Electronics Help Care Amplifier circuit diagram

mini amplifier circuit board : This is 5 voltage mini amplifier circuit board . this is a stereo amplifier. here used 2 LM386 Ic for 2 sides. Right side for one IC and left side for one IC. This circuit run from 4 voltage to 18 voltage. can get 0.20 …

mini audio amplifier circuit diagram: This is a mini audio amplifier circuit diagram. this amplifier runs from 4 voltage to 18 voltage. we usually use 5 voltage. here used LM386 IC. This is a low-voltage audio amplifier. we can get 0.25 to 1 watt depending on the power supply.  On …

amplifier circuit board using 12 volts: This is an amplifier circuit board using 12 volts. it’s an easy circuit. this circuit can make 10 watts like that. this circuit is for learning people only. here used 3 transistors. 2 transistors for the main and one for the driver transistor.  On …

bass tone circuit board: This is a bass-tone circuit board for the amplifier. here in this circuit no need for any voltage. it’s only the controller without the pre-amplifier. it is good to use a pre-amplifier with this circuit diagram. but sometimes there has no voltage. like if we want …

How to make 5 voltage using tip41c: This is a 5-voltage circuit diagram for the Bluetooth card or charging 4.2-volt battery. or anywhere we want. we can use 7805 to make 5 volts. but 7805 can make half amperes. Sometimes we need more amperes. here used tip41c transistor. this transistor …

How to make ac to dc: this is the circuit diagram for making ac to dc voltage. this is a step-down transformer. always we have to use a step-down transformer to use the voltage. our primary voltage is ac 220. normally we need lower voltage. like 12 volts /24 volts …

How to Build Step-Down Transformers with Calculations: here we are going to build a step-down transformer. this is a classic transformer. classic transformer made by E-core and the I-core. this type of transformer has a bobbin. we wind the wire to this bobbin. we have to calculate the bobbin size.  …

How to make 12-voltage SMPS: This is the 12-voltage SMPS circuit diagram. this is an easy circuit. used here KLY MK-21C Universal Power as the MOSFET. first makes ac 220 to Dc voltage 350. then the dc voltage goes to the transformer using this KLY MK-21C Universal Power. the transformer …

How to make 5 voltage: This is a circuit diagram to make strong 5 voltage. normally we use 7805 to make 5 voltage for audio Bluetooth cards or others. but 7805 makes 500ma amperes. but sometimes we need 2 amperes. then we can use this circuit. this circuit can make …

Adjustable voltage regulator using lm317: This is an adjustable voltage regulator using lm317. we can control the voltage from 1 to 35 voltage. if we use 12 voltage then we can control from 1 to 12 voltage. if we use 24 voltage then we can control from 1 to 24 …