S
Shane Kirkman
Guest
Hi Doe's anyone know of a adjustable power supply circuit for a 12v
soldering iron.
Cheers Shane.
soldering iron.
Cheers Shane.
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I
Ian Stirling
Guest
Shane Kirkman <shanekirkman@optusnet.com.au> wrote:
a "dimmer"?
The trivial way would be 555 + relay, switching on and off every second
or so, with the appropriate mark/space ratio.
The slightly less trivial one would be to replace the relay with an
appropriate MOSFET.
Do you mean that you want to run it from a 12V power supply, and you wantHi Doe's anyone know of a adjustable power supply circuit for a 12v
soldering iron.
a "dimmer"?
The trivial way would be 555 + relay, switching on and off every second
or so, with the appropriate mark/space ratio.
The slightly less trivial one would be to replace the relay with an
appropriate MOSFET.
J
Jamie
Guest
hmm
use a HexFet that will handle the current and a simple 555 to act as a
PWM (pulse width Modulator) to control the on duration.
Shane Kirkman wrote:
use a HexFet that will handle the current and a simple 555 to act as a
PWM (pulse width Modulator) to control the on duration.
Shane Kirkman wrote:
Hi Doe's anyone know of a adjustable power supply circuit for a 12v
soldering iron.
Cheers Shane.