Transformerless Power Suppply


Results 1 to 40 of 76

Threaded View

  1. #11
    Join Date
    Oct 2004
    Location
    Porto - Portugal
    Posts
    30


    Did you find this post helpful? Yes | No

    Default without transformer...

    Hi,

    Be carefull, be very carefull, when using a power supply without transformer is like walking in the wire without the net underneath...

    Atached you can see the circuit I use to put some power ... in PICs and other stuff. I found this circuit some years ago when I bought a kit (K6713)from Velleman, its a IR receiver to switch on/off a load connected to mains trough a relay.

    One more advise, if by any chance you are planning to use this circuit in a touch sensor or similar do not forget to use two resistors in series for the sensor, the contour voltage for a regular 1/4W is less than 200V, unless you like to get a curly hair...

    regards
    Attached Images Attached Images
    Last edited by nomada; - 23rd February 2006 at 01:39.
    nomada

Similar Threads

  1. Transformerless Power Supply of 1A at 5Volts!
    By Ioannis in forum Schematics
    Replies: 22
    Last Post: - 10th September 2016, 21:17
  2. Battery powered applications
    By NavMicroSystems in forum Off Topic
    Replies: 7
    Last Post: - 22nd June 2009, 07:12
  3. Transformerless Power supply
    By nikhil in forum mel PIC BASIC Pro
    Replies: 1
    Last Post: - 17th January 2007, 07:07
  4. Replies: 10
    Last Post: - 16th October 2006, 18:23
  5. Transformerless Power Supply
    By volkov in forum General
    Replies: 15
    Last Post: - 2nd July 2006, 23:13

Members who have read this thread : 1

You do not have permission to view the list of names.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts