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Replace wall light switch with Touch Sensor

Former Member

I am new at electronics -- so forgive possible stupid questions.

I am trying to replace a wall light switch with a touch sensor switch.

I intend to use a capacitive touch sensor with a relay switch.

The touch sensor will be DC voltage; the relay switch will be the AC voltage.

How can I use the AC voltage in the wall switch to power the DC voltage for the touch sensor?

In the alternative, is there an AC voltage touch sensor I should use instead?

Finally, is there a completely different alternative method I should use?

Thank you for your input!

Richard

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  • 0

    I did, just recently, find this already-made AC powered touch switch (at futurlec.com); however, it appears it is no longer produced:

     

    Touch Switch

    Light Touch Switch

    Want to replace all your light switches with a simple and cheap switch, that uses no mechanical parts and is completely safe. Well our new Light Touch Switch, is an ideal replacement. This simple and compact unit, may one day replace the convential light switch as a simple and cheap alternative. It is based on Capacitive Sensing and requires no contact with the sensor, instead the sensor is located behind the blank light switch plate. Hence, it is completely safe as no parts or electrical equipment is exposed. It is perfect for children and the elderly, who can operate it simply. The kit can also be used for many other applications, that require mains switching by proximity.

     

    http://www.futurlec.com/TouchSwitch.shtml

Reply
  • 0

    I did, just recently, find this already-made AC powered touch switch (at futurlec.com); however, it appears it is no longer produced:

     

    Touch Switch

    Light Touch Switch

    Want to replace all your light switches with a simple and cheap switch, that uses no mechanical parts and is completely safe. Well our new Light Touch Switch, is an ideal replacement. This simple and compact unit, may one day replace the convential light switch as a simple and cheap alternative. It is based on Capacitive Sensing and requires no contact with the sensor, instead the sensor is located behind the blank light switch plate. Hence, it is completely safe as no parts or electrical equipment is exposed. It is perfect for children and the elderly, who can operate it simply. The kit can also be used for many other applications, that require mains switching by proximity.

     

    http://www.futurlec.com/TouchSwitch.shtml

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