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
P1100359.JPG 4 files, last one added on Jul 01, 2019
6 albums on 1 page(s)

Last comments - Medved's Gallery

Last comments - Medved's Gallery

P1100359.JPG
P1100359.JPG
P1100359.JPG
P1100359.JPG
P1100359.JPG
Fluorescent "starter"Medved07/03/19 at 18:04streetlight98: Yeah I've come across some plastic starters wi... Fluorescent "starter"Medved07/03/19 at 15:39don93s: It would seem that sometimes the UV from the lamp ... Fluorescent "starter"Medved07/02/19 at 19:38streetlight98: Makes sense to me. Apparently the California-base ... Fluorescent "starter"Medved07/02/19 at 18:07sol: I believe some telephone technician jobs, among ot... Fluorescent "starter"Medved07/02/19 at 17:52streetlight98: There was a city in Massachusetts that converted i...
P1100359.JPG
P1100359.JPG
P1100359.JPG
P1100359.JPG
P1100359.JPG
Fluorescent "starter"Medved07/02/19 at 17:28sol: Oh, now I get it. I see the missed connection. Yes... Fluorescent "starter"Medved07/02/19 at 16:49Binarix128: Someone looking for bacations when maded it :roll... Fluorescent "starter"Medved07/02/19 at 15:52James: Spectacular fail! But when you work in production... Fluorescent "starter"Medved07/01/19 at 19:37streetlight98: I work with idiots who have done stuff lik... Fluorescent "starter"Medved07/01/19 at 06:32sol: I have a F15 fixture running 24/7 and once noticed...
P1100359.JPG
PLC_BASIC.GIF
PLC_BASIC.GIF
CompactLED12W_assembled.jpg
H100E17.JPG
Fluorescent "starter"Medved07/01/19 at 06:06rjluna2: Quality at the best 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...
P1010172.JPG
VibratorBallast.GIF
Celkove.JPG
Celkove.JPG
IMG0015A.jpg
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... Detail of the most inefficient T5Medved06/27/16 at 16:03Medved: It is one long line over the complete corridor and...

Last additions - Medved's Gallery

Last additions - Medved's Gallery

P1100359.JPG
TlfIntercom.jpg
IMG0015A.jpg
IMG0016A.jpg
IMAG010.GIF
Fluorescent "starter"MedvedJul 01, 2019 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
Kopie_-_Duracell.JPG
Kopie_-_Elektrosvit14633.jpg
Johnlite.JPG
EnergizerPocket.GIF
F4T5BLB_pocket.GIF
Duracell foldable search/fluorescent flood/hazard flasher lanternMedvedJan 27, 2015 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.jpg
PocketF4T5BLB.jpg
ElectronicVibratorForFluorescent.GIF
VibratorBallast.GIF
CampingLantern.GIF
Energizer pocket lightMedvedJan 18, 2015 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

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

SN57Sims.gif
PLC_BASIC.GIF
FlashLight_ChargerBallast.jpg
IndVsResBallast.GIF
SimpleLEDSupplyLowVout.gif
Philips SN57 principal simulationMedved Basic CFL circuit, used as a PL-S ballastMedved H3/LED flashlightMedved Resistive vs inductive ballastMedved Ballast for single 1W LEDMedved
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