The End
Burned LED
SMD to the rescue
Smoothing capacitor added
Smoothing capacitor added
Full wave rectifier - strangeness
Full wave rectifier - strangeness
Full wave rectifier - with large cap
Full wave rectifier - with small load
Full wave rectifier - strangeness
The brain + LEDs
Lit LED
Philips HX7500 - body
Philips HX7500 - body
NiCd battery
HX7500 magnet
Bad solder mask
Bad solder mask
Who made it
Rotting PCB
Two coils
Quartz
Rotting chip - RIP
Salvaged LEDs
Eating perfboard
Adding a switch for the light bulb
Eating perfboard
All on
LED only
Sad lamp - LED only
Attaching the PCB
Sad lamp - all on
Full frontal...
Da Switch
All wired up
Look at me
Perfboard
Da Switch
Does this one have any dual use issues?
Mr. Purple
The Tower of Power
Smile
Smile
Smoothing boards
Ripples
Keywords
Authorizations, license
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104 visits
The End
I think I will never ever again use LEDs of this class without a _real_ constant current source. Just using resistors doesn't cut it anymore. Especially when one of the LEDs fails shorted... I was thinking about using a 2N2222 for that purpose, but didn't. Silly me
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