Up Alarm pdf
file |
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Visible and
Infrared Light Detectors Basic CdS Photocell Detector, Basic Phototransistor
Detector, Infrared Light Photo-Detector Circuit, Phototransistor Detector Relay
Driver |
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Wheel encoders |
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Horizontaal |
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Last updated on:
2008-09-26
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