Circuit Schematic Aircraft Hangar Fire Alarm System using Flame Detector and Arduino Uno

Eltronicschool. - It is very important to protect aircraft hangar from fire with give the fire alarm system when the fire detected by flame detector installed. There are many flame detector used in fire alarm system likenear IR array detector, ultraviolet detector, infrared (IR) detector, UV/IR detector, Infrared thermal cameras etc.

In here we will give you one circuit schematic connection from aircraft hangar fire alarm system using flame detector and Arduino Uno. The flame detector in this circuit, we used infrared (IR) detector and Arduino Uno to manage data from flame detector.

Circuit Schematic

Figure 1. Circuit schematic of aircraft hangar fire alarm system using flame detector and arduino uno (Source: https://circuitdigest.com/)

Component Part

1. Arduino Uno
2. IR based flame sensor module
3. Resistors
4. LED
5. Buzzer

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Aircraft Hangar Fire Alarm System using Flame Detector and Arduino Uno. Flame sensor module used to detect the light and op-amp to control the sensitivity of flame detection. In aircraft hangar, this flame sensor is used to detect fire and provide HIGH signal upon the detection. Arduino Uno is used to reads the signal and provides alert by turning on buzzer and LED.

Flame Sensor 

A flame detector is one of the sensor that designed to detect and respond the presence of a flame or fire. In this aircraft hangar fire alarm system we used IR flame detector based on the YG1006 sensor which is a high speed and high sensitive NPN silicon phototransistor. This sensor module can detect infrared light with a wavelength ranging from 700nm to 1000nm and its detection angle is about 60°.  

Image Courtesy of Circuitdigest

This sensor module consists of a photodiode (IR receiver), resistor, capacitor, potentiometer, and LM393 comparator in an integrated circuit. We can adjust the sensitivity by varying the on board potentiometer. We need voltage between 3.3v and 5v DC for this sensor, with a digital output. Logic high on the output indicates presence of flame or fire. Logic low on output indicates absence of flame or fire.

Working of Flame Sensor with Arduino

Arduino Uno is a open source microcontroller board based on ATmega328p microcontroller. It has 14 digital pins (out of which 6 pins can be used as PWM outputs), 6 analog inputs, on board voltage regulators etc. 

Image Courtesy of Circuitdigest

Arduino Uno has 32KB of flash memory, 2KB of SRAM and 1KB of EEPROM. It operates at the clock frequency of 16MHz. Arduino Uno supports Serial, I2C, SPI communication for communicating with other devices. The table below shows the technical specification of Arduino Uno.

Article Source:

https://circuitdigest.com/microcontroller-projects/arduino-flame-sensor-interfacing

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Circuit Schematic Non Contact AC Voltage Detector using NE555 IC

Eltronicschool. - This is one of the detector circuit schematic for you that show you with building NE555 IC look like in Figure 1 below. The main circuit schematic here is NE555 IC.

Beside we will give you the circuit schematic of Non Contact AC Voltage Detector using NE555 IC, we also will give you the description of this circuit easily.

Circuit Schematic

Figure 1. Circuit Schematic of Non Contact AC Voltage Detector using NE555 IC (Source: Circuitdiagram)

Component Part

1. NE555 IC
2. FET
3. Resistors
4. LED
5. Capacitors
6. Buzzer
7. Antenna

Description

Circuit schematic like in Figure 1 above is Non Contact AC Voltage Detector using NE555 IC. According Circuitdiagram site describe that this is a very easy useful project of a non contact AC voltage detector circuit. The circuit will blink an LED and make beep beep sound when it detects any AC field. The circuit can be used to check AC voltage in wires, switches, plugs, wall sockets, electronic devices etc. without making a direct contact.
It will also show the phase and neutral wire from the two AC wires by making beep and blink LED only on phase wire and being in off state on neutral wire.

The circuit is using a 555 timer IC, a 2N3819 FET (Field effect transistor) with some resistors and capacitors. The 2N3819 transistor is working as AC field detector and the beeper circuit is built around the 555 timer IC.

The circuit can be operated from 6 to 12 volt DC. If you are operating the circuit with lower voltage then change the LED current limiting resistor according to the operating voltage to brightly blink the LED. On six volt you can use a 270 ohms resistor, On 9 volts use 320 ohms and on 12 volt use 470 ohms. 

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Circuit Schematic Metal Detector using TDA0161 IC

Eltronicschool. - This is one application of TDA0161 IC to build metal detector for you who want to get useful with this circuit. It is very true that the main component in this circuit is TDA0161 IC beside the other component needed like inductor to sense the metal easily.

In here beside we will give you the circuit schematic of metal detector using TDA0161 IC, we also will give you the global description of this circuit like also component needed in this all circuit and the last we will give you the link to take read more from original source.

Circuit Schematic

Figure 1. Circuit Schematic Metal Detector using TDA0161 IC (Source: Electronichub.org)

Component Part

1. 1 x TDA0161 Proximity Detector IC
2. 2 x 47nF Capacitors (Ceramic Capacitor code 473)
3. 1 x 1 KΩ Resistor (1/4 Watt)
4. 1 x 330 Ω Resistor (1/4 Watt)
5. 1 x 100 Ω Resistor (1/4 Watt)
6. 1 x 5 KΩ Potentiometer
7. 1 x 2N2222A (NPN Transistor)
8. 1 x 5V Buzzer
9. Coil (copper wire of 26 – 30 AWG is taken and it is wound in to a coil of diamater 5 – 6 cm and 140 – 150 turns)
10. 1 x 220 Ω Resistor (1/4 Watt)
11. 1 x 5mm LED

Description

Circuit schematic like in Figure 1 above is Metal Detector using TDA0161 IC. This circuit is represent the one of the application of TDA0161 IC for you. Accordingly the Electronichub site that also published this circuit describe that TDA0161 Proximity Detector IC: TDA0161 is a Proximity Detector IC manufactured by STMicroelectronics. It can be used detect metal objects by detecting the slight changes in the high frequency Eddy current losses.

The TDA0161 IC acts as an oscillator with the help of externally tuned circuit. The changes in supply current will determine the output signal i.e. current is high when a metal object is near and it is low when there is no metal object.

TDA0161 has 8 pins and it comes in Dual in – line Package (DIP). The following image shows the pin diagram of TDA0161 IC.

NOTE: According to STMicroelectronics, TDA0161 Proximity Detector IC is obsolete. If it is available in the market, go ahead and make this fun project. If it isn’t available, try to find a replacement IC. We will try to update if any similar IC is available. If you find any Proximity Detector ICs, please mention it in the comments section. For more reading here.

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Circuit Schematic Elegant Bathroom Mirror Lights with Motion Detector PIR

Eltronicschool. - This is one application of PIR motion detector for mirror lights in elegant bathroom. With PIR we can design circuit schematic of Elegant Bathroom Mirror Lights with Motion Detector PIR easily.

In this time, based on PIR as audio amplifier IC, we will give you one of electronic circuit schematic of Elegant Bathroom Mirror Lights with Motion Detector PIR like in Figure 1. below.

Circuit Schematic

Figure 1. Circuit Schematic Elegant Bathroom Mirror Lights with Motion Detector PIR (Source: Electroschematics.com)

Component Part

1. PIR
2. Relay
3. Resistors
4. Transistor
5. Diode
6. Capacitors
7. 7805 IC
8. Fuse
9. Zener Diode

Description

Circuit schematic like in Figure 1 above is Elegant Bathroom Mirror Lights with Motion Detector PIR. the PIR motion detector might be tricky to implement. The light coming from the LED lightbulbs may mess with the ambient light sensor inside the motion detector module, and this may cause erroneous operation when the mirror is alive.

How it works

According Electroschematics site describe that the inspiration for this project came from the artwork shown here, prepared by my neighbor who is a carpenter. The project was nothing more than a bathroom washbasin mirror with a bunch of lamps around it. After some experiments with lightbulbs and rocker switches, I decided that it was a dangerous idea to have a rocker switch (made of obscure materials) connected to a fatal AC mains supply very close to my wife when her hands are soaked with water. However, I still cherished it, so to spice things up, I just revamped the concept and added some cool features.

The first part of the schematic is a transformer-less DC power supply for converting the 230-V AC input to about a 16-Vdc output. This DC output is used to power the rest of the electronics, excluding the motion sensor. The very popular, yet cheap, DYP-ME003 PIR sensor module is used here for the detection of human motion. Refer to its datasheet for technical specification, calibration information, etc. Because the module has a provision to attach one light-sensitive resistor (LDR/photoresistor/CdS cell), a 5-mm standard LDR is attached to the module after a minor mod. This drives the switch to be operational only when the detection area is sufficiently dark (the mirror lights up when one enters the darkened bathroom).

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Circuit Schematic Air Flow Detector using LM339 IC

Eltronicschool. - One the electronic detector circuit that will help you to create one airflow detector using the popular IC LM339 IC.

In this time, based on LM339 IC, we will give you one of electronic circuit schematic of Air Flow Detector using LM339 IC like in Figure 1. below.

Circuit Schematic

Figure 1. Circuit Schematic of Air Flow Detector using LM339 IC (Source: Circuitstoday)

Component Part

1. LM7805 IC
2. Variable Resistor
3. Resistors
4. LM339 IC
5. LEDs
6. Capacitors
7. Filament

Description

Circuit schematic like in Figure 1 above is Air Flow Detector using LM339 IC. this circuit can give a visual indication of the rate of air flow.It can be also used to check whether there is air flow in a given space.

How it works

According Circuitstoday site describe this circuit can give a visual indication of the rate of air flow.It can be also used to check whether there is air flow in a given space.

The filament of a incandescent bulb is the sensing part of the circuit.When there is no air flow the resistance of the filament will be low.When there is air flow the resistance drops , because the moving air will remove some of the heat generated in the filament.This variations in the resistance will produce variation of voltage across the filament.These variations will be picked up by the opamp (LM339) and the brightness of the LED at its output will be varied proportionally to the airflow.

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Circuit Schematic Compact Egg Candler using MAX1879 IC

Eltronicschool. - This is one electronic circuit that used for egg detector for you who need it. This circuit named with Circuit Schematic Compact Egg Candler using MAX1879 IC like in Figure 1. below.

Circuit schematic

Figure 1. Circuit Schematic Compact Egg Candler using MAX1879 IC (Source: Electroschematics)

Component Parts

1. Diode
2. LED
3. Resistors
4. Capacitors
5. MAX1879
6. FDC638P MOSFET
7. All components see in Figure 1 above

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Compact Egg Candler using MAX1879 IC. According Electroschematics site describe that the circuit has been kept very simple in the interest of reliability. The power supply for the circuit is provided by a 3.7-V Lithium-ion battery (BAT). The output of this battery is connected to a 5-mm, round, high-flux white LED (LED2) through a current clipper resistor (R2). A precision battery charger is also included for use with the battery. The charger circuitry, based on MAX1879 (IC1), is suitable for use with any standard 5-V USB power supply/smart phone travel charger. The MAX1879 single-cell lithium-ion battery charger chip (available in 8-pin μMAX package) utilizes an efficient pulse-charging architecture, which combines the efficiency of switch-mode chargers with the simplicity and low cost of linear chargers. The red LED (LED1) connected directly to pin 3 of MAX1879 works as a visible charge-status indicator. The FDC638P — PMOS FET (T1) in the circuit is either on or off, allowing the power source to be directly connected to the Li+ battery or completely disconnected. One reason the circuitry is so simple is because the charging current is set by the external (current-limited) power source, not by the MAX1879 chip! Read more here.

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Circuit Schematic Proximity Detector using CS209A IC

Eltronicschool. - There are many circuit schematic designed using proximity detector now. To use proximity detector, you must know special circuit schematic that can result this detector. And one circuit for proximity detector is using CS209A IC like in Figure 1 below.

• You also can read: Circuit Schematic 12V LDO Solar Charge Controller using MOSFET)

In here we will give you describe of Circuit Schematic Proximity Detector using CS209A IC. And the last we will give you link to you to read more this circuit and description from original source.

Circuit schematic

Figure 1. Circuit Schematic Proximity Detector using CS209A IC
(Source: Screenshot of Circuitstoday)

Component Parts

1. CS209A IC
2. Relay
3. Diode
4. Capacitors
5. Resistor
6. Inductor

Description

Circuit schematic like in figure 1 above is Circuit Schematic Proximity Detector using CS209A IC. According Circuitstoday site describe that this is a simple proximity detector using IC CS209. The CS209A is a bipolar monolithic integrated circuit for use in metal detection/proximity sensing applications.The CS209A contains an oscillator set up by an external parallel resonant tank and a feedback resistor connected between pin 2 & 3 .

The internal oscillator operates close to the resonant frequency of the tank circuit.As a metal object is brought close to the inductor, the amplitude of the voltage across the tank gradually begins to drop. When the envelope of the oscillation reaches a certain level, the IC causes the outputs to toggle states.potentiometer connected between pin 1 & 8 is adjusted to achieve a certain detection distance range. 

The larger the resistance the greater the trip-point distance.Detection range can be increased by using a high Q coil.Maximum possible range is 1 inch with a  well tuned  circuit.Only difficulty in making this  circuit is the tuning up the circuit to a particular range.For making it easy place a metal piece at the desired distance from coil (with in 1 inch) and adjust resistance Rf to make one of the outputs (  pin4 or 5) to change state..

And for more your information about Circuit Schematic Proximity Detector using CS209A IC you can read it fully from original source using link here.

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Circuit Schematic Night Security Light with Hacked PIR Sensor Type HC-SR501

Eltronicschool. - There are many circuit schematic designed special component sensor or detector for many security application. One application for night security light. In here we will give you specific circuit schematic using PIR sensor type HC-SR501 for Night Security Light like in Figure 1 below. (You also can read: Circuit Schematic 12V LDO Solar Charge Controller using MOSFET)

Circuit schematic

Figure 1. Circuit Schematic Night Security Light with Hacked PIR Sensor Type HC-SR501 (Electroschematics)

Component Parts

• HC-SR501 PIR Motion Detector Module – 1
• BS170 Mosfet – 1
• 1N4007 Diode – 4
• 3mm Red LED – 1
• 8mm White LED (generic) – 1
• 3mm/5mm Photodiode (generic) – 1 (see text)
• 47uF/16V Electrolytic Capacitor – 2
• Resistor 2K2 ¼ w – 1
• Resistor 100R ¼ w – 1
• Resistor 120K ¼ w – 1 (see text)
• 5V/100R SPDT Relay – 2
• On/Off Switch SPST/SPDT – 1

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Night Security Light with Hacked PIR Sensor Type HC-SR501. According Electroschematics site describe that security light circuit design is centered around an inexpensive passive infrared (PIR) motion detector module, type HC-SR501. The PIR motion detector module is used here with an added ambient light detection (day/night) feature, supported by a generic photodiode. Following part is prepared to help you get started with your new HC-SR501 passive infrared motion detector module, so let’s start.

Note that imparting the ambient light detection feature involves skillfully combining one photosensitive component and the motion detector electronics with a great deal of dexterity. First of all remove the fresnel lens, and search for the “LDR” pads located near the PIR sensor element. Next, attach a 5mm/3mm (generic) silicon photodiode with its anode (A) connected to pad-A, and cathode (K) connected to pad-K. Finally, add a 120K resistor in parallel with the 1M resistor (105) mounted near the “LDR” pads at the reverse side of the circuit board.

Please read more this Circuit Schematic Night Security Light with Hacked PIR Sensor Type HC-SR501 from original source using link [here]

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Circuit Schematic Ultrasonic Water Level Controller using 8051

Eltronicschool. - There are many application when we using ultrasonic system in electronic controlling. One application that will showing in this time is water level controller using ultrasonic module based on 8051. In here we will show you one of the electronic circuit schematic design for Ultrasonic Water Level Controller using 8051. One ultrasonic module that used in this application is HC-SR04 ultrasonic ranging module.

Circuit schematic

Figure 1. Circuit Schematic Ultrasonic Water Level Controller using 8051
(Source: Circuitstoday)

Component Parts

1. HC-SR04 ultrasonic ranging module
2. AT89S51
3. Trasistors
4. Capacitors
5. Resistors
6. X-Tal 12 MHz

Description

Circuit schematic like in figure 1 above is circuit schematic Ultrasonic Water Level Controller using 8051. A simple water level controller using ultrasonic  range finder module and 8051 microcontroller is discussed in this article.Many projects based on ultrasonic range finder and water level controllers have bee already discussed here. This is just another application of the ultrasonic ranging module. This water level controller can monitor and control water tanks up to 2m deep and the accuracy of measuring is as low as 1cm.  Since no mechanical float switches or electrodes are used here, there will not be any mechanical wearing or corrosion and this makes the system highly reliable. Any way proper care must be given to insulate the ultrasonic ranging module from damping as it contains a lot of electronics. 

And now you can read more about the circuit schematic working from HC-SR04 ultrasonic ranging module and you also can write the 8051 listing program of ulltrasonic Water Level Controller using 8051 using link here.

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Line Sensor as White Floor Detector for Fire Extinguisher Circuit Schematic

Eltronicschool. - When we build fire extinguisher robot, we also need white floor detector or line sensor when it's robot will run trough the line in the floor. So, in here we will show you one of the Line Sensor as White Floor Detector circuit schematic and also one circuit that show us about interface Line Sensor as White Floor Detector with microcontroller ATMEGA8535 for Fire Extinguisher like in figure 1 and figure 2 below.

Circuit Schematic

Figure 1. Line Sensor Circuit

Component List

1. See all component in figure 1
2. See all component in figure 2

Description

This line sensor is used to distinguish black or white color. The principle of this sensor is an infrared beam shooting (IR) to the area to be detected, if the color of the white area, most of the IR beam proficiency level will be reflected, whereas if the area is black light IR will be absorbed. Choice for this sensor is quite a lot of variation, eg create your own pair of LEDs with a photodiode in which LED's as a transmitter and a photodiode as a receiver or a combination of

LED with phototransistor, the same principle works with a combination fotodioda LED. This sensor should be installed at a distance of approximately 1 cm from the top floor in order to work properly. 

The fighting robot uses sensors to determine distance line maximum between the robot with fire source will fire when extinguish done. Using line sensor on the robot is combination of LEDs with photodiode, wherein the LED as a transmitter and photodiode as the receiver. This sensor interfacing with microcontroller using Port D.3. like figure 2 below.

Figure 2. Line Sensor Circuit with ATMEGA8535

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Hamamatsu UVTron Sensor Interfacing with Microcontroller Circuit Schematic

Eltronicschool. - After we give you information about flame detector using Hamamatsu UVTron sensor that can be used in fire extinguisher robot, in this time we will show you circuit schematic that will connecting or interfacing Hamamatsu UVTron sensor with microcontroller like in figure 1 below.

Circuit Schematic

Figure 1. Hamamatsu UVTron Sensor Interfacing with Microcontroller Circuit

Component List

1. Hamamatsu UVTron Sensor
2. Microcontroller ATMega 8535
3. Supported component like in figure 1 above

Description

When we design extinguisher robot, we can use Hamamatsu UVTron sensor with several reason as like Sensors have been sensitive to fire far more than 4 meters and has a C3704 drivers thus simplifying use. UVTron sensor has a sensitivity of about 900, with a range of angle of it then it will be difficult to determine the absolute position of the source fire. 

The technique used is to use protective thereby reducing the range of angles of UVTron so absolute position from sources of ignition can be known. UVTron sensors in applications requiring C3704 drivers for UVTron is working voltage of 350-400 Vdc, to get voltage of the source voltage of 12 volts required C3704 drivers. UVTron tube attached to the driver C3704 with foot rule longer an anode that is mounted on the driver with A sign, while the shorter leg is the cathode so that mounted on the driver with the sign of K like in figure 2 below.

Figure 2. UVTron Connected on the Driver C3704

Driver C3704 requires a voltage between 10-30 Vdc to operates, it is certainly difficult in robotic applications since the source voltage robots typically about 12 volts, the actual voltage of 10-30 Vdc was still regulated by the IC 7805 is in the driver to 5 Vdc, thus giving the driver voltage on C3704 can be converted into 5 Vdc by means of passing the regulator on C3704 drivers. regulators in C3704 driver has a sign ICI, on the sign there are 4 holes (3 holes used IC regulator) is O (output), G (ground), I (input), O (output). 4th hole marked with O unused so that it can used to input source voltage of 5 volts. Relationship voltage source C3704 driver is shown in Figure 3 below.

Figure 3. Installation with the Voltage Source C3704 Driver

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Temperature Sensor Using LM35 and ADC0804 Circuit Schematic for MCS51 Microcontroller

Eltronicschool. - There are many component that can be used as temperature sensor as like LM35. LM35 temperature sensor does not stand alone, but are usually equipped with such op-amp circuit with an adjustable amplification factor and its output is connected to the analog to digital converter circuit as like ADC0804.

In this time we will show you one circuit schematic of Temperature Sensor Using LM35 and ADC0804 that suitable for MCS51 Microcontroller as like AT89S51/52/53 and others.

Circuit Schematic

Figure 1. Temperature Sensor Using LM35 and ADC0804 (Source:http://telinks.wordpress.com)

Component List

1. Temperature Sensor LM35
2. ADC0804
3. LM358
4. All component please see in figure 1 above. 

Description

Circuit schematic like in figure 1 above is Temperature Sensor Using LM35 and ADC0804. According telinks blog describe that The circuit is designed to work on a scale ADC input voltage of 0-5V. The circuit is also equipped with a voltage regulator to input Vin (-) and Vref / 2 using LM317 IC, so it can adjust according to the resolution of the ADC input range there. 

ADC can be operated manually by giving signals START and wait for signals EOC (End-Of-Conversion), or operated in free-running mode (foot WR INTR connected to the foot). ADC0804 output is always open for RD leg connected to GND so that data conversion result is ready for collection. Legs CS is also connected to GND so ADC0804 is always ready to operate. Pretty good for the purposes of experimentation and application monitoring and controlling the temperature. Well, here is a series of schematic drawings.

Non-inverting amplifier circuit using LM358 penguaran by a factor of up to 6 times. To peregulasi input voltage Vin (-) and VREF / 2, is used to guarantee stability LM317 IC. ADC clock frequency formed by the R-10K and C-150pF is about 606kHz. For ease of interfacing, available data header header ADC0804 and ADC0804 control the legs WR and INTR. Legs WR and INTR can short if desired linked ADC0804 works free-running (convert input voltage continuously). 

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RPM Sensor Circuit Schematic For Robotics Using UGN3503

Eltronicschool. - Robotic can be completed with their own speedometer to know more about the speed when the robot run. To do this task you need RPM sensor now. And as we know that there are many RPM sensor module that offered to use that will connected to microcontroller. But in here we will offer you one circuit schematic for RPM Sensor module for robotic using UGN3503 that you can build by your self. And the detail circuit please see the figure 1 and figure 2 below.

Circuit Schematic

Figure 1. RPM Sensor Circuit using UGN3503 (Source: electroschematics)

Figure 1. UGN 3503 for RPM Sensor (Source: electroschematics)

Component List

From figure 1 above we can list the component as like:

1. Module UGN3503
2. IC LM358
3. R1 and R2 = 1K
4. P1 = 2K2
5. C1 = 100uF
6. C2 = 100nF
7. Led

Description

Circuit schematic like in figure 1 above is RPM Sensor Circuit Schematic For Robotics Using UGN3503 and figure 2 is UGN 3503 module for RPM sensor. According electroschematic blog describe that At the heart of this circuit is a Ratiometric Hall-Effect Sensor UGN3503. A Ratiometric Hall-Effect Sensor outputs an analog voltage proportional to the magnetic field intensity. It is one unipolar device operating at 5-volts. With no magnetic field applied the output is about one-half the supply voltage. 

The voltage will increase with the south magnetic pole on the face or decrease with the north magnetic pole on the face. UGN3503 includes a Hall sensing element, linear amplifier, and emitter-follower output stage. Problems associated with handling tiny analog signals are minimized by having the Hall cell and amplifier on a single chip.

The output null voltage (B = 0 G) is nominally one-half the supply voltage. A south magnetic pole, presented to the branded face of the Hall effect sensor will drive the output higher than the null voltage level. A north magnetic pole will drive the output below the null level. In operation,instantaneous and proportional output-voltage levels are dependent on magnetic flux density at the most sensitive area of the device.

In our RPM Sensor Module circuit, UGN3503 (H1) gives an output propotional to the magnetic field intensity, which is converted into logical pulses by the OpAmp LM358 (IC1). Sensitivity of IC1 can be adjusted using the 2K2 multi-turn preset potentiometer (P1). The 3mm Red LED (LED1) here works as a visual aid to indicate a highlevel (H) pulse output.

And for more information about RPM Sensor Circuit Schematic For Robotics Using UGN3503, you can visit to the main blog in electroschematic here.

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Solar Tracker System Circuit Schematic for Solar Panel Optimization

Eltronicschool. - To get optimize or maximum energy from the sun, the solar panel must optimize catch the sun light. In here we must need device that can automatically direct the solar panel to the sun to get maximum energy from the sun.

In here we will show you simple and easy circuit schematic for solar tracker system that used to optimize solar panel system energy. The circuit schematic like in figure 1 below.

Circuit Schematic

Figure 1. Solar Tracker System Schematic

Component List

1. Q1, Q2 = TIP31
2. Q3, Q4 = TIP32
3. D1        = IN4004

Description 

To know about the work of the circuit schematic of solar tracker system above like in figure 1 are The solar tracker circuit uses a window comparator to maintain the motor in a idle state as long as the two LDRs are under the same illumination level. In this case, half the voltage is applied to the non-inverting input of U1A and to the inverting input of U1A.

When the sun position is changing so does the illumination level on the LDRs and the input voltage for the window comparator is no longer half of the supply voltage thereby the output of the comparator generates information for the motor that rotates the panels for tracking the sun.

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Electronic Circuit Schematic Moving Sensor / Detector using IC NE555 and Phototransistor L14F

Eltronicschool. - One again electronic circuit schematic of electronic detector or sensor is moving sensor that very helpful to you to make detector or sensor for moving. And to know more Electronic Circuit Schematic Moving Sensor / Detector using IC NE555 and Phototransistor L14F you can see figure 1 below.

Circuit Schematic

Figure 1. Moving Sensor (Robometricschool)

Component List

You can see more all components that used in Moving Sensor / Detector Schematic Diagram using IC NE555 and Phototransistor L14F. Main component in this circuit is IC NE555, Led IR, Phototransistor L14F and IC LM1458.

Description

According robometricschool describe that Moving sensor / detector schematic diagram divided into two parts, there are transmitter and receiver. Transmitter part is the part that will send infra red data using IC NE555 and LED infra red. And in receiver part using photo-transistor L14F that will receive IR signal from LED IR in transmitter. Signal from photo-transistor will allowed through to IC LM1458 as signal conditioner.   

IC1 (NE 555) is an astable multivibrator which connect with IR LEDs produce infrared rays 5Khz. infrared rays will be received by the photo transistor Q1, if under normal conditions the output pin (7) of IC2 will be low (low). and if you are moving objects between the transmitter and the receiver on pin 7 of the IC 2 will be conditioned (high). bazzer bell circuit or can be connected to the output of IC 2 is to demonstrate the existence of this disorder. As note that POT R5 can be used for sensitivity adjustment.   

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Simple Circuit Low Battery Voltage Cutoff Or Disconnect using IC TL071

Eltronicschool. - There are many effort to make our recharging battery be powerful and have long live performance. One method to keep this desiring is with disconnect the battery from the load if battery is low level voltage or weak.

In here we must need the circuit electronic that can disconnect automatically the battery from the load that work efficiency and effective. One simple circuit low battery voltage that can cutoff or disconnect from the load that very useful is circuit schematic like in figure 1 below.

Circuit Schematic

Figure 1. Simple Circuit Low Battery Voltage Cutoff (Source: Circuitdiagram)

Component List

1. The main component is IC TL071
2. TR 2N3904
3. Zenner Diode 5.1V
4. Relay
5. Diode IN4007
6. Resistor

Performance 

Figure 1 above is Simple Circuit Low Battery Voltage Cutoff Or Disconnect using IC TL071. The circuit is very simple to build and using few components. The heart of the circuit is a TL071 operational amplifier IC that is connected in comparator mode here. The 10K variable resistor is used to adjust the desired voltage level on which you want to deactivate the relay or disconnect the load from the battery. A 2N3904 transistor is connected at the output of the IC to drive the relay. The 5.1V zener is used as a voltage reference.    

The circuit can be used with any type of batteries for example 12V, 9V, 6V, 5V etc. Only you have to change the 5.1V zener diode value according to the battery voltage type. For example if you want to use the circuit with 6V battery then simply change the zener diode value to 3.1V. 

So if you want to make the cutoff or disconnect low battery, we think you can use Simple Circuit Low Battery Voltage Cutoff Or Disconnect using IC TL071 like in figure 1 above easily.

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Simple Circuit Schematic Cell Phone Signal Detector using IC CA3140

Eltronicschool. - Sometime we need to detect a spy cell phone or also for finding the lost cell phone when the phone is on vibrate alert. In this condition we need tools or device that can do this work effectively. So, in this time we want to give you simple electronic circuit schematic that will help you to give you very sensitive long distance cell phone detector circuit that can detect the mobile phone signals from 30 to 40 feet away.

Circuit Schematic

Figure 1. Cell Phone Signal Detector Circuit (Circuitdiagrams)

Component List

1. Diode 1N34
2. R 1M
3. IC CA3140
4. R 1K2
5. R 470
6. LED
7. Q 2N4401
8. Peizo Buzzer

Description

Simple Circuit Schematic Cell Phone Signal Detector using IC CA3140 show in figure 1 above. Working of the circuit is simple, when we dial a number or send an SMS or MMS through our cell phone then our cell phone generate an RF signal to connect to its nearest cell phone tower, the two diodes shown in the circuit detects these RF signals which are amplified by the CA3140 IC. 

The output is fed to the transistor, which become switch on and activate the LED and the peizo buzzer. The operating voltage of the circuit is 9 to 12V DC but it can also be operated with 6 volt DC.  (Source:Circuitdiagram.org)

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