Light Sensing Circuits
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The following circuit shows about CD4017 IC For Automatic Room Lights Sensor Circuit Diagram. Features: has only one light sensor, using two LDRs .... -
This circuit shows about Ne7555 Timer For Light Sensitive Alarm Sensor Circuit Diagram. Features: detects a sudden shadow falling on the .... -
The NCP5810D is a dual ’output DC/DC converter which CAN generate both a positive and a negative voltage. The device is optimized for powering modules such as AMOLED Display drivers where very good output voltage accuracy and regulation, signal integrity and.... -
A bright lamp flashes in sychrony with the lightning bolts indicating the proximity and intensity of the storm.... -
This handy little circuit can tell the difference between darkness and light, making it very useful for switching on and off signs, porch lights or other things when it gets dark or light... -
Sense the amount of ambient light and switch the lights on when it was dark out. I was successful in building one on a bread board that used an lm324 (its the only comparator radioshack had) some resistors a trimmer resistor and a photocell. So I went and.... -
This Super Light Sensor responds to minute fluctuations in light level, auto-adjusting over the range from about 200 lux up to 60, 000 lux (ie, from a modestly lit room to direct sunlight). It has lots of potential uses eg, detecting a car entering a.... -
With IC SLB0586A from Siemens you can build a simple touch light dimmer circuit that will allow you to adjust the lamp intensity. Together with a TIC206D.... -
This circuit shows how to use an ordinary LED as a light sensor. It makes use of the photovoltaic voltage developed across the LED when it is exposed to l.... -
This ice warning and lights reminder electronic project circuit diagram will tell a driver if his lights should be on and will warn him if the outside temperature is nearing zero by lighting a LED and sounding a buzzer. Using the VR1 you can adjusts.... -
This light alarm schematic circuit is designed using some common electronic parts, as you can see in the circuit diagram bellow. This light alarm schematic circuit project will sound as soon as the drawer is opened and light falls on the Darlington.... -
This Light Dark switch activated relay circuits schematics are the simplest electronic circuits that can help you to activate other electronic device at the light or dark. This Light Dark switch activated relay circuits are very simple and require one.... -
If you are looking for a digital light sensor that is able to measure the intensity of light and easy interface with a microcontroller, Intersil ISL29001 is one such device .. -
Electronics Tutorial about Light Sensor including Photocells, LDR, Photodiodes, Phototransistors, Photovoltaic Cells and Light Dependent Resistor.... -
I have put all the components on the PCB, now i dont know anything about relays, so i`m having trouble connecting the power and the load?.... -
This DIY lightning detector circuit is a very sensitive static electricity detector that can provide an early warning of approaching storms from inter-cloud discharge well before an earth-to-sky return strike takes place. An aerial (antenna) formed of a.... -
Install the PIR module hanging from a 3 metre high mast (to cover 10 metre radius area) and connect its supply and relay terminals to our finished and enclosed circuit, observing right polarity. A 4-core screened cable can be used for this interconnection..... -
Moderately priced Passive Infrared PIR Sensor modules are now widely available. By using these readymade and pre-configured PIR sensors, even an average el.... -
This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain period of time. From the moment that T4 and T5 are opened, relay`s LED start to light and powers the.... -
This is a simple update to Mr. Hareendran`s PIR Sensor Security Light circuit. It has a shortcoming limits the relay voltage to approximately 3. 3V. While this may function with some 5V relays, it will not function with all. The nature of an emitter follower.... -
Here is one simple circuit of a general-purpose white LED security light with Passive Infrared (PIR) Motion sensing mechanism. At the heart of the circuit is a PIR sensor module SB0061. SB0061 is a pyroelectric sensor module which developed for human body.... -
Light Sensitive Staircase Switch with Triac , Operation of the third circuit is much similar except that it has photo sensitivity. The circuit is shown in Schematic When there is no sufficient l.... -
For several years now, a rear fog lamp has been mandatory for trailers and caravans in order to improve visibility under foggy conditions. When this fog lamp is switched on, the fog lamp of the pulling vehicle must be switched of to avoid irritating.... -
The 555 is proved to be the most versatile and ubiquitous IC all over the world.This is a possible use: simple inverting schmitt trigger.... -
Voltage regulator ICs (78xx series) provide a steady output voltage, as against a widely fluctuating input supply, when the common terminal is grounded. Any voltage about zero volt (ground) connected in the common terminal is added to the output voltage..... -
The circuit can be divided into inverter and charger sections. The inverter section is built around timer NE555, while the charger section is built around 3-terminal adjustable regulator LM317. In the inverter section, NE555 is wired as an astable.... -
Sure, listening to VHF FM has great advantages over MW/LW AM from the old days now we have bright stereo free from interference, fading and noise! However, your FM radio will no longer predict the arrival of a thunderstorm as did the AM radio many years.... -
Circuit bellow shows about LM741 IC for Light Dark Sensor Circuit diagram. This circuit have a many features, among others: 1 Watt LED spotlight, advantageous and able in a advanced ambit of renewable activity projects from automated lighting to aegis.... -
The schematic diagram for the circuit is given in the picture above. Like its name suggests, a comparator compares two given voltages. The pair of 1K....
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
This fixed frequency triangular waveform generator driven by a TTL square wave generates...
Long range, very stable, harmonic free, FM transmitter circuit which can be used for FM...
Have finished documenting/cleaning the code for my Jaycar el-cheapo Thermor/BIOS branded...
The article describes a simple method of making an incremental LED bar graph by using the IC...
We use the L293D H-Bridge to operate a 12VDC motor with the Arduino. This H-Bridge allows us to...
This amplifier is the outdoor type, line installed outdoors, the amp`s main line; Figure 2 is the...
A low cost high performance programmable home security system using few LDR`s as an input...
A common-base Colpitts oscillator using a pnp transistor as the amplifying device. Notice in this...
Electronic ignition circuit for the water heater is shown. When you open the faucet, switch K 3V...