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Circuits & Projects

• Power supply
  Dual DC power supply
  12V regulated DC power supply
  0-35V variable DC power supply
  Transformerless DC power supply
  
  
• DC motor
  DC motor reverse controller circuit
  
  
• Battery
  Battery Level Monitor
  Lead Acid Battery Charger
  battery load priority selector
  
  
• Over-Under Voltage Block Circuit
  Over-Under Voltage Block Circuit With Delay
  Over-Under Voltage Block Circuit With Reset
  
  
• Power Inverter
  Power Inverter Circuit
  Power Inverter Circuit with Low Battery Shutdown1
  Power Inverter Circuit with Low Battery Shutdown2
  
  
• Lighting System Control
  Light Dimmer
  1 Step Light Dimmer
  Automatic street light circuit 1
  Automatic street light circuit 2

• Alternate on/off circuit
  Alternate on/off circuit using BJT
  Alternate on/off circuit using 2 logic INVERTERs
  Alternate on/off circuit using logic AND & INVERTER
  Alternate on/off circuit using 555
  
  
• Multivibrator
  Astable using 555 timer
  Monostable using 555 timer
  Astable using schmitt trigger
  Astable using comparator
  LED flasher