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Light flasher circuit diagrams
October 3, 2010
This circuit operates two LED strips in pulsing mode, i.e. one LED strip goes from off state, lights up gradually, then dims gradually, etc. while the other LED strip does the contrary. Each strip can... [more]
circuit from:http://www.extremecircuits.net/2010/01/fading-leds-circuit-diagram.html
October 3, 2010
This circuit was purposely designed as a funny Halloween gadget. It should be placed to the rear of a badge or pin bearing a typical Halloween character image, e.g. a pumpkin, skull, black cat, witch,... [more]
October 3, 2010
This circuit was designed as a warning flasher to alert road users to dangerous situations in the dark. Alternatively, it can act as a bicycle light (subject to traffic regulations and legislation). White LEDs only... [more]
circuit from:http://www.extremecircuits.net/2010/05/high-intensity-led-warning-flasher.html
October 2, 2010
This circuit operates a LED in pulsing mode, i.e. the LED goes from off state, lights up gradually, then dims gradually, etc. This operation mode is obtained by a triangular wave generator formed by two... [more]
circuit from:http://www.extremecircuits.net/2009/08/led-or-lamp-pulsar-circuit.html
October 2, 2010
This circuit was designed to provide that continuous light lamps already wired into a circuit, become flashing. Simply insert the circuit between existing lamp and negative supply. Especially suited for car or panel pilot lights,... [more]
circuit from:http://www.extremecircuits.net/2009/08/led-or-lamp-flasher-circuit.html
October 2, 2010
This novel circuit uses a flashing LED as the clock input for a 4017 decade counter. Typical flashing LEDs (eg, DSE cat Z-4044) flash at about 2Hz so the outputs Q0-Q9 will cycle through at... [more]
circuit from:http://www.extremecircuits.net/2010/05/one-of-nine-sequencer.html
October 2, 2010
Here is a portable, high-power incandescent electric lamp flasher. It is basically a dual flasher (alternating blinker) that can handle two separate 230V AC loads (bulbs L1 and L2). The circuit is fully transistorised and... [more]
circuit from:http://www.extremecircuits.net/2010/05/portable-lamp-flasher.html
October 2, 2010
Ordinary LED flashers turn the LED on and off abruptly, which can get a little irritating after a while. The circuit shown here is more gentle on the eyes: the light intensity changes very slowly... [more]
circuit from:http://www.extremecircuits.net/2010/05/smooth-flasher-circuit-diagram.html
September 30, 2010
This circuit is intended as a reliable replacement to thermally-activated switches used for Christmas tree lamp-flashing. The device formed by Q1, Q2 and related resistors triggers the SCR. Timing is provided by R1, R2 &... [more]
circuit from:http://www.extremecircuits.net/2009/08/ac-220-volts-flashing-lamps-circuit.html
September 27, 2010
This circuit has been designed to provide a clearly visible light, formed by 13 high efficiency flashing LEDs arranged in a pseudo-rotating order. Due to low voltage, low drain battery operation and small size, the... [more]
circuit from:http://www.extremecircuits.net/2010/01/bicycle-back-safety-light-circuit.html
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