[chbot] Flashing LED
markaren1 at xtra.co.nz
Wed Sep 22 07:01:02 BST 2021
How about Jaycars Blue Flashing LED, 5mm, 900mcd ZD0245
Needs a resistor to 5V.
On 22/09/2021 5:29 PM, Robin Gilks wrote:
> The grass box full indicator light on my mower has packed up so now is a
> great time to replace it with a flashing ultra-bright LED one that I'll
> actually notice (I can't hear the beeper when I'm wearing ear defenders).
> My first thought was a unijunction device but the 2n2646 is a t05 can so
> won't fit in the original bulb holder assembly. Jaycar do a 2n6027
> (which is a quarter of the price) but most of the schematics I've found
> seem a bit weird - like having the LED in the gate and relying on the
> timing capacitor discharge current to light it. Is it actually a
> comparable device?
> Robin Gilks
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