- Published in issue 7/1992 on page 77
Touch 'on'. auto 'off' controller for battery operated equipment
This handy circuit is intended for battery-operated appliances. lt functions as a touch-operatedsupplyon switch and delayed supply offswitch. The design for applications that require only a few milliamperes. It is identical but for the added FET at the output, which enables up to 300 mA to be switched.