Amazing desk light (electronics)
On 5 Jan 2008 21:23:26 GMT, Dave Hinz wrote:
On Sat, 05 Jan 2008 13:07:07 -0600, Ignoramus8343 wrote:
I purchased a desk light at Home Depot. It has an amazing featu it
is switched by touching its base. It does not have a mechanical
switch. All I have to do to turn it on, is to touch it. Very clever.
cmos doesn't take much current to pull a gate low.
As a youth, back in the '70s, I used to use open base Darlington pairs to do
the job. Worked some of the time :-)
Mark Rand
RTFM
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