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<p><font face="Candara">As an alternative, what about using one of
these.</font></p>
<p><font face="Candara"><a class="moz-txt-link-freetext" href="https://surplustronics.co.nz/products/2380-kit-electric-shock-machine">https://surplustronics.co.nz/products/2380-kit-electric-shock-machine</a></font></p>
<p><font face="Candara"><br>
</font></p>
<p><font face="Candara">Saves having to look down all the time.</font></p>
<p><font face="Candara">Mark</font><br>
</p>
<br>
<div class="moz-cite-prefix">On 22/09/21 19:24, Robin Gilks wrote:<br>
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<blockquote type="cite"
cite="mid:CAPfE9UiM9e37veGeRd6rm6L4G+utN45q8G=YTeJ6jbkt22euCw@mail.gmail.com">
<div dir="ltr">I looked at the flashing LEDs but none seemed
likely to be visible in bright sunlight, especially when it's
down by the steering wheel, not the best place to notice it when
avoiding the flower beds.
<div>This is why I was looking at driving a 45000mcd white Cree
LED with a unijuction (or maybe the equivalent PNP/NPN pair)
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<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, Sep 22, 2021 at 6:01
PM Mark Atherton <<a href="mailto:markaren1@xtra.co.nz"
moz-do-not-send="true">markaren1@xtra.co.nz</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">How
about Jaycars Blue Flashing LED, 5mm, 900mcd ZD0245<br>
<br>
Needs a resistor to 5V.<br>
<br>
-mark<br>
<br>
On 22/09/2021 5:29 PM, Robin Gilks wrote:<br>
> The grass box full indicator light on my mower has packed
up so now is a <br>
> great time to replace it with a flashing ultra-bright LED
one that I'll <br>
> actually notice (I can't hear the beeper when I'm wearing
ear defenders).<br>
> <br>
> My first thought was a unijunction device but the 2n2646
is a t05 can so <br>
> won't fit in the original bulb holder assembly. Jaycar do
a 2n6027 <br>
> (which is a quarter of the price) but most of the
schematics I've found <br>
> seem a bit weird - like having the LED in the gate and
relying on the <br>
> timing capacitor discharge current to light it. Is it
actually a <br>
> comparable device?<br>
> <br>
> Cheers<br>
> -- <br>
> Robin Gilks<br>
> <br>
> <br>
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