Re: 12 V for home-brew IR receiver

On 24/03/2025 20:12, Eduard Refinius via LIRC-list wrote:
> Hello.
>
> I have a home-brew IR receiver as described on
> https://lirc.org/receivers.html
>
> I've read, that supply voltage range 8 V .. 10 V is ok for this circuit.
> Is it ok for the voltage regulator to be supplied by 12 V or is it too
> much? I don't want to damage the IR receiver.
>
>
I would suggest using a 7809 which drops the voltage to 9V. Someone else
suggested a 7805, and that's not what you want because its output
voltage is 5V which falls far short of the minimum of 8V that you cite.