http://www.home-electronics-review.blogspot.com This is a Sony HiFi Combo Remote Control modified for use as a LED torch. The LED is powered by a Joule Thief. The transistor in the remote control is used in the Joule Thief itself.
The soft touch of the remote control makes it nice to use as a visual Morse Code sender as shown here.
Details construction steps can be found this blog http://www.home-electronics-review.blogspot.com
sos?
silntdoogood 3 years ago