Schematics-Charging Battery Indicator

We will learn how to make Schematics-Charging Battery Indicator. is very easy, you can make it with the instructions that I will give below. Think not too clear on how to make this circuit is very simple and will not trouble you.



Battery-Charging Indicator Circuit Diagram
You should have some idea of the charging current. In case you use an adaptor which is adjustable but of the unregulated, low output current type, you can adjust the current by adjusting the output voltage.
You have to know if the current actually flows through the battery. A current-detecting indicator is therefore much to be preferred over a voltage indicator.
To prevent you from forgetting all about the charging cycle, the indicator should be visible from wherever you pass by frequently. Using the circuit shown here, the LED lights when the baseemitter potential of the transistor exceeds about 0.2 V. Using a resistor of 1 ? as suggested this happens at a current of about 200 mA, or about 40 mA if R1 is changed to 4.7?. The voltage drop caused by this indicator can never exceed the base-emitter voltage (UBE) of the transistor, or about 0.7V. Even if the current through R1 continues to increase beyond the level at which UBE = 0.7 V, the base of the transistor will 'absorb' the excess current. The TO-220 style BU406 transistor suggested here is capable of accepting base currents up to 4A. Using this charging indicator you have overcome the restrictions 2 and 3 mentioned above.

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Power Suply DC 1.5-3.5 Volt Scheme

The wonderful evening I will give tutorials schematics of power supply current 1.5 -35 volt DC voltage for you. May be useful to all of you who are want to learn to make this series.

Parts:

IC = LM317
P1 = 4.7K
R1 = 120R
C1 = 100nF - 63V
C2 = 1uF - 35V
C3 = 10uF - 35V
C4 = 2200uF - 35V
D1-D4 = 1N4007

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Features:

• Just add a suitable transformer (see table)
• Great to power your projects and save money on batteries
• Suitable as an adjustable power supply for experiments
• Control DC motors, low voltage light bulbs, …

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Specifications :

• Preset any voltage between 1.5 and 35V
• Very low ripple (80dB rejection)
• Short-circuit, thermal and overload protection
• Max input voltage : 28VAC or 40VDC
• Max dissipation : 15W (with heatsink)
• Dimensions : 52x52mm (2.1” x 2.1”)

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Technical Specifications

• Input Voltage = 40Vdc max Transformer
• Output Voltage = 1.5V to 35Vdc
• Output Current = 1.5 Amps max.
• Power Dissipation = 15W max (cooled)

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Rangkaian Pengisi Baterai 6V

Rangkaian Pengisi Baterai 6V

Automatic Lead Acid Battery Charger or more delicious called wet battery charger that automatically. This circuit can charge wet batteries and fully charge it after a series of "Automatic Lead Acid Battery Charger" will cut off charging current automatically. Automatic circuit Lead Acid Battery Charger is Relay as the current breaker. Automatic circuit Lead Acid Battery Charger can be used to fill the 12-volt batteries and 6 volt, depending on the setting of reference points and the election. Reading of the peak voltage (full charge) using a comparator which is on the IC NE555. Starter switch circuit has a charging that serves to initiate the process of charging the batteries.

Automatic circuit Lead Acid Battery Charger. Automatic circuit Lead Acid Battery Charger using Power Charge on a NPN transistor and limiting charging current A671 is R 27 Ohm. Voltage reference marker position of full charge is set with 2 pieces of variable resistor 22K and his election to the selector switch. The point of the selected switch is set to 14 Volts for Accu 12 Volt and 7.5 Volt to 6 volt batteries.

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Skema Rangkaian Power Supply Simetris Variabel LM317/337

Skema Rangkaian Power Supply Simetris Variabel LM317/337

Symmetrical Variable Power Supply LM317/337 is a series of power supply with output symmetrical with tgangan output that can be set (adjustment). Symmetrical Variable Power Supply Rangkiaan LM317/337 uses LM317 variable DC regulator to regulator positive and negative voltage regulator for variable voltage regulator negativenya LM37. Symmetrical Power Supply series LM317/337 Variables can be used to provide the source voltage with maximum current 1A. In the application field can be mounted voltmeters at each point its output to ease in setting the output voltage level circuit Symmetrical Variable Power Supply LM317/337 this. Following a series of Symmetrical Variable Power Supply LM317/337 in question.

Symmetrical Variable Power Supply series LM317/337. Symmetrical Power Supply series LM317/337 above variables using the input source voltage of 18V AC 18V CT transformer CT. To set a positive voltage level by adjusting the potentiometer can dilkakukan 25K at the LM317 regulator and to regulate the negative voltage level carried out by adjusting the potentiometer 25K at the LM337 negative voltage regulator.

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LM338 VARIABLE POWER SUPLY 1-32VOLT

This is adapted capricious ability power suply ambit based on Transistor LM338. Short ambit aegis added in this circuit.

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POWER SUPLY L200 VARIABLE DIAGRAM

This bargain capricious ability power suply ambit with L200. The achievement accepted is up to 2A and the achievement voltage depends to the achievement voltage from transformer. VR 47R acclimated for accepted acclimation and the VR10K acclimated for achievement voltage adjustment.

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CIRCUIT POWER SUPLY 20 AMP REGULATED

CIRCUIT POWER SUPLY 20 AMP REGULATED

Here the adapted ability POWER SUPLY ambit that will accord you accepted achievement up to 20A depends the cardinal of ability transistor acclimated in the circuit.

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VARIABLE POWER SUPLY 2N3055 DC

VARIABLE POWER SUPLY 2N3055 DC

This is capricious ability accumulation for multi purpose acceptance and actual advantageous to accumulation your cyberbanking accoutrement or your projects. Voltage ambit will be 0.7 - 24V and the urrent attached ambit is 50mA - 2A.

Components:

P1____________500R   Linear Potentiometer
P2_____________10K   Log. Potentiometer

R1,R2__________2K2  1/2W Resistors
R3____________330R   1/4W Resistor
R4____________150R   1/4W Resistor
R5______________1R     5W Resistor

C1__________3300µF   35V Electrolytic Capacitor (see Notes)
C2_____________1µF   63V Polyester Capacitor

D1,D2_______1N5402 200V 3A Diodes
D3____________5mm. Red LED

Q1___________BC182  50V 100mA NPN Transistor
Q2___________BD139  80V 1.5A  NPN Transistor
Q3___________BC212  50V 100mA PNP Transistor
Q4 _________2N3055  60V 15A   NPN Transistor

T1____________220V Primary, 36V Center-tapped Secondary
          50VA Mains transformer (see Notes)
PL1___________Male Mains plug
SW1___________SPST Mains switch

Notes:

• P1 sets the maximum output current you want to be delivered by the power supply at a given output voltage.
• P2 sets the output voltage and must be a logarithmic taper type, in order to obtain a more linear scale voltage indication.
• You can choose the Transformer on the grounds of maximum voltage and current output needed. Best choices are: 36, 40 or 48V center-tapped and 50, 75, 80 or 100VA.
• Capacitor C1 can be 2200 to 6800µF, 35 to 50V.
• Q4 must be mounted on a good heatsink in order to withstand sustained output short-circuit. In some cases the rear panel of the metal box in which you will enclose the circuit can do the job.
• The 2N3055 transistor (Q4) can be replaced with the slightly less powerful TIP3055 type.

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AJUSTABLE POWER SUPLY 3-30 VOLT CIRCUIT

AJUSTABLE POWER SUPLY 3-30 VOLT CIRCUIT

This is an adjustable ability accumulation circuit, additionally accepted as capricious ability supply. . You may use this ambit for accepted purpose usage.

Here the schematic diagram

Component list:

R1 = 560R 1/4W	C1 = 100nF
R2 = 1,2 K 1/4W	C2 = 2200uF 35-40V
R3 = 3,9 K 1/4W	C3 = 100 pF
R4 = 15K 1/4W	C4 = 100uF/ 35V
R5 = 0,15R 5W
D = B40 C3300/2200, 3A rectifier bridge
P1 = 10K potesiometer	TR1 = BD 135
IC = LM723	TR2 = 2N3055

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POWER SUPLY WITH uA723 CIRCUIT

The accumulation can be acclimated for accumulation achievement voltages from 1 to 35V. The band agent should be called to accord about 1.4 times the adapted achievement voltage from the positif ancillary of filted capacitor C1 to ground. Potensiometer R2 sets the achievement voltage to the adapted amount by adjusting the advertence input. Rsc is the accepted absolute set resistor.

For example, if the best accepted achievement is to be 1A, Rsc=0.65/1.0 = 0.65 Ohm. The 1KOhm resistor,R5, is a light-loaded resistor advised to advance the no-load adherence of the supply.

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STABILIZED POWER SUPLY FOR 5-18 VOLT

STABILIZED POWER SUPLY FOR 5-18 VOLT

This ability accumulation will accord you anchored adapted achievement at 5V, 6V, 9V and 12V, while the 18V achievement is unregulated. You could add some adapted IC like LM7815 or 7818 if you charge college achievement voltage.

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CIRCUIT POWERS SUPLY 2N3055

CIRCUIT POWERS SUPLY 2N3055

Component parts:

R1_________ 680 Ohm 1/4 Watt Resistor
C1_________ 20,000 - 50,000uF 20-40 Volt Capacitor
C2, C3_____ 100uF/50 Volt Capacitor
C4_________ 0.1uF 50 Volt Capacitor
C5_________ 0.01uF 50 Volt Capacitor
D1_________ Zener Diode
Q1_________ 2N3055 Or Other
T1_________ Transformer
BR1________ Bridge Rectifier
S1_________ SPST 250 VAC 10 A Switch
MISC_______ Case, Line Cord, Heatsink For Q1, Binding Posts For 

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POWER SUPLY CIRCUIT DIAGRAM

The ambit is based about the 7805 voltage regulator. It has alone 3 access (input, achievement and ground) and it provides a anchored output. The aftermost two digits of the allotment cardinal specify the achievement voltage, eg. 05, 06, 08, 10, 12, 15, 18, or 24. The 7800 alternation provides up to 1 amp amount accepted and has on-chip dent to shut bottomward the regulator (rather than alarming out) if any attack is fabricated to accomplish it alfresco its safe operating area. (If this happens to you, let the dent air-conditioned bottomward & attach the heatsink.)

It can be apparent that there are in actuality two abstracted circuits in this ability supply. One 7805 is anon affiliated as a anchored 5V regulator. The additional 7805 has a resistor affiliate arrangement on the output. A capricious 500R potentiometer is acclimated to alter the achievement voltage from a minimum of 5V up to the best DC voltage depending on the ascribe voltage. It will be about 2V beneath the ascribe DC voltage.)

The capacitor beyond the achievement improves brief response. The ample capacitor beyond the ascribe is a clarify capacitor to advice bland out ripple in the rectified AC voltage. The beyond the clarify capacitor the lower the ripple.

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SKEMA CONVERTER DC TO DC MULTY OUT PUT

This circuit will convert DC volt input +9 to +16 DC Volt.
Output will be:
+28V DC
+15V DC
-5V DC
-12V DC

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SKEMA POWER SUPLY LOW RIPLE

This ambit can be acclimated area a aerial accepted is appropriate with a low-ripple voltage (such as in a activating chic AB amplifier back high-quality reproduction is necessary). Q1, Q1 and R2 can be admired as a ability Darlington transistor. ZD1 and R1 accommodate a advertence voltage at the abject of Q1. ZD1 should be called thus: ZD1=Vout-1.2 . C2 can be called for the amount of accuracy as its amount is finer assorted by the accumulated assets of Q1/Q2, if 100uF is called for C2, bold minimum hfe for Q1 and Q2, C=100x15(Q1)x25(Q2)=37,000uF.

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Power supply berbasis mikrokontroler atmega 8535 dengan menggunakan keypad

Power supply based mikrokontroler atmega 8535 with used keypad

Digital Blue Clock

This is Atmel Atmega8535 microcontroller based digital bule clock project.The main idea behind this project was to make Christmas gifts for friends and family that would be somewhat useful. A clock was chosen simply because it is something that everyone uses and it would be relatively easy to complete. Also, a big limiting factor was the project was started only 40 days before Christmas

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