Red Alert Startrek Alarm by IC 555
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The third circuit simulates the “Red Alert” siren from the TV show Star Trek. It uses two 555 timers in the circuit.
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IC Regulator :: LM317 TL494 :: LM2575 LM338
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SG3525 LM723 LM350T
TDA2030 2N3055 MJ2955
IC Regulator :: LM317 TL494 :: LM2575 LM338
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13.8V 20A
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12V 10A by LM324-MJ2955 (Switching reg)
13.8V 40A by LM3524 (Switching reg)
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Reg 0-30V 2A by UA723
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4.5-25V 10A (By LM350)
13.8V 20A
0-28V 20A
0-28V 8A
12V 10A by LM324-MJ2955 (Switching reg)
13.8V 40A by LM3524 (Switching reg)
Power Inverter
12V to 220V 100W (Cool)
100W (IC 4047 + 2N3055)
12V - 220V 500W (cool)
500W (IC 4047 , 2N055)
DC to DC Converter
12VDC to 16VDC (for mp3,laptop)
12VDC to +/- 30VDC
5VDC to +/- 5VDC (ICL7660)
12VDC to 24VDC 2A
Site my friend (Pr 3 up)
circuit-projects.com
Circuit Schematics & Projects
Electronic-Lab Blog
Circuit Electronic Blog
Power Amplifier blog
dc ac Inverter
12V to 220V 300W
Inverter 180W by 2N3055
Mini inverter 12V to 220V
mini inverter 10W-30W
power amplifier hifi
MOSFET HI-FI 300W
50W OCL (2N3055)
50W OCL MOSFET
100W OTL by 2N3055 x2
100W OCL MOSFET
Bridge amplifier TDA2003
Archives
TL494 Speed Control
SG3525 DC motor control
555 PWM Motor control
Stepper Motor by L298-L297
dc power supply
dual power supply 3V,5V,6V,9V,
12V,15V by LM317,LM337
Interesting IC
LM324 LM337 LM3914
SG3525 LM723 LM350T
TDA2030 2N3055 MJ2955
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