Electronics Help Care Amplifier circuit diagram Sometimes we have to control our dc motor in 2 ways. like right and left, reverse and forward. We can buy a circuit to make it. But here is an easy way to control the motor. dc motor has positive and negative terminals. If we can change the terminal, then it can change the moving way. reverse and forward circuit diagram.
If we use it the right way, then it will run on the right side. But if we change the positive to negative. and negative to positive, then the motor will be run on the left side. like this diagram. We use only a 6-pin switch to change the terminal.
How to make a 3.7-volt battery charger:
How to make a 3.7-volt battery charger? This is the circuit diagram of the 3.7-volt battery charger. This is an auto charger diagram. normally we can’t find a 3.7 voltage transformer to charge this battery. We got 5-voltage or 6-voltage chargers. We can find 5 voltages everywhere. Now every mobile charger is 5 volts. Every USB port has 5 volts. We can take voltage from the mobile charger or USB port.
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