Albums

Albums

Mercury lamps
P1010172.JPG My high pressure mercury lamps, lanterns and other fixtures 9 files, last one added on Jan 11, 2015
Battery powered
Kopie_-_Duracell.JPG 6 files, last one added on Jan 27, 2015
Homebrew lighting
TlfIntercom.jpg Home made fixtures, ballasts and other gear 30 files, last one added on Apr 09, 2019
Reverse engineering
IMAG010.GIF 25 files, last one added on Oct 11, 2015
Unspecified lamps
LED_zarovka_Cina.jpg 2 files, last one added on Jun 10, 2014
Fluorescent
IMG0015A.jpg 3 files, last one added on Jun 27, 2016
6 albums on 1 page(s)

Last comments - Medved's Gallery

Last comments - Medved's Gallery

PLC_BASIC.GIF
PLC_BASIC.GIF
CompactLED12W_assembled.jpg
H100E17.JPG
P1010172.JPG
Basic CFL circuit, used as a PL-S ballastMedved04/12/19 at 05:44rjluna2: They are https://en.wikipedia.org/wiki/Electronic_... Basic CFL circuit, used as a PL-S ballastMedved04/11/19 at 20:02Binarix128: How is called this program? Looks interesting! :m... Compact LED lampMedved03/25/19 at 06:40HomeBrewLamps: How is this bulb working now? EYE H100E17Medved09/24/18 at 12:51MissRiaElaine: A little bit underrun, though. Just acquired a 100... 80W MV yard lightMedved08/27/18 at 11:09MissRiaElaine: Looks like a bit like a Thorn Precinct. There are ...
VibratorBallast.GIF
Celkove.JPG
Celkove.JPG
IMG0015A.jpg
IMG0015A.jpg
Why simple MOSFET vibrator replacement does not workMedved01/30/18 at 12:36ultralume: Nice detailed explanation...However I built a simp... "Temporary" CFL fixMedved12/02/16 at 06:05rjluna2: Sounds like fun, Medved "Temporary" CFL fixMedved12/01/16 at 11:20Medved: So finally the fluorescent tube gave up, about two... Detail of the most inefficient T5Medved06/27/16 at 16:03Medved: It is one long line over the complete corridor and... Detail of the most inefficient T5Medved06/27/16 at 15:34Ash: Designer wanted that "square and dark" l...
IMG0015A.jpg
IMG0015A.jpg
IMG0016A.jpg
HR50W_side.JPG
HR50W_side.JPG
Detail of the most inefficient T5Medved06/27/16 at 15:19Medved: No, it is supposed to cover all the lamps. The gap... Detail of the most inefficient T5Medved06/27/16 at 14:59Ash: Is the cover sliding in and out ? I seen bedside l... One of the most stupid lighting instalationMedved06/27/16 at 14:56AngryHorse: Yeah, thats a bit odd, it looks like something tha... EYE MV 50W R20Medved06/14/16 at 15:19Medved: I had to "smuggle" it into Europe from t... EYE MV 50W R20Medved06/06/16 at 09:26wattMaster: I never knew these existed.
HR50W_side.JPG
Philips_SX72.GIF
Philips_SN57.GIF
EnergizerPocket.GIF
EnergizerPocket.GIF
EYE MV 50W R20Medved06/06/16 at 09:21Lumex120: I once saw a case of 12 of these on ebay for $10. ... Schematic of Philips SX72 SOX ignitorMedved11/23/15 at 14:54Medved: The design is really different from the high press... Philips SN57 principal schematicMedved11/23/15 at 14:46Medved: I do not know any, but I would be very surprised i... Pocket Energizer lampMedved11/23/15 at 14:36Medved: Indeed, the BE pull down resistor really should ha... Pocket Energizer lampMedved11/23/15 at 04:44Globe Collector: Open circuit the base of the transistor to shut it...

Last additions - Medved's Gallery

Last additions - Medved's Gallery

TlfIntercom.jpg
IMG0015A.jpg
IMG0016A.jpg
IMAG010.GIF
Kopie_-_Duracell.JPG
Line telephone intercomMedvedApr 09, 2019 Detail of the most inefficient T5MedvedJun 27, 2016 One of the most stupid lighting instalationMedvedJun 27, 2016 What is this ballast about?MedvedOct 11, 2015 Duracell foldable search/fluorescent flood/hazard flasher lanternMedvedJan 27, 2015
Kopie_-_Elektrosvit14633.jpg
Johnlite.JPG
EnergizerPocket.GIF
F4T5BLB_pocket.GIF
Energizer.jpg
Elektrosvit 14 633 military lanternMedvedJan 27, 2015 JohnLite "6-in-1" multipurpose lanternMedvedJan 25, 2015 Pocket Energizer lampMedvedJan 18, 2015 Ballast schematic of the F4T5BLB pocket lightMedvedJan 18, 2015 Energizer pocket lightMedvedJan 18, 2015
PocketF4T5BLB.jpg
ElectronicVibratorForFluorescent.GIF
VibratorBallast.GIF
CampingLantern.GIF
P1010172.JPG
Pocket UV BLB / incandescent torch comboMedvedJan 18, 2015 Solid state vibrator replacement for fluorescents likee Browning Porta LightMedvedJan 18, 2015 Why simple MOSFET vibrator replacement does not workMedvedJan 17, 2015 Camping lantern shematicMedvedJan 11, 2015 80W MV yard lightMedvedJan 11, 2015

Random recent files - Medved's Gallery

Random recent files - Medved's Gallery

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Random older files - Medved's Gallery

Random older files - Medved's Gallery

EuropeanSemiparallelConcept.GIF
CampingLantern.jpg
LED_zarovka_Cina.jpg
PLC_BASIC.GIF
HR50W_side.JPG
Principal schematic of the generic semiparallel ignitorMedved PL-7W Camping lanternMedved Qualeetee LEEDMedved Basic CFL circuit, used as a PL-S ballastMedved EYE MV 50W R20Medved
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