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
ThreeBallasts.gif Home made fixtures, ballasts and other gear 29 files, last one added on Apr 27, 2014
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

H100E17.JPG
P1010172.JPG
VibratorBallast.GIF
Celkove.JPG
Celkove.JPG
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 ... 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...
IMG0015A.jpg
IMG0015A.jpg
IMG0015A.jpg
IMG0015A.jpg
IMG0016A.jpg
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... 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...
HR50W_side.JPG
HR50W_side.JPG
HR50W_side.JPG
Philips_SX72.GIF
Philips_SN57.GIF
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. 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...
EnergizerPocket.GIF
EnergizerPocket.GIF
Energizer.jpg
Philips_SX72.GIF
Philips_SN57.GIF
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... Energizer pocket lightMedved11/23/15 at 04:13Globe Collector: I picked up one if those tubes about 18 months ago... Schematic of Philips SX72 SOX ignitorMedved11/23/15 at 03:59Globe Collector: You know what is amazing in this circuit is NOT PO... Philips SN57 principal schematicMedved11/23/15 at 02:39dor123: Were there also low frequency pulses SN ignitors (...

Last additions - Medved's Gallery

Last additions - Medved's Gallery

IMG0015A.jpg
IMG0016A.jpg
IMAG010.GIF
Kopie_-_Duracell.JPG
Kopie_-_Elektrosvit14633.jpg
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 Elektrosvit 14 633 military lanternMedvedJan 27, 2015
Johnlite.JPG
EnergizerPocket.GIF
F4T5BLB_pocket.GIF
Energizer.jpg
PocketF4T5BLB.jpg
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 Pocket UV BLB / incandescent torch comboMedvedJan 18, 2015
ElectronicVibratorForFluorescent.GIF
VibratorBallast.GIF
CampingLantern.GIF
P1010172.JPG
CampingLantern.jpg
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 PL-7W Camping lanternMedvedJan 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

Atlas_Tridonic_Semiparallel.GIF
TrafficLightPCB.GIF
FlashLight_Side_LED_ON.jpg
IMG0016A.jpg
CompactLED12W_lit.jpg
Extracted schematic of the Atlas/Tridonic semiparallel ignitorMedved Snapshot of traffic light controller PCB in the CAD systemMedved H3/LED flashlightMedved One of the most stupid lighting instalationMedved 12W Compact LED lampMedved
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