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PROJECT BASICS
POWER SUPPLY
INTRODUCTION
DC POWER from AC
VOLTAGE TRANSFORMATION
RECTIFICATION
FILTERING
REGULATION
DESIGNING OF FINAL CIRCUIT
BATTERY POWER
TYPES of BATTERY
DESIGN QUESTION
HOW LOAD AFFECTS POWER SUPPLY
SENSORS
RELAY
CURRENT BUFFER
BIDIRECTIONAL CURRENT BUFFER
PARALLEL PORT
LEVEL SHIFTER
WIRELESS COMMUNICATION
PROJECT IDEAS
 

 

 

Voltage transformation:

Supply the correct AC voltage level. We use a transformer here which converts the 220 V to the appropriate level of voltage.

The lower voltage is according to the specification of the transformer and specification of the transformer is decided from the requirements of the system.  There are main three specifications about the transformer:

    • Output voltage
    • Output current
    • Centre node or no center node

     

     

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