This is the circuit diagram a powerful LED flasher. High power LEDs are very common in the market now and a 1W high power LED is used here. Transistors Q1 and Q2 are wired as an oscillator which produces positive pulses of width 20ms @ ½ Hz. Transistor Q3 and MOSFET Q4 inverts this pulse [...]
Archive for May, 2010
2 Parking Sensor System and Led Display
4 Piece Rear Parking System (Sensors x 2, ain, Display) 2 x 1-Inch Diameter Wired Rear Sensors (9 Foot) Digital Distance Object Wired Indicator (25 Foot) 4 Color 7 Stage Led Indicator 4 Stage Built-in Beeping Alarm Display Distance: 2.0m ~ 0.3m Reverse Sensor Trigger Sensor Cutout Tool Included… Read more