Electronics Help Care electronics circuit diagram

DIY timer circuit board: This is a DIY timer circuit board. this diagram is so easy to make. it’s an important diagram in the electronics sector. sometimes we need the power to be switched on after some time. for this, we can use this diagram. here has a variable to …

How to make bass tone: How to make a bass tone. this is the equalizer circuit for the amplifier. this circuit does not need any voltage to run. it’s a passive circuit. this circuit requires a pre-amplifier to make a good performance. it’s a mono-circuit diagram. if we need stereo, …

2sc5200 and 2sa1943 transistor: These are the 2sc5200 and 2sa1943 transistor amplifier circuit diagrams. this diagram can make 100 watts. one pare transistor can make 100 watts. this circuit needs 35-0-35 voltage and 3 amperes. we also can use other PNP and NPN transistors.  The circuit diagram      We …

Audio mixer circuit: This is an audio mixer circuit for the amplifier. Sometimes we need many inputs in an amplifier. then we can use this type of diagram to control all input. here, there is no need for any voltage. Equalizer Here have 6 input and 1 output socket. this …

Equalizer circuit diagram 7band: This is an Equalizer circuit diagram 7band. this board is for mono audio. if need a stereo then have to use a two-circuit. here no need for any voltage because it’s a passive circuit. every amplifier needs a good-quality graphic.  All voll will be 100k and …

Amplifier circuit diagram using Mosfet: This is an amplifier circuit diagram using MOSFET. here used Irf9530 and Irf930. Irf9530 is a positive mosfet and Irf930 is a negative mosfet. this circuit can make 200 watts maximum. here used 50-0-50 voltage and 5 amperes.  this is a mono board. if we …

Low Mid and High Circuit Diagram: This is a Low Mid and High control circuit board. this diagram is so easy and simple. it’s a mono-circuit diagram. it’s without a pre-amplifier circuit. this circuit does not need power because it’s without a pre-amplifier. it can control low frequency, high frequency, …

Password Switch: This is a security system for any electric goods. like light, motor, fan. sometimes we need a password for the light or motor. for this situation, we can use this type of switchboard. like used 10 switches 5 will be on and another 5 will be off. then …

Turbo Bass Circuit: This is the Turbo Bass Circuit diagram. this circuit makes the extra bass. This is also a pre-amplifier. we need this type of board for the subwoofer. low-pass filter also for subwoofer but this circuit is different board. this circuit works with 2.0 stereo sound but the …

100 watts amplifier circuit: This is a 100-watt amplifier circuit diagram using TDA7294. this is one of the popular diagrams. we can get 100 watts from this board. here we can use 15-0-15 voltage to 45-0-45 voltage. we will get the watts according to the using voltage. this is a …