AC MOTOR SPEED CONTROLLER FOR MODERN APPLIANCES USING LS7311

The project specifically designed for motor speed control application in appliances such as blenders, etc. Tact switches provided for selecting/indicating from 1 to 10 power levels ( Speed Levels).  The project is ideal for universal and shaded-pole motor speed control for modern appliances design. Eliminates awkward mechanical switch assemblies and multi-taped motor winding.

FEATURES

• 10 Tact Switch for Speed Selection
• 10 LEDS for speed indication
• On Board Stop and Start Switches ( Start Switch Latch Operation)
• Momentary Run Switch
• Supply 230V ( 110V Possible Refer Data sheet for components Change)
• 300W Load
• On Board snubber for Inductive Load
• No Separate DC power supply required

NOTE: Dangerous voltages of 220V AC appears on this project. So take appropriate protection measures.

SCHEMATIC

PARTS LIST