Schematic Rise

Sleeping Aid Circuit diagram :




Many individuals knowledgeable slumbering properly inside normal area, in to a covering or even a solid wood hut. This kind of simple truth is credited not merely for the healthful ambiance but in addition coming from our own subconscious power to understand normal Earths magnetic-fields. The particular routine produces this sort of Geo-magnetic-fields and also lets us understand these: this way our own human brain will be ornamented simply by a great surroundings to get a appear slumber. (In. T. Simple tips because of this routine are usually via In german paperwork).

IC2C and also IC2D create a couple of rectangular ocean with concerning 1. a couple of and also 5 Hz respectively. These kinds of wave-forms are usually became 60µS pulses on the identical frequencies through C5 & C6 and also blended with Q1 Foundation. This kind of transistor pushes the particular Radiator coil nailers using a scalar group of pulses regarding 60µS size and also 9V amplitude. IC1, IC2A & IC2B kind the particular timer part.

C1 & R2 offer auto-reset regarding IC1 with switch-on. The inner oscillator regarding IC1 pushes the particular 18 period ripple countertop and also, right after concerning a quarter-hour, end result flag 1 should go large. Flag 3 regarding IC2A should go lower and also prevents IC2C & IC2D oscillation. When SW2 will be still left available (Different function functioning), right after a quarter-hour flag 1 regarding IC1 should go lower, flag 3 regarding IC2A should go large and also oscillators are usually empowered once more.

When SW2 will be sealed (Quit function functioning), initially end result flag 1 regarding IC1 should go large, the inner oscillator with the IC will be impaired through D1. Which means routine stays away from right up until any reset to zero heart beat will be placed on flag 12 through P1 or perhaps if the complete system will be switched-off and restarted. A similar thing takes place any time SW1 will be switched on 25 or perhaps 58 moments opportunities, clearly transforming moment size.

IC2B drives pilot LED D2 which operates in the following three modes:

• flashes quickly and almost randomly when the Radiator coil is driven
• flashes somewhat slowly and regularly when the Radiator coil is pausing during the Alternate mode operation
• is off when the circuit auto-stops (Stop mode operation)

Parts:

R1 = 1K 1/4W Resistors
R2 = 10K 1/4W Resistor
R3 = 10M 1/4W Resistors
R4 = 2M2 1/4W Resistors
R5 = 1K 1/4W Resistors
R6 = 10M 1/4W Resistors
R7 = 2M2 1/4W Resistors
R8 = 4K7 1/4W Resistors
R9 = 4K7 1/4W Resistors
C1 = 47µF 25V Electrolytic Capacitors
C2 = 100nF 63V Polyester Capacitor
C3 = 330nF 63V Polyester Capacitors
C4 = 330nF 63V Polyester Capacitors
C5 = 15nF 63V Polyester Capacitors
C6 = 15nF 63V Polyester Capacitors
C7 = 47µF 25V Electrolytic Capacitors
D1 = 1N4148 75V 150mA Diodes
D2 = LED (any type) (see Notes)
D3 = 1N4148 75V 150mA Diodes
D4 = 1N4148 75V 150mA Diodes
D5 = 1N4148 75V 150mA Diodes
IC1 = 4060 14 stage ripple counter and oscillator IC
IC2 = 4093 Quad 2 input Schmitt NAND Gate IC
Q1 = BC327 45V 800mA PNP Transistor
L1 = Radiator coil (see Notes)
P1 = SPST Pushbutton
SW1 = 2 poles 4 ways rotary switch
SW2 = SPST Slider Switch
B1 = 9V PP3 Battery, Clip for PP3 Battery

Features:

• Generates a natural electromagnetic-field
• Makes easier to fall asleep
• Induces a prolonged and sound sleep without drugs
• No side effects

Use of this circuit:

• Select a timing option by means of the rotary switch SW1.
• Choose 15, 30 or 60 minutes operation.
• Select "Stop" or "Alternate" mode operation by means of SW2.
• With SW2 closed (Stop mode operation) the electromagnetic radiation stops after the pre-set time is elapsed.
• With SW2 opened (Alternate mode operation) the device operates for the pre-set time, then pauses for the same amount of time: this cycle repeats indefinitely.
• Place the unit under the pillow and sleep like a log.
• To reset a cycle press P1 pushbutton.

Notes:

• L1 is obtained by winding randomly 600 turns of 0.2 mm. enameled wire on a 6 mm. diameter, 40 mm. long, steel bolt. Secure the winding with insulating tape.
• Mean current drawing is about 7mA, decreasing to less than 4mA during pauses when in Alternate mode operation.
• Battery life can be dramatically increased omitting LED D2 and its associated resistor R5.
• Use a plastic box to enclose the circuit: metal cases can severely limit electromagnetic radiation.

Circuit amplifier "High Power HiFi Power Amplifier With MOSFET" is capable of giving the output power to the load speakers 240Watt and 380Watt 8Ohm to load 4Ohm speakers.

Voltage source to a series of power amplifiers "High Power HiFi Power Amplifier With MOSFET" This is a CT 25V 50V 25V to 50V CT of transformer CT. In making this power amplifier needs to be installed heatsinks on the power amplifier (MOSFET) in order to avoid excessive heat. The series of power supply to power amplifer can use the transformer 5A-20A and 35A mounted diode bridge and capacitors for a minimum of 2x 10.000uF electrolit. Details for the power amplifier circuit can be seen in the following figure.

Digital Control System is a branch of the control system with continuous time processes in the region associated with the digital controller as the controller of the control elements that control systems and computing discrete time. Depending on requirements, a digital controller can be shaped microcontroller and ASIC to a standard desktop computer. Because the digital computer system is discrete, then the Laplace transform is used in the control system is replaced with the Z-transform. Therefore, you must understand about the concept of continuous time and discrete time concept.

Digital computer also has a limited precision (See quantization) extra care needed to ensure that errors in the coefficients, A / D conversion, D / A conversion, etc. do not produce unwanted effects or planned.

The application of digital control can easily be done when used in a feedback form. Since the creation of the first digital computer in the early 1940s the price of digital computers has dropped significantly. The reason this is one of the many reasons for the application of digital control systems for the control of the control system. Other reasons:

Flexibile: easy to configure and reconfigure through software

* Scalable: can be set up programs tailored to the limits of memory or storage space at no extra cost

* Adaptable: program parameters can be changed with the times

* Static operation: digital computers are much more susceptible to environmental conditions rather than of capacitors and inductors

Fire alarm can be made with a light sensor (LDR) as in the article with the title of Fire Alarm with this LDR sensor. Principles of fire detection Fire Alarm with LDR sensor is to detect the presence of smoke through the LDR. LDR in the series Fire Alarm does not stand alone in detecting a fire, but the LDR in the pair with the light shining on the LDR.

Hence, in the detected smoke from the fire then the intensity of light received by the LDR LDR decreases and eventually trigger an alarm system on a series of Fire Alarm with this LDR sensor. Part 2 that in the series of Fire Alarm with Sensor LDR are some of the sensors, tone generator, audio power.

Image Series Fire Alarm with Sensor LDR

Function Section of the Fire Alarm with Sensor LDR

Part of LDR and light sensor facing to fire smoke detection

Part trigger using transistors and regulators as a trigger tone generator 7805

Tone generator section with IC UM66

Power audio section uses an audio power IC TDA 2002 which is equipped with voleme control (R3)

Odd Block KT88 Series 1 Tube Amp-Power Supply

- Made of electrolyte, Aluminum electrodes are used by using a thin oxidation membrane

- Polarized capacitor

- Cheap, readily available, good for storage of charge (energy) availablein very small or very large values in μF- Not very accurate, marginal electrical properties, leakage, drifting, not suitable for use in hf circuits

- Made of Tantalum Pentoxide. They are electrolytic capacitors butused with a material called tantalum for the electrodes. Superior to electrolytic capacitors

- Nonpolarized capacitor

- Excellent temperature and frequency characteristics,lack of current-spike-noise. Small size fits anywhere, reliable, most common values readily available.

- Expensive, easily damaged by spikes

- This capacitor uses a thin polyester film as a dielectric.

- Nonpolarized capacitor

- Not as high a tolerance as polypropylene, cheap, temperature stable,readily available, widely used. Tolerance is approx 5% to 10%.

- Can be quite large depending on capacity or rated voltage and so may not be suitable for all applications.

- This capacitor uses polypropylene film is the dielectric.

- Nonpolarized capacitor

- Very little change in capacitance when these capacitors are used in applications within frequency range 100KHz. Tolerance is about 1%

- higher tolerance is needed then polyester caps can offer . Very small values are available.

- Dielectric made of Polyester or DuPont trade name "Mylar".

- Nonpolarized capacitor

- Good quality, low drift, temperature stable. Because the electrodesare thin they can be made very very small. Good all-round capacitor.

- Manufactured using an epoxy dipped polymers as a protective coating.

- Nonpolarized capacitor

- Widely available, stable, cheap.

- large depending on capacity or rated voltage and so may not be suitable for all applications.

- Constructed with materials such as titanium acid barium for dielectric. Internally these capacitors are not constructed as a coil

- Nonpolarized capacitor

- Well suited for use in high frequency applications. Typically used to by

-pass high frequency signals to ground. They are shaped like a disk, available in very smallcapacitance values and very small sizes. ,very small size and value, very cheap, reliable

- Together with the electrolytics the most widely available and used capacitor around. Subject to drifting depending on ambient temperature.

- Dielectric is made up of many layers.

- Nonpolarized capacitor

- Small in size, very good temperature stability, excellent frequency stable characteristics. Multilayer caps suffer from high-Q internal (parallel) resonances

- generally in the VHF range. The CK05 style 0.1μF/50V caps for example resonate around 30MHz. The effectof this resonance is effectively no apparent capacitance near the resonant frequency.As with all ceramic capacitors, be careful bending the legs or spreading them apart to closeto the disc body or they may get damaged.

Assemble steps to Breadboard: