file/link
size[KB]
date
lang
sta
description
1411
2002/??/??
E
D
LED fluorescent lamp replacement. Analysis, construction etc. High efficient LEDs (HLMPxxxx), PFC design. It's realy MAD project. COST approx 170EUR/$
58
2002/07/17
E
D
Projection Lamp (halogen) Soft start
36
2001/12/13
C
D
Halogen Lamp Soft Start and voltage regulation (main +/- 6-12VAC).
1031
2001/05/14
C
D
Linear regulated power supply. Digital measurement of output V/I, PWM COOL-FAN control. Bulky transformer replaced by soft SMPS. It's not recommended to built it. It' BETA version. If you WANT. Make SMPS regulated with feedbak(flyback,feed-forward), used "feedback-less", unregulated PUSH-PULL with poor performace now.
58
2000/09/12
C
D
ISCS guide.
362
2000/??/??
EC
D
Intelligent Security Car System. Unique key, connection = 12V connector in dashboard (car's).
64
2000/08/23
E
D
High-voltage generator. Ignition choke used (car's). NE555...
63
2000/03/28
C
D
Bulb soft-start.
802
2000/??/??
E
D
Some SMPS. Calc.
140
2000/07/24
EC
D
SMPS (Switched Mode Pwr Supply), 12VAC->5VDC Buck/step down converter.
71
1999/11/19
EC
DF
Phone card emulator. PIC12C508...and asynchronous logic machine. Emulation of EPROM chip done but not tested in phone-box. See SW download for Pohne-box emulation in Your PC.
76
1999/11/19
EC
DF
Phone card emulator: PIC 12C508 software.
17
2000/11/15
C
D
Direct low-voltage/low-power supply. Use simple capacitor + 2diodes or...Use ripple voltage on filter C in SMPS...
1914
1999/??/??
EC
F
Anti-Thief Lighting System. Pseoudo - Random light switcher. Very sophisticated, connection to PC....:-) See ATLS PC SW download.
1
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lang=language{Czech,English,English&Czech}, sta=status{Active,Frozen,Done}, when size = -1, file not found or unkown(link...)
