555-timersx

555 Monostable Circuit

555 Mono PCB circuit diagram
Circuit Diagram
 
555 Mono PCB track layout 555 Mono PCB layout of components
Track Layout
 		 Component Layout
 
555 Mono PCB Copper filled 555 Mono PCB hand drawn
Copper Filled PCB
 		 Hand Drawn PCB
 
555 Mono PCB compact track
Compact Track Layout
 

555 Bistable Circuit

555 Bistable PCB circuit diagram
Circuit Diagram
 
555 Bistable Track layout 555 Bistable Component layout
Track Layout
 		 Component Layout
 
555 Bistable PCB compact track
Compact Track Layout
 

555 Astable Circuit

Astable PCB compact track
Compact Track Layout
1. 3 Red Stars Projects from Andy Collingwood 23/12/02
555 Timer projects plus many more.
2. 4 Red Stars History of the 555 Timer 23/12/02
Detailed history of the 555 Timer with its internal construction. Monostable and Astable circuits. Dark detector, Power alarms. Tilt switch. Electric eye alarm. Metronome. Timer. Schmitt triger. Morse code oscillator. Morse code monitor. Two tone speaker. Heads and tails.
3. 2 Red Stars Astable multi-vibrator IC circuit. 23/12/02
Circuit using an IC to make an LED flash.
4. 2 Red Stars Astable multi-vibrator Transistor circuit. 23/12/02
Circuit using an Transistor to make an LED flash.
5. 3 Red Stars Animated 555 Timer. 23/12/02
Animated circuit diagram showing how the voltage builds up in the capacitor and then discharges through the resistor turning on the output.
6. 3 Red Stars Flashing lights diplay. 23/12/02
Intranet -- Anomymous browser -- Depts -- Electronics -- Upper Shell -- Light Chaser. Circuit layout explained for a 6 LED display. Circuit from Doctronics/Kits.
7. 3 Red Stars Sequenced flashing lights. 23/12/02
Intranet -- Anomymous browser -- Depts -- Electronics -- Lower Shell -- Safety Light. Circuit layout explained for flashing bicycle safety lamp. 555 component selector program. Circuit from Doctronica/Kits.
Issue 30 - 20/2/03
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