Dear guys,

        I think it's a basic one, but maybe fits the list

        I designed a circuit with a PIC (12C508) that turns on and off a relay,=
 controlled by an external source. The power to this circuit (around 120mA)=
 is a small transformer. I'd like to build a transformerless PSU into this=
 circuit. But EVERY scheme I found on the internet was unusable. I saw=
 something on the Embeeded Control Handbook from Microchip, but it only=
 goes to (if I'm not mistaken) 45 mA. Maybe someone can help me to develop=
 (or at least learn to) a simple transformerless PSU that can give me 12vcc=
 / 120 mA???

        Thanks for any info! :o)


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Alexandre Souza
taito@terra.com.br
http://planeta.terra.com.br/lazer/pinball/

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