DigiTronics Micro Strobe, retail $TBA (No URL known)
Manufactured by DigiTronics (No URL known)
Last updated 10-20-09

The DigiTronics Micro Strobe is an enclosed circuit with an red-orange 5mm LED at the end of an 8" cord. This LED blinks, and a set of AA alkaline cells should last for months.

This device is meant to be supplied with 3 volts DC, for example, from two AA alkaline cells in series. The blink rate is approximately 4 blinks every 5 seconds.


To use the Micro Strobe, connect its power leads to a source of 3 volts DC. The blue wire is (-) negative and the purple wire is (+) positive. The Micro Strobe will come on as soon as power is applied. There is no on/off switch, so if you want to use one, you'll have to supply that yourself.

There is a "low battery" indication; in this mode, the LED will come on and stay on without blinking. The threshold for this is approximately 1.953 volts, or 0.9765 volts per cell.

Because you can supply this unit with 3VDC from any source, this section will be skipped.

The Micro Strobe appears to be reasonably durable.
It is potted in epoxy, with a plastic covering over most of the unit. So it should be water-resistant; if it falls in the sink or {vulgar term for feces}bowl, just dry it off and go about your business. Even the bottom end of the LED is epoxied, so you don't need to worry about breaking it.

Like any electronic device though, the weak link will be the wires themselves; if the Micro Strobe is going to become broken, this is what will break.

The Micro Strobe is protected against reverse polarity, so if you accidentally connect it backwards, you won't let all the magic smoke out. Just hook it up the other way, and it will happily blink away.

Spectrographic plot
Spectrographic analysis of the reddish-orange LED in this product.
USB2000 spectrometer graciously donated by P.L.

Test sample was received in early 2003, and was promptly misplaced (sorry about that!!!) It turned up last night (04-22-04) while I was getting ready for the annual inspections (an invasive process where Seattle Housing Authority employees enter your unit and examine your housekeeping), so here ya go. :-)
Oh, and I postphoned the inspection for two more weeks, so I have time to get things in order. :-)

Unit is available from DigiTronics, at the following address:

PO Box 933
Olalla WA. 98359

UPDATE: 00-00-00



    MANUFACTURER: DigiTronics
    PRODUCT TYPE: LED blinker circuit with LED
    LAMP TYPE: LED, red-orange 5mm
    No. OF LAMPS: 1
    BEAM TYPE: Well-defined hotspot in a ~15 beam
    SWITCH TYPE: None used or needed
    BEZEL: None
    BATTERY: 3VDC from any source
    CURRENT CONSUMPTION: Not able to measure
    WARRANTY: Unknown


    Star Rating

DigiTronics Micro Strobe * (URL not known)

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