A light dimmer that uses TRIAC & DIAC. Controls the brightness of light bulbs. Based on the standard dimmer circuit. A few additional parts were added to eliminate flickering at low light level. Works better then commercial units. Plastic enclosure & knob are provided Datasheet for BT-136 (pdf)
Datasheet for Z0410MF (pdf) Datasheet for DIAC (DB3) (pdf)