Wiring circuit

Showing posts with label 12. Show all posts

Friday, October 24, 2014

12 Volt DC Power Suplly Adaptor

This series of images you can apply to make an adapter or power suplly with the output voltage (V DC output 12V). Power supply in the only protected by a capacitor as a safety if the power supply is connected to the load on the circuit.

So I recommend using 35V capacitor with a minimum specification. The security of power supply to power the more we can menggunakkan transistor TIP, but I have not discussed it. To the diode bridge can be compiled from the 4 then you solder the diode bridge rectifier into one or you can buy a bridge rectifier so that the comb-shaped (sideways) or the box. At least I would suggest using a diode bridge 1 Ampere, in a series of adapters, the bigger the better course of ampere diode current in the circuit. Diodes like toll roads, and current as a car passing by. The larger and the width of the existing highway, the faster the flow of runs and through the circuit.

For the circuit power supply 5 V, you can change the volt regulator on the type 7805 and 7905. This application applies equally in this series. For variations such as fuse or circuit switch on / off you can try it yourself.

Transformer 18 V + - 1 A minimum CT

Minimum of 35 V + Capacitor

Thursday, October 23, 2014

1 3V DC to 12 2V DC Regulator Power Supply

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A current.
In addition, the power supply circuit is also equipped with over-current protection or shield against belebih flow. Power supply circuit is very simple, but the quality is quite good, made her basiskan regulator IC LM723 is a pretty legendary.

Description:

R2 to set the output voltage. The maximum current is determined by R3, over-current protection circuit inside the LM723 to detect the voltage on R3, if it reaches 0.65 V, the voltage output will be off her. So the current through R3 can not exceed 0.65 / R3 although output short-circuit in his.

C3 and C4 are ceramic capacitors, as much as possible directly soldered to the PCB, this is because the LM723 is prone to oscillation that is not cool.

LM723 works with 9.5V input voltage to 40 V DC and the LM723 can generate its own current of 150mA when the output voltage is not more than 6-7V under input voltage.

Specifications:

Output (value estimated):

Vmin = (R4 + R5) / (R5 * 1.3)
Vmax = (7.15 / R5) * (R4 + R5)
Imax = 0.65/R3
Max. Power on R3: 0.42/R3
Min. DC Input Voltage (pin 12 to pin 7): Vmax + 5

Component List:

B1 40V/2.5A
C1 2200uF (3300uF even better)
C2 4.7uF
C3 100nF
C4 1NF
C5 330nF
C6 100uF
Green LED D1
D2 1N4003
F1 0.2A F
F2 2A M
IC1 LM723 (in a DIL14 plastic package)
R1 1k
R2 Pot. 5k
R3 0.56R/2W
R4 3.3k
R5 4.7k
S1 250V/1A
T1 2N3055 on a heatsink 5K / W
TR1 220V/17V/1.5

Thursday, October 16, 2014

Simple 500W Inverter 12 Volt to 220 Volt Circuit Diagram

This is the Simple 500W Inverter 12 Volt to 220 Volt Circuit Diagram about the the inverter, because like working outdoors, or to backup storage to use when necessary. Most of this is circuit low power, which is not suitable for practical applications. My friends said that he would be about 500 Watt. It is a good size. Use with television receivers and light bulbs as well. When looking for circuit. I get headaches.

500W Inverter 12 Volt to 220 Volt Circuit Diagram

If you are a beginner or I can not buy expensive good quality circuits. Requires only one transistor. Or if you have free time. I want to build old circuit is alive again. This circuit will accommodate all your needs. It is a simple circuit. The same principle, I take battery voltage 12V to produce a oscillator about 100 Hz and pass to a two frequency divider circuit is only 50HZ. and drive a 10 ampere transformer with 10 x 2N3055 transistor in parallel.

By a single transistor has 2A, when I use 10 transistors or 5 pairs of drive high current output. The complexity of circuit, but the principle is not it, and it is the number of transistors on a basic, easy to buy. You may be modified 100 watt power inverter To the size of transistors and transformers as well.

Note:

If you think that This circuit is not good enough. For your work. It is hard to find equipment. You do not have it now. These circuits may be viewed below. It may be appropriate for you.

Source: leksound project

Tuesday, September 16, 2014

12 VDC to 120 VAC Inverter Circuit

Ever bare a low ability 120volt AC ability antecedent for your car, van or truck? Well this ambit should do the ambush for you. It will accumulation 15 watts of AC ability to a device. It should ability lamps, shavers, baby stereos and baby appliances. If you draw to abundant ability the ambit will shut bottomward all by itself. The achievement of this ambit is a aboveboard beachcomber so there may be some apparent hum on audio units acquainted into it. To abate some of the hum access the amount of the achievement capacitor which is at .47uf now. That transistor in the ambit are aerial ability PNP transistors. Radio Shack allotment cardinal 276-2025 are acceptable ones to use or TIP32. The agent is a 24 volt 2 amp centermost broke accessory Radio Shack allotment cardinal 273-1512 or equivalent.

Saturday, September 13, 2014

Ni Cd Battery Charger 12 18V Wiring diagram Schematic

Build a Ni-Cd Battery Charger 12-18V Circuit Diagram. A clever charger schema that safely can charge any Ni-Cd battery. Offers charge current selection, polarization detection and protection and the ability to connect many batterys in series.

Ni-Cd Battery Charger 12-18V Circuit Diagram

Ni-Cd batteries can be recharged more than 1000 times before become useless. the charging current should be the 1/10 of the (Ah) of the battery. The batteries need 14 hours to be fully charged.. Switch S2 is the current selection as follows: 50mA, 200mA and 400mA. LED D10 is the indicator for proper battery connection and/or wrong polarity checking. LED D9 is the charging indicator. The transformer is a 220V/2x12V 0.5A.

PARTS:

R1,R4,R5=10K

R2,R3=100K

R6,R8,R10=1K

R7=820

R9=100

R11=15

R12=3,9

R13=1,8

C1=1000uF/40v

C2=470pf

D1-D4,D6=1n4001-7

D7,D8=1n4148

D9,D10=LED

IC=741

TR1=BC548

TR2=BD137

TR3=2N3055

Simple LT3582 12 DC 5V to 12V DC Converter

Using LT3582-12 dual channel DC DC converter integrated schema, manufactured by Linear Technology, can be designed a very simple step up dc converter. This 5 to 12V c converter electronic project provide both positive and negative outputs required in many biasing applications such as active matrix OLED (organic light-emitting diode)displays as well as CCD (charge coupled device) applications.

Simple LT3582-12 DC 5V to 12V DC Converter Circuit Diagram

Friday, September 12, 2014

6 12 Volt audio amplifier circuits

The above is an amplifier circuit using supply voltages from 6 volts DC to 12 Volt DC. Power output of the amplifier is quite low with only 1 Watt 8 ohm impedance. You can apply this to the audio signal amplifiers that require strengthening are not so large as in the pocket radio.

Part List :
R1 = 100K
R2 = 39R
R3 = 100R
C1 = 100nF
C2 = 100uF
C3 = 100uF
C4 = 100uF
C5 = 470uF
C6 = 100nF
C7 = 68pF
C8 = 1nF
C9 = 47uF
IC = SFC2790C

Monday, September 1, 2014

Power Supply Variable 1 3V 12 2V 1A Circuit

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A current.

Sunday, August 31, 2014

12 V battery charger with PUT

A short-circuit proof battery charger will provide an average charging current of about 8A to a 12V lead-acid storage battery. The Charger circuit has an additional advantage, it will not function nor will it be damaged by improperly connecting the battery to the circuit. With 220V at the input , the circuit comences to function when the battery is properly attached.
The battery provides the current to charge the timing capacitor C1 used in the PUT relaxation oscillator.When C1 charges to the peak point voltage the PUT , the PUT fires turning the SCR on , which in turn applies charging current to the battery. As the battery charges , the battery voltage increases slightly which increases the peak point voltage of the PUT. The voltage on C1 increases until the zener voltage of D1 is reached , which clamps the voltage on C1 , and thus prevents the PUT oscillator from oscillating and charging ceases. The maximum battery voltage is set by potentiometer R2 which sets the peak point firing voltage pf the PUT . In the circuit shown , the charging voltage can be set from 10 V to 14 V - the Lower limit being set by D1 and the upper limit by T1.

Part List :

Resistor

R1 = 10K

R2 = 50K trim

R3 = 47K

R4 = 1K

Capacitor

C1 = 0.1uF

Diode , SCR , PUT

B1 = MDA990-1

D1 = 1N5240 10V

SCR = 2N5164

PUT = MPU131

Transformer , Inductor

T1 = Stepdown 220V to 14V

T2 = 11Z12 1:1

Wednesday, August 27, 2014

Simple 12 Vdc 120 Vac Inverter Circiut

An Inverter is a device that converts 12 volts d.c to 120 volts a.c. , which is what we use in our homes. This project will handle about 300 watts, which is perfect for lights, small T.V.s and radio equipment.

This Inverter takes 12 volt d.c and steps it up to 120 volt a.c. The wattage depends on which transistors you use for Q1 and Q2, as well as the "Amp Rating" of the transformer you use for T1. This inverter can be constructed to supply anywhere from 1 to 1000 (1 KW) watts. If Q1, Q2 are 2N3055 NPN Transistors and T1 is a 15 A transformer, then the inverter will supply about 300 watts. Larger transformers and more powerful transistors can be substituted for T1, Q1 and Q2 for more power. Note: Dont try to run inductive loads (motors...) off this inverter.

12 Vdc - 120 Vac Inverter Circuit Diagram

Parts:

C1, C2        68 uf, 25 V Tantalum Capacitor
R1, R2        10 Ohm, 5 Watt Resistor
R3, R4        180 Ohm, 1 Watt Resistor
D1, D2        HEP 154 Silicon Diode
Q1, Q2        2N3055 NPN Transistor (see "Notes")
T1        24V, Center Tapped Transformer
Misc.        Wire, Case, Receptacle (for output)
       Fuses, Heatsinks, etc.

Caution:This schema can cause serious injury or death. Keep away from children. Source Link