[chbot] Flashing LED

[Mark Atherton]

45000mcd - isn't that a headlight ?

Any chance of bringing the indicator up on a couple of wires to the the 
steering departments ?

Rather think that less-nearer may be better than lots-a-bit-far-away

-Mark

PS Mr Becket does have a shocking point though...



On 22/09/2021 7:33 PM, Mark Beckett wrote:
> As an alternative, what about using one of these.
> 
> https://surplustronics.co.nz/products/2380-kit-electric-shock-machine
> 
> 
> Saves having to look down all the time.
> 
> Mark
> 
> 
> On 22/09/21 19:24, Robin Gilks wrote:
>> 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.
>> This is why I was looking at driving a 45000mcd white Cree LED with a 
>> unijuction (or maybe the equivalent PNP/NPN pair)
>>
>>
>> On Wed, Sep 22, 2021 at 6:01 PM Mark Atherton <markaren1 at xtra.co.nz 
>> <mailto:markaren1 at xtra.co.nz>> wrote:
>>
>>     How about Jaycars Blue Flashing LED, 5mm, 900mcd ZD0245
>>
>>     Needs a resistor to 5V.
>>
>>     -mark
>>
>>     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
>>     >
>>     >
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