[chbot] Flashing LED

Mark Atherton 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?
> Cheers
> -- 
> Robin Gilks
> _______________________________________________
> Chchrobotics mailing list Chchrobotics at lists.ourshack.com
> https://lists.ourshack.com/mailman/listinfo/chchrobotics
> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/
> Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.
> When replying, please edit your Subject line to reflect new subjects.

More information about the Chchrobotics mailing list